Docking_project / pipeline /run_experimental_benchmark.py
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from __future__ import annotations
import argparse
import json
import math
import random
import shutil
import sys
import time
import urllib.parse
from dataclasses import dataclass
from pathlib import Path
from typing import Any, Dict, Iterable, List, Sequence
ROOT_DIR = Path(__file__).resolve().parents[1]
if str(ROOT_DIR) not in sys.path:
sys.path.insert(0, str(ROOT_DIR))
import matplotlib
matplotlib.use("Agg")
import matplotlib.pyplot as plt
import numpy as np
import pandas as pd
import requests
from rdkit import Chem, DataStructs
from rdkit.Chem import AllChem
from rdkit.Chem.Scaffolds import MurckoScaffold
from sklearn import metrics as sk_metrics
from environment.doctor import run_doctor
from libs.adaptive.clustering import cluster_ligands_butina
from libs.adaptive.features import (
FeatureBundle,
FeatureValue,
build_complex_feature_bundle,
build_ligand_feature_bundle,
build_protein_feature_bundle,
build_rdock_feature_bundle,
bundles_to_wide_frames,
compute_feature_diagnostics,
merge_bundles,
)
from libs.adaptive.hyperclustering import hypercluster_representatives
from libs.adaptive.metrics import enrichment_metrics
from libs.adaptive.policies import PrioritizationPolicy
from libs.adaptive.scheduler import AdaptiveScheduler, SchedulerConfig
from libs.adaptive.surrogate_model import SurrogateConfig
from libs.adaptive.weight_schedule import WeightScheduleConfig
from libs.benchmark.runtime import enforce_thread_fairness
from libs.docking.backend_rdock import RDockBackend, RDockConfig
from libs.docking.base import DockingError
from libs.encoders.ligand_encoder import LigandEncoder, LigandEncoderConfig
from libs.encoders.protein_encoder import ProteinEncoder
from libs.utils.config import load_config
from libs.utils.logging_utils import get_logger
@dataclass
class StageTimer:
name: str
start: float
end: float
@property
def seconds(self) -> float:
return float(self.end - self.start)
def _time_stage(name: str, fn):
t0 = time.time()
result = fn()
t1 = time.time()
return result, StageTimer(name=name, start=t0, end=t1)
def _canonicalize_smiles(smiles: str) -> str | None:
mol = Chem.MolFromSmiles(smiles)
if mol is None:
return None
return Chem.MolToSmiles(mol, canonical=True)
def _morgan_bv(smiles: str, nbits: int = 2048):
mol = Chem.MolFromSmiles(smiles)
if mol is None:
return None
return AllChem.GetMorganFingerprintAsBitVect(mol, radius=2, nBits=nbits)
def _tanimoto(smiles_a: str, smiles_b: str) -> float:
fp_a = _morgan_bv(smiles_a)
fp_b = _morgan_bv(smiles_b)
if fp_a is None or fp_b is None:
return 0.0
return float(DataStructs.TanimotoSimilarity(fp_a, fp_b))
def _scaffold_smiles(smiles: str) -> str | None:
mol = Chem.MolFromSmiles(smiles)
if mol is None:
return None
try:
return MurckoScaffold.MurckoScaffoldSmiles(mol=mol)
except Exception:
return None
def _chemcomp_info(comp_id: str) -> Dict[str, Any]:
r = requests.get(f"https://data.rcsb.org/rest/v1/core/chemcomp/{comp_id}", timeout=30)
r.raise_for_status()
d = r.json()
desc = d.get("rcsb_chem_comp_descriptor", {})
smiles = desc.get("SMILES_stereo") or desc.get("SMILES")
return {
"comp_id": comp_id,
"name": d.get("chem_comp", {}).get("name"),
"formula_weight": d.get("chem_comp", {}).get("formula_weight"),
"smiles": smiles,
"inchi_key": desc.get("InChIKey"),
}
def _entry_resolution_and_title(pdb_id: str) -> Dict[str, Any]:
r = requests.get(f"https://data.rcsb.org/rest/v1/core/entry/{pdb_id}", timeout=30)
r.raise_for_status()
d = r.json()
return {
"resolution": (d.get("rcsb_entry_info", {}).get("resolution_combined") or [None])[0],
"title": d.get("struct", {}).get("title", ""),
}
def _download_pdb(pdb_id: str, out_path: Path) -> Path:
out_path.parent.mkdir(parents=True, exist_ok=True)
url = f"https://files.rcsb.org/download/{pdb_id}.pdb"
r = requests.get(url, timeout=60)
r.raise_for_status()
out_path.write_text(r.text, encoding="utf-8")
return out_path
def _pubchem_similarity_cids(smiles: str, threshold: int, max_records: int) -> list[int]:
enc = urllib.parse.quote(smiles, safe="")
url = (
"https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/fastsimilarity_2d/smiles/"
f"{enc}/cids/JSON?Threshold={int(threshold)}&MaxRecords={int(max_records)}"
)
r = requests.get(url, timeout=120)
if r.status_code != 200:
return []
d = r.json()
return [int(x) for x in d.get("IdentifierList", {}).get("CID", [])]
def _pubchem_properties_for_cids(cids: Sequence[int]) -> pd.DataFrame:
if not cids:
return pd.DataFrame(columns=["cid", "smiles", "molecular_formula", "molecular_weight"])
rows: list[dict[str, Any]] = []
chunk_size = 100
for i in range(0, len(cids), chunk_size):
chunk = cids[i : i + chunk_size]
joined = ",".join(str(x) for x in chunk)
url = (
"https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/"
f"{joined}/property/SMILES,ConnectivitySMILES,MolecularFormula,MolecularWeight/JSON"
)
r = requests.get(url, timeout=120)
if r.status_code != 200:
continue
props = r.json().get("PropertyTable", {}).get("Properties", [])
for p in props:
rows.append(
{
"cid": int(p.get("CID")),
"smiles": str(p.get("SMILES") or p.get("ConnectivitySMILES") or ""),
"molecular_formula": p.get("MolecularFormula"),
"molecular_weight": p.get("MolecularWeight"),
}
)
return pd.DataFrame(rows)
def _fetch_chembl_target_activities(target_chembl_id: str = "CHEMBL5023", max_rows: int = 20000) -> pd.DataFrame:
rows: list[dict[str, Any]] = []
limit = 1000
offset = 0
while len(rows) < max_rows:
url = (
"https://www.ebi.ac.uk/chembl/api/data/activity.json"
f"?target_chembl_id={target_chembl_id}&limit={limit}&offset={offset}"
)
r = requests.get(url, timeout=120)
if r.status_code != 200:
break
d = r.json()
acts = d.get("activities", [])
if not acts:
break
for a in acts:
smi = a.get("canonical_smiles")
if not smi:
continue
csm = _canonicalize_smiles(str(smi))
if csm is None:
continue
std_type = str(a.get("standard_type") or "")
std_units = str(a.get("standard_units") or "")
std_value = a.get("standard_value")
try:
std_value = float(std_value)
except Exception:
std_value = np.nan
pchembl = a.get("pchembl_value")
try:
pchembl = float(pchembl)
except Exception:
pchembl = np.nan
rows.append(
{
"canonical_smiles": csm,
"molecule_chembl_id": a.get("molecule_chembl_id"),
"assay_chembl_id": a.get("assay_chembl_id"),
"standard_type": std_type,
"standard_relation": a.get("standard_relation"),
"standard_units": std_units,
"standard_value": std_value,
"pchembl_value": pchembl,
}
)
offset += limit
if d.get("page_meta", {}).get("next") is None:
break
if not rows:
return pd.DataFrame(
columns=[
"canonical_smiles",
"molecule_chembl_id",
"assay_chembl_id",
"standard_type",
"standard_relation",
"standard_units",
"standard_value",
"pchembl_value",
]
)
out = pd.DataFrame(rows)
out = out[out["standard_type"].isin(["IC50", "Ki", "Kd", "EC50"])]
out = out[np.isfinite(pd.to_numeric(out["standard_value"], errors="coerce"))]
return out.reset_index(drop=True)
def _ranked_similarity_table(reference_smiles: str, props_df: pd.DataFrame, min_similarity: float) -> pd.DataFrame:
ref_c = _canonicalize_smiles(reference_smiles)
if ref_c is None or props_df.empty:
return pd.DataFrame()
ref_fp = _morgan_bv(ref_c)
if ref_fp is None:
return pd.DataFrame()
records = []
for row in props_df.itertuples(index=False):
smi = _canonicalize_smiles(str(row.smiles))
if smi is None:
continue
fp = _morgan_bv(smi)
if fp is None:
continue
sim = float(DataStructs.TanimotoSimilarity(ref_fp, fp))
if sim < min_similarity:
continue
records.append(
{
"cid": int(row.cid),
"smiles": smi,
"similarity_to_reference": sim,
"molecular_formula": row.molecular_formula,
"molecular_weight": row.molecular_weight,
"scaffold_smiles": _scaffold_smiles(smi),
}
)
if not records:
return pd.DataFrame()
return pd.DataFrame(records).sort_values("similarity_to_reference", ascending=False).reset_index(drop=True)
def _build_dataset(config: Dict[str, Any], root: Path, logger) -> Dict[str, Any]:
dataset_cfg = config["benchmark_dataset"]
refs_cfg = config["references"]["complexes"]
out_dir = root / dataset_cfg["output_dir"]
out_dir.mkdir(parents=True, exist_ok=True)
target_dir = root / "data" / "targets" / "experimental_benchmark"
target_dir.mkdir(parents=True, exist_ok=True)
reuse_existing = bool(dataset_cfg.get("reuse_existing", True))
reference_path = out_dir / "reference_ligands.csv"
expanded_path = out_dir / "expanded_ligand_set.csv"
dedup_path = out_dir / "expanded_ligand_set_dedup.csv"
scaffold_path = out_dir / "scaffold_annotations.csv"
provenance_path = out_dir / "ligand_provenance.csv"
affinity_path = root / "data" / "benchmarks" / "experimental_affinity.csv"
affinity_norm_path = root / "data" / "benchmarks" / "experimental_affinity_normalized.csv"
metadata_path = root / "data" / "benchmarks" / "experimental_metadata.csv"
docking_target_path = root / config["target"]["docking_target_path"]
docking_ref = str(config["target"]["docking_reference_pdb"])
if reuse_existing:
needed = [
reference_path,
expanded_path,
dedup_path,
scaffold_path,
provenance_path,
affinity_path,
affinity_norm_path,
metadata_path,
]
if all(p.exists() for p in needed):
if not docking_target_path.exists():
_download_pdb(docking_ref, docking_target_path)
logger.info("Reusing existing benchmark dataset from %s", out_dir)
return {
"reference_df": pd.read_csv(reference_path),
"expanded_df": pd.read_csv(expanded_path),
"dedup_df": pd.read_csv(dedup_path),
"scaffold_df": pd.read_csv(scaffold_path),
"provenance_df": pd.read_csv(provenance_path),
"affinity_df": pd.read_csv(affinity_path),
"affinity_norm_df": pd.read_csv(affinity_norm_path),
"metadata_df": pd.read_csv(metadata_path),
"out_dir": out_dir,
"target_path": docking_target_path,
}
# 1) Reference selection metadata.
reference_rows = []
for ref in refs_cfg:
pdb_id = str(ref["pdb_id"])
comp_id = str(ref["ligand_comp_id"])
ref_id = str(ref["reference_id"])
entry = _entry_resolution_and_title(pdb_id)
chem = _chemcomp_info(comp_id)
csm = _canonicalize_smiles(str(chem["smiles"]))
if csm is None:
raise RuntimeError(f"Invalid reference SMILES from RCSB for {pdb_id}:{comp_id}")
reference_rows.append(
{
"reference_id": ref_id,
"pdb_id": pdb_id,
"ligand_comp_id": comp_id,
"ligand_name": chem["name"],
"reference_smiles": csm,
"reference_inchikey": chem["inchi_key"],
"reference_mw": chem["formula_weight"],
"resolution": entry["resolution"],
"structure_title": entry["title"],
}
)
reference_df = pd.DataFrame(reference_rows)
reference_df.to_csv(reference_path, index=False)
# 2) Download docking target structure.
_download_pdb(docking_ref, docking_target_path)
# 3) Expand ligand set by reference similarity retrieval.
per_ref_target = int(dataset_cfg["per_reference_target"])
max_records = int(dataset_cfg["pubchem_max_records"])
base_threshold = int(dataset_cfg["pubchem_similarity_threshold"])
min_similarity = float(dataset_cfg["min_similarity_keep"])
expanded_rows: list[dict[str, Any]] = []
provenance_rows: list[dict[str, Any]] = []
for ref in reference_df.itertuples(index=False):
ref_id = str(ref.reference_id)
ref_smiles = str(ref.reference_smiles)
ref_scaffold = _scaffold_smiles(ref_smiles)
threshold_ladder = [base_threshold, base_threshold - 5, base_threshold - 10, base_threshold - 15, base_threshold - 20]
threshold_ladder = [max(50, int(x)) for x in threshold_ladder]
collected: dict[str, dict[str, Any]] = {}
for thr in threshold_ladder:
if len(collected) >= per_ref_target:
break
cids = _pubchem_similarity_cids(ref_smiles, threshold=thr, max_records=max_records)
if not cids:
continue
props_df = _pubchem_properties_for_cids(cids)
sim_df = _ranked_similarity_table(ref_smiles, props_df, min_similarity=min_similarity)
if sim_df.empty:
continue
for row in sim_df.itertuples(index=False):
smi = str(row.smiles)
if smi in collected:
continue
lig_id = f"{ref_id}_cid{int(row.cid)}"
scaffold_match = 1 if _scaffold_smiles(smi) == ref_scaffold else 0
collected[smi] = {
"ligand_id": lig_id,
"source": "retrieved",
"parent_reference_ligand": ref_id,
"smiles": smi,
"valid": True,
"similarity_to_reference": float(row.similarity_to_reference),
"scaffold_core": row.scaffold_smiles,
"scaffold_match": int(scaffold_match),
"pubchem_cid": int(row.cid),
"retrieval_threshold": thr,
"is_reference": False,
}
if len(collected) >= per_ref_target:
break
# Ensure original reference is included and traceable.
if ref_smiles not in collected:
collected[ref_smiles] = {
"ligand_id": ref_id,
"source": "reference",
"parent_reference_ligand": ref_id,
"smiles": ref_smiles,
"valid": True,
"similarity_to_reference": 1.0,
"scaffold_core": ref_scaffold,
"scaffold_match": 1,
"pubchem_cid": np.nan,
"retrieval_threshold": np.nan,
"is_reference": True,
}
else:
collected[ref_smiles]["is_reference"] = True
collected[ref_smiles]["source"] = "reference"
collected[ref_smiles]["ligand_id"] = ref_id
collected[ref_smiles]["similarity_to_reference"] = 1.0
# If still short, keep what we got; documented later.
rows = list(collected.values())
for idx, row in enumerate(rows):
if row["source"] != "reference":
row["ligand_id"] = f"{ref_id}_{idx:05d}"
expanded_rows.append(row)
provenance_rows.append(
{
"ligand_id": row["ligand_id"],
"parent_reference_ligand": row["parent_reference_ligand"],
"source": row["source"],
"pubchem_cid": row["pubchem_cid"],
"retrieval_threshold": row["retrieval_threshold"],
"valid": row["valid"],
}
)
logger.info("Reference %s collected %s ligands", ref_id, len(rows))
expanded_df = pd.DataFrame(expanded_rows)
expanded_df = expanded_df.sort_values(["parent_reference_ligand", "similarity_to_reference"], ascending=[True, False]).reset_index(drop=True)
expanded_df.to_csv(expanded_path, index=False)
# 4) Global deduplication by canonical SMILES.
dedup_df = (
expanded_df.sort_values(["similarity_to_reference", "source"], ascending=[False, True])
.drop_duplicates(subset=["smiles"], keep="first")
.reset_index(drop=True)
)
# Ensure all 3 references are present in dedup set.
for ref in reference_df.itertuples(index=False):
ref_smiles = str(ref.reference_smiles)
ref_id = str(ref.reference_id)
if (dedup_df["smiles"] == ref_smiles).any():
mask = dedup_df["smiles"] == ref_smiles
dedup_df.loc[mask, "ligand_id"] = ref_id
dedup_df.loc[mask, "source"] = "reference"
dedup_df.loc[mask, "is_reference"] = True
dedup_df.to_csv(dedup_path, index=False)
scaffold_annotations = dedup_df[
["ligand_id", "parent_reference_ligand", "scaffold_core", "scaffold_match", "similarity_to_reference"]
].copy()
scaffold_annotations.to_csv(scaffold_path, index=False)
ligand_provenance_df = pd.DataFrame(provenance_rows)
ligand_provenance_df.to_csv(provenance_path, index=False)
# 5) Affinity retrieval from ChEMBL where available.
chembl_df = _fetch_chembl_target_activities(target_chembl_id="CHEMBL5023", max_rows=25000)
affinity_rows = []
if not chembl_df.empty:
grouped = (
chembl_df.groupby(["canonical_smiles", "standard_type", "standard_units"], as_index=False)
.agg(
standard_value_median=("standard_value", "median"),
pchembl_value_median=("pchembl_value", "median"),
measurements=("standard_value", "count"),
)
.reset_index(drop=True)
)
lookup = grouped.sort_values("measurements", ascending=False).drop_duplicates(subset=["canonical_smiles"], keep="first")
lookup = lookup.set_index("canonical_smiles")
for row in dedup_df.itertuples(index=False):
smi = str(row.smiles)
if smi not in lookup.index:
continue
v = lookup.loc[smi]
affinity_rows.append(
{
"ligand_id": row.ligand_id,
"smiles": smi,
"parent_reference_ligand": row.parent_reference_ligand,
"standard_type": v["standard_type"],
"standard_units": v["standard_units"],
"standard_value_median": float(v["standard_value_median"]),
"pchembl_value_median": float(v["pchembl_value_median"]) if np.isfinite(v["pchembl_value_median"]) else np.nan,
"measurements": int(v["measurements"]),
"source": "chembl",
}
)
affinity_df = pd.DataFrame(affinity_rows)
affinity_path.parent.mkdir(parents=True, exist_ok=True)
affinity_df.to_csv(affinity_path, index=False)
if affinity_df.empty:
affinity_norm_df = pd.DataFrame(
columns=[
"ligand_id",
"smiles",
"parent_reference_ligand",
"standard_type",
"standard_value_median",
"pchembl_value_median",
"pchembl_zscore",
"pchembl_minmax",
]
)
else:
vals = pd.to_numeric(affinity_df["pchembl_value_median"], errors="coerce")
mean = float(vals.mean()) if np.isfinite(vals).any() else 0.0
std = float(vals.std()) if np.isfinite(vals).any() else 1.0
vmin = float(vals.min()) if np.isfinite(vals).any() else 0.0
vmax = float(vals.max()) if np.isfinite(vals).any() else 1.0
affinity_norm_df = affinity_df.copy()
affinity_norm_df["pchembl_zscore"] = (vals - mean) / (std if std > 1e-9 else 1.0)
affinity_norm_df["pchembl_minmax"] = (vals - vmin) / (max(1e-9, vmax - vmin))
affinity_norm_df.to_csv(affinity_norm_path, index=False)
metadata_rows = []
for ref in reference_df.itertuples(index=False):
count_ref = int((expanded_df["parent_reference_ligand"] == ref.reference_id).sum())
metadata_rows.append(
{
"target_name": config["target"]["protein_name"],
"target_id": config["target"]["target_id"],
"reference_id": ref.reference_id,
"pdb_id": ref.pdb_id,
"ligand_comp_id": ref.ligand_comp_id,
"reference_smiles": ref.reference_smiles,
"reference_resolution": ref.resolution,
"reference_title": ref.structure_title,
"ligand_count_before_dedup": count_ref,
"dataset_build_date": pd.Timestamp.utcnow().isoformat(),
}
)
metadata_df = pd.DataFrame(metadata_rows)
metadata_df.to_csv(metadata_path, index=False)
return {
"reference_df": reference_df,
"expanded_df": expanded_df,
"dedup_df": dedup_df,
"scaffold_df": scaffold_annotations,
"provenance_df": ligand_provenance_df,
"affinity_df": affinity_df,
"affinity_norm_df": affinity_norm_df,
"metadata_df": metadata_df,
"out_dir": out_dir,
"target_path": docking_target_path,
}
def _write_target_selection_markdown(config: Dict[str, Any], dataset_info: Dict[str, Any], output_dir: Path) -> Path:
refs = dataset_info["reference_df"]
lines = [
"# Target Selection",
"",
f"Chosen target: `{config['target']['protein_name']}` (`{config['target']['target_id']}`)",
"",
"Selected experimental complexes:",
]
for row in refs.itertuples(index=False):
lines.extend(
[
f"- `{row.pdb_id}` ligand `{row.ligand_comp_id}` ({row.reference_id})",
f" - Resolution: `{row.resolution}`",
f" - Ligand name: `{row.ligand_name}`",
f" - SMILES: `{row.reference_smiles}`",
]
)
lines.extend(
[
"",
"Why selected:",
"- All three complexes correspond to the same target protein (MDM2).",
"- High-resolution crystal structures with resolved bound small-molecule ligands.",
"- The three ligands represent related but non-identical chemotypes suitable for analog recovery benchmarking.",
"- MDM2 has substantial public medicinal chemistry data enabling large similarity-based expansion.",
]
)
path = output_dir / "target_selection.md"
path.write_text("\n".join(lines), encoding="utf-8")
return path
def _cluster_bundle(ligand_id: str, cluster_id: int, hypercluster_id: int) -> FeatureBundle:
return FeatureBundle(
object_id=ligand_id,
features={
"cluster_id_feature": FeatureValue(float(cluster_id), True, "clustering", "exact"),
"hypercluster_id_feature": FeatureValue(float(hypercluster_id), True, "clustering", "exact"),
},
)
def _build_initial_feature_bundles(
ligands_df: pd.DataFrame,
ligand_encodings,
protein_encoding,
cluster_map: Dict[str, int],
hyper_map: Dict[int, int],
) -> tuple[FeatureBundle, Dict[str, FeatureBundle], List[str]]:
# Use first reference ligand as comparison anchor for similarity features.
reference_smiles = str(ligands_df.loc[ligands_df["is_reference"].astype(bool), "smiles"].iloc[0])
reference_mol = Chem.MolFromSmiles(reference_smiles)
protein_bundle = build_protein_feature_bundle(
target_id=str(protein_encoding.target_id),
sequence_features=protein_encoding.sequence_features,
structure_features=protein_encoding.structure_features,
)
bundles: Dict[str, FeatureBundle] = {}
ligand_ids = []
for enc in ligand_encodings:
ligand_ids.append(enc.ligand_id)
intrinsic = build_ligand_feature_bundle(
ligand_id=enc.ligand_id,
smiles=enc.smiles,
fingerprint=enc.fingerprint,
reference_mol=reference_mol,
)
cluster_bundle = _cluster_bundle(enc.ligand_id, int(cluster_map[enc.ligand_id]), int(hyper_map.get(cluster_map[enc.ligand_id], -1)))
bundles[enc.ligand_id] = merge_bundles(enc.ligand_id, [intrinsic, protein_bundle, cluster_bundle])
_, _, feature_names = bundles_to_wide_frames([bundles[lid] for lid in ligand_ids])
return protein_bundle, bundles, feature_names
def _strict_backend_check(parsed_rows: Sequence[Dict[str, Any]]) -> None:
bad = [
r
for r in parsed_rows
if r.get("backend_mode") != "real-rdock"
or bool(r.get("fallback_used"))
or not str(r.get("score_source", "")).startswith("rdock_tag:")
]
if bad:
raise DockingError(f"Strict backend violation detected: {bad[:2]}")
def _prepare_backend(config: Dict[str, Any], command_log_path: Path) -> RDockBackend:
alloc = enforce_thread_fairness(config)
logger = get_logger("backend_setup")
logger.info(
"Thread fairness enforced: policy=%s system_threads=%s reserve=%s threads_used=%s",
alloc.policy,
alloc.system_threads,
alloc.reserve_threads,
alloc.threads_used,
)
return RDockBackend(
RDockConfig(
n_runs=int(config["backend"].get("n_runs", 1)),
mapper_radius=float(config["backend"].get("mapper_radius", 6.0)),
command_timeout_seconds=int(config["backend"].get("command_timeout_seconds", 180)),
parallel_jobs=int(config["backend"].get("parallel_jobs", 1)),
allow_partial_failures=bool(config["backend"].get("allow_skip_failed_ligands", False)),
protocol_prm=config["backend"].get("protocol_prm"),
rbt_root=config["backend"].get("rbt_root"),
command_log_path=str(command_log_path),
pocket_mode=str(config["backend"].get("pocket_mode", "reference_complex_pocket")),
pocket_center=config["backend"].get("pocket_center"),
pocket_box_size=config["backend"].get("pocket_box_size"),
pocket_radius=config["backend"].get("pocket_radius"),
pocket_reference_ligand_id=config["backend"].get("pocket_reference_ligand_id"),
pocket_relaxation_margin=float(config["backend"].get("pocket_relaxation_margin", 0.0)),
)
)
def _compute_final_score(
docking_score: float,
interface_contact_proxy: float,
interaction_decomp: float | None,
burial_ratio: float | None,
rdock_row: Dict[str, Any],
feature_mode: str,
score_variant: str,
) -> tuple[float, float]:
"""
Return (feature_rescore, final_score).
`docking_only`:
- `top1`: final_score = docking_score
- `multipose`: uses rDock-native multi-pose stats only
`full_feature`:
- keeps existing rich feature rescoring and interface term.
"""
mode = str(feature_mode).strip().lower()
variant = str(score_variant).strip().lower()
if mode == "docking_only":
if variant == "top1":
return 0.0, float(docking_score)
mean_top3 = float(rdock_row.get("mean_top3_pose_score", docking_score) or docking_score)
std_top5 = float(rdock_row.get("std_top5_pose_score", 0.0) or 0.0)
gap12 = float(rdock_row.get("pose_score_gap_1_2", 0.0) or 0.0)
native_term = 0.25 * (mean_top3 - docking_score) + 0.10 * std_top5 + 0.05 * max(0.0, gap12)
return float(native_term), float(docking_score + native_term)
interaction_term = float(interaction_decomp or 0.0)
burial_term = float(burial_ratio or 0.0)
feature_rescore = 0.15 * interaction_term - 0.1 * burial_term
final_score = docking_score - interface_contact_proxy + feature_rescore
return float(feature_rescore), float(final_score)
def _filter_mode_feature_tables(
values_df: pd.DataFrame,
masks_df: pd.DataFrame,
feature_mode: str,
) -> tuple[pd.DataFrame, pd.DataFrame]:
mode = str(feature_mode).strip().lower()
if mode != "docking_only":
return values_df, masks_df
keep_cols = ["ligand_id"]
allowed_exact = {
"cluster_id_feature",
"hypercluster_id_feature",
"rdock_total_score",
"rdock_pose_rank",
"n_generated_poses",
"best_pose_score",
"mean_top3_pose_score",
"mean_top5_pose_score",
"std_top5_pose_score",
"pose_score_gap_1_2",
"rdock_restraint_term",
"rdock_internal_ligand_term",
"rdock_polar_term",
"rdock_vdw_term",
}
keep_cols.extend([c for c in values_df.columns if c in allowed_exact])
keep_cols = [c for c in keep_cols if c in values_df.columns]
out_values = values_df[keep_cols].copy()
mask_cols = ["ligand_id"] + [f"mask_{c}" for c in keep_cols if c != "ligand_id" and f"mask_{c}" in masks_df.columns]
out_masks = masks_df[mask_cols].copy()
return out_values, out_masks
def _run_adaptive_strategy(
config: Dict[str, Any],
root: Path,
output_dir: Path,
ligands_df: pd.DataFrame,
ligand_encodings,
cluster_map: Dict[str, int],
hyper_map: Dict[int, int],
protein_encoding,
target_path: Path,
stage_timers: List[StageTimer],
feature_mode: str = "full_feature",
score_variant: str = "full_feature",
strategy_name: str = "adaptive",
strategy_subdir: str = "adaptive",
) -> Dict[str, Any]:
logger = get_logger("benchmark_adaptive")
run_cfg = config["run"]
scheduler_cfg = config["scheduler"]
budget = int(run_cfg["adaptive_budget"])
batch_size = int(run_cfg["batch_size"])
max_batches = int(run_cfg["max_batches"])
require_real_backend = bool(config["backend"].get("require_real_backend", True))
adaptive_root = output_dir / strategy_subdir
work_dir = adaptive_root / "work"
raw_root = adaptive_root / "raw_rdock_outputs"
cmd_log = adaptive_root / "rdock_commands.log"
work_dir.mkdir(parents=True, exist_ok=True)
raw_root.mkdir(parents=True, exist_ok=True)
weight_cfg = WeightScheduleConfig(
sample_knots=tuple(scheduler_cfg["model_weight_schedule"].get("sample_knots", [20, 50, 100, 200])),
weight_knots=tuple(scheduler_cfg["model_weight_schedule"].get("weight_knots", [0.1, 0.3, 0.5, 0.8])),
max_weight=float(scheduler_cfg["model_weight_schedule"].get("max_weight", 0.9)),
min_weight=float(scheduler_cfg["model_weight_schedule"].get("min_weight", 0.05)),
instability_threshold=float(scheduler_cfg["model_weight_schedule"].get("instability_threshold", 2.0)),
instability_decay=float(scheduler_cfg["model_weight_schedule"].get("instability_decay", 0.25)),
)
surrogate_cfg = SurrogateConfig(
prefer_xgboost=bool(scheduler_cfg["surrogate"].get("prefer_xgboost", True)),
random_state=int(run_cfg["random_seed"]),
n_estimators=int(scheduler_cfg["surrogate"].get("n_estimators", 200)),
min_train_samples=int(scheduler_cfg["surrogate"].get("min_train_samples", 12)),
max_depth_small=int(scheduler_cfg["surrogate"].get("max_depth_small", 3)),
max_depth_large=int(scheduler_cfg["surrogate"].get("max_depth_large", 6)),
)
scheduler = AdaptiveScheduler(
config=SchedulerConfig(
batch_size=batch_size,
init_coverage_fraction=float(scheduler_cfg.get("init_coverage_fraction", 0.35)),
conservative_deprioritize=bool(scheduler_cfg.get("conservative_deprioritize", True)),
state_path=str(adaptive_root / "scheduler_state.json"),
weight_schedule=weight_cfg,
),
policy=PrioritizationPolicy(),
surrogate_config=surrogate_cfg,
)
backend = _prepare_backend(config, cmd_log)
cap = backend.check_capability()
if require_real_backend and not cap.available:
raise DockingError(f"Strict benchmark requires real backend. Capability failure: {cap.details}")
scheduler.initialize(ligands_df[["ligand_id"]], cluster_map, hyper_map)
target_context = backend.prepare_target(target_path, work_dir / "target")
protein_bundle, bundles, ordered_names = _build_initial_feature_bundles(
ligands_df=ligands_df,
ligand_encodings=ligand_encodings,
protein_encoding=protein_encoding,
cluster_map=cluster_map,
hyper_map=hyper_map,
)
ligand_ids = ligands_df["ligand_id"].astype(str).tolist()
evaluated_records: list[dict[str, Any]] = []
selected_records: list[dict[str, Any]] = []
pose_feature_records: list[dict[str, Any]] = []
model_weight_records: list[dict[str, Any]] = []
total_evaluated = 0
step_counter = 0
loop_start = time.time()
for round_idx in range(max_batches):
if total_evaluated >= budget:
break
batch_ids = scheduler.select_batch()
if not batch_ids:
# If active queue is empty before budget is exhausted, reactivate deprioritized items.
reactivated = 0
for item in scheduler.queue_manager.items.values():
if item.status in {"deprioritized", "frozen"}:
item.status = "active"
reactivated += 1
if reactivated > 0:
logger.info(
"Reactivated %s deprioritized/frozen ligands at round %s to continue budget consumption",
reactivated,
round_idx,
)
batch_ids = scheduler.select_batch()
if not batch_ids:
logger.info("No selectable ligands left at round %s", round_idx)
break
remain = budget - total_evaluated
batch_ids = batch_ids[:remain]
full_values_df, full_masks_df, _ = bundles_to_wide_frames(
[bundles[lid] for lid in ligand_ids],
ordered_feature_names=ordered_names,
)
model_values_df, model_masks_df = _filter_mode_feature_tables(full_values_df, full_masks_df, feature_mode=feature_mode)
id_to_idx = {lid: i for i, lid in enumerate(model_values_df["ligand_id"].astype(str).tolist())}
# pre-docking surrogate predictions for diagnostics
pred_map: Dict[str, tuple[float, float]] = {}
if scheduler.surrogate.model is not None:
x = model_values_df.drop(columns=["ligand_id"]).to_numpy(dtype=float)
m = model_masks_df.drop(columns=["ligand_id"]).to_numpy(dtype=float)
x_batch = np.vstack([x[id_to_idx[lid]] for lid in batch_ids])
m_batch = np.vstack([m[id_to_idx[lid]] for lid in batch_ids])
pred = scheduler.surrogate.predict_bundle(x_batch, m_batch)
for i, lid in enumerate(batch_ids):
pred_map[lid] = (float(pred["expected_score"][i]), float(pred["uncertainty"][i]))
round_dir = work_dir / f"batch_{round_idx:03d}"
round_dir.mkdir(parents=True, exist_ok=True)
ligand_files = []
for lid in batch_ids:
smi = str(ligands_df.loc[ligands_df["ligand_id"] == lid, "smiles"].iloc[0])
lig_file = backend.prepare_ligand(lid, smi, round_dir / "ligands")
ligand_files.append(lig_file)
selected_records.append({"strategy": strategy_name, "round": round_idx, "step": step_counter, "ligand_id": lid})
docked = backend.dock(
target_context,
ligand_files,
round_dir / "docking",
allow_mock=False,
require_real_backend=True,
)
parsed = backend.parse_results(docked)
_strict_backend_check(parsed)
raw_batch_dir = raw_root / f"batch_{round_idx:03d}"
raw_batch_dir.mkdir(parents=True, exist_ok=True)
for item in sorted((round_dir / "docking").glob("*")):
if item.is_file():
shutil.copy2(item, raw_batch_dir / item.name)
interface = backend.extract_interface_features(parsed)
batch_rows = []
for row, ifeat in zip(parsed, interface):
lid = str(row["ligand_id"])
docking_score = float(row["docking_score"])
rdock_bundle = build_rdock_feature_bundle(ligand_id=lid, parsed_row=row)
complex_bundle = build_complex_feature_bundle(
ligand_id=lid,
docking_score=docking_score,
interface_features=ifeat,
ligand_bundle=bundles[lid],
protein_bundle=protein_bundle,
)
bundles[lid] = merge_bundles(lid, [bundles[lid], rdock_bundle, complex_bundle])
interaction_decomp = complex_bundle.features["energy_interaction_decomposition"].value
burial_ratio = complex_bundle.features["complex_ligand_burial_ratio"].value
feature_rescore, final_score = _compute_final_score(
docking_score=docking_score,
interface_contact_proxy=float(ifeat["interface_contact_proxy"]),
interaction_decomp=interaction_decomp,
burial_ratio=burial_ratio,
rdock_row=row,
feature_mode=feature_mode,
score_variant=score_variant,
)
pred_score, pred_unc = pred_map.get(lid, (np.nan, np.nan))
abs_err = abs(pred_score - docking_score) if np.isfinite(pred_score) else np.nan
batch_rows.append(
{
"strategy": strategy_name,
"round": round_idx,
"step": step_counter,
"ligand_id": lid,
"smiles": str(ligands_df.loc[ligands_df["ligand_id"] == lid, "smiles"].iloc[0]),
"parent_reference_ligand": str(
ligands_df.loc[ligands_df["ligand_id"] == lid, "parent_reference_ligand"].iloc[0]
),
"is_reference": bool(ligands_df.loc[ligands_df["ligand_id"] == lid, "is_reference"].iloc[0]),
"similarity_to_parent_reference": float(
ligands_df.loc[ligands_df["ligand_id"] == lid, "similarity_to_reference"].iloc[0]
),
"backend_name": str(row["backend_name"]),
"backend_mode": str(row["backend_mode"]),
"score_source": str(row["score_source"]),
"raw_output_file": str(row["raw_output_file"]),
"parsed_from": str(row["parsed_from"]),
"fallback_used": bool(row["fallback_used"]),
"success": bool(row["success"]),
"command": str(row.get("command", "")),
"quantity_type": str(row.get("quantity_type", "docking_score")),
"cluster_id": int(cluster_map[lid]),
"hypercluster_id": int(hyper_map.get(cluster_map[lid], -1)),
"docking_score": docking_score,
"feature_rescore": float(feature_rescore),
"final_score": float(final_score),
"predicted_score_prebatch": pred_score,
"predicted_uncertainty_prebatch": pred_unc,
"prediction_abs_error": abs_err,
"rdock_total_score": row.get("rdock_total_score", np.nan),
"rdock_pose_rank": row.get("rdock_pose_rank", np.nan),
"n_generated_poses": row.get("n_generated_poses", np.nan),
"best_pose_score": row.get("best_pose_score", np.nan),
"mean_top3_pose_score": row.get("mean_top3_pose_score", np.nan),
"mean_top5_pose_score": row.get("mean_top5_pose_score", np.nan),
"std_top5_pose_score": row.get("std_top5_pose_score", np.nan),
"pose_score_gap_1_2": row.get("pose_score_gap_1_2", np.nan),
"rdock_restraint_term": row.get("rdock_restraint_term", np.nan),
"rdock_internal_ligand_term": row.get("rdock_internal_ligand_term", np.nan),
"rdock_polar_term": row.get("rdock_polar_term", np.nan),
"rdock_vdw_term": row.get("rdock_vdw_term", np.nan),
"top_pose_rmsd_consistency": row.get("top_pose_rmsd_consistency", np.nan),
"contact_overlap_consistency": row.get("contact_overlap_consistency", np.nan),
"hotspot_contact_frequency": row.get("hotspot_contact_frequency", np.nan),
"subpocket_match_score": row.get("subpocket_match_score", np.nan),
"replicate_mean_score": row.get("replicate_mean_score", np.nan),
"replicate_score_variance": row.get("replicate_score_variance", np.nan),
"replicate_consensus_score": row.get("replicate_consensus_score", np.nan),
"rdock_feature_provenance": row.get("rdock_feature_provenance", "[]"),
**ifeat,
}
)
for rec in complex_bundle.to_records(channel="complex", round_idx=round_idx):
rec["strategy"] = strategy_name
rec["step"] = step_counter
pose_feature_records.append(rec)
for rec in rdock_bundle.to_records(channel="rdock", round_idx=round_idx):
rec["strategy"] = strategy_name
rec["step"] = step_counter
pose_feature_records.append(rec)
step_counter += 1
total_evaluated += len(batch_rows)
evaluated_records.extend(batch_rows)
batch_df = pd.DataFrame(batch_rows)
values_df, masks_df, ordered_names = bundles_to_wide_frames(
[bundles[lid] for lid in ligand_ids],
ordered_feature_names=None,
)
model_values_df, model_masks_df = _filter_mode_feature_tables(values_df, masks_df, feature_mode=feature_mode)
fit_stats = scheduler.update_from_batch(batch_df[["ligand_id", "docking_score"]], model_values_df, model_masks_df)
scheduler.save_state(adaptive_root / f"scheduler_state_batch_{round_idx:03d}.json")
model_weight_records.append(
{
"strategy": strategy_name,
"round": round_idx,
"model_weight": float(scheduler.last_model_weight),
"n_train": float(fit_stats.get("n_train", 0.0)),
"train_mae": float(fit_stats.get("train_mae", np.nan)),
"val_mae": float(fit_stats.get("val_mae", np.nan)),
"instability_ratio": float(fit_stats.get("instability_ratio", np.nan)),
"surrogate_backend": scheduler.surrogate.backend,
}
)
loop_end = time.time()
stage_timers.append(StageTimer(name="adaptive_loop", start=loop_start, end=loop_end))
values_df, masks_df, ordered_names = bundles_to_wide_frames(
[bundles[lid] for lid in ligand_ids],
ordered_feature_names=ordered_names,
)
return {
"evaluated_df": pd.DataFrame(evaluated_records),
"selected_df": pd.DataFrame(selected_records),
"pose_features_df": pd.DataFrame(pose_feature_records),
"feature_values_df": values_df,
"feature_masks_df": masks_df,
"ordered_feature_names": ordered_names,
"model_weight_df": pd.DataFrame(model_weight_records),
"scheduler": scheduler,
"backend_capability": cap,
"command_log": cmd_log,
"raw_root": raw_root,
"strategy_root": adaptive_root,
}
def _run_random_baseline(
config: Dict[str, Any],
output_dir: Path,
ligands_df: pd.DataFrame,
cluster_map: Dict[str, int],
hyper_map: Dict[int, int],
target_path: Path,
seed: int,
feature_mode: str = "full_feature",
score_variant: str = "top1",
strategy_name: str = "baseline_random",
strategy_subdir: str = "baseline_random",
static_order: Sequence[str] | None = None,
) -> Dict[str, Any]:
logger = get_logger("benchmark_baseline")
budget = int(config["run"]["baseline_budget"])
batch_size = int(config["run"]["batch_size"])
baseline_root = output_dir / strategy_subdir
work_dir = baseline_root / "work"
raw_root = baseline_root / "raw_rdock_outputs"
cmd_log = baseline_root / "rdock_commands.log"
work_dir.mkdir(parents=True, exist_ok=True)
raw_root.mkdir(parents=True, exist_ok=True)
backend = _prepare_backend(config, cmd_log)
cap = backend.check_capability()
if bool(config["backend"].get("require_real_backend", True)) and not cap.available:
raise DockingError(f"Strict benchmark requires real backend. Capability failure: {cap.details}")
target_context = backend.prepare_target(target_path, work_dir / "target")
if static_order is None:
ids = ligands_df["ligand_id"].astype(str).tolist()
rng = random.Random(seed)
rng.shuffle(ids)
selected = ids[:budget]
else:
selected = [str(x) for x in static_order][:budget]
evaluated_rows: list[dict[str, Any]] = []
selected_rows: list[dict[str, Any]] = []
step = 0
for round_idx, start in enumerate(range(0, len(selected), batch_size)):
batch_ids = selected[start : start + batch_size]
round_dir = work_dir / f"batch_{round_idx:03d}"
round_dir.mkdir(parents=True, exist_ok=True)
ligand_files = []
for lid in batch_ids:
smi = str(ligands_df.loc[ligands_df["ligand_id"] == lid, "smiles"].iloc[0])
lig_file = backend.prepare_ligand(lid, smi, round_dir / "ligands")
ligand_files.append(lig_file)
selected_rows.append({"strategy": strategy_name, "round": round_idx, "step": step, "ligand_id": lid})
docked = backend.dock(
target_context,
ligand_files,
round_dir / "docking",
allow_mock=False,
require_real_backend=True,
)
parsed = backend.parse_results(docked)
_strict_backend_check(parsed)
interface = backend.extract_interface_features(parsed)
raw_batch_dir = raw_root / f"batch_{round_idx:03d}"
raw_batch_dir.mkdir(parents=True, exist_ok=True)
for item in sorted((round_dir / "docking").glob("*")):
if item.is_file():
shutil.copy2(item, raw_batch_dir / item.name)
for row, ifeat in zip(parsed, interface):
lid = str(row["ligand_id"])
docking_score = float(row["docking_score"])
feature_rescore, final_score = _compute_final_score(
docking_score=docking_score,
interface_contact_proxy=float(ifeat["interface_contact_proxy"]),
interaction_decomp=None,
burial_ratio=None,
rdock_row=row,
feature_mode=feature_mode,
score_variant=score_variant,
)
evaluated_rows.append(
{
"strategy": strategy_name,
"round": round_idx,
"step": step,
"ligand_id": lid,
"smiles": str(ligands_df.loc[ligands_df["ligand_id"] == lid, "smiles"].iloc[0]),
"parent_reference_ligand": str(
ligands_df.loc[ligands_df["ligand_id"] == lid, "parent_reference_ligand"].iloc[0]
),
"is_reference": bool(ligands_df.loc[ligands_df["ligand_id"] == lid, "is_reference"].iloc[0]),
"similarity_to_parent_reference": float(
ligands_df.loc[ligands_df["ligand_id"] == lid, "similarity_to_reference"].iloc[0]
),
"backend_name": str(row["backend_name"]),
"backend_mode": str(row["backend_mode"]),
"score_source": str(row["score_source"]),
"raw_output_file": str(row["raw_output_file"]),
"parsed_from": str(row["parsed_from"]),
"fallback_used": bool(row["fallback_used"]),
"success": bool(row["success"]),
"command": str(row.get("command", "")),
"quantity_type": str(row.get("quantity_type", "docking_score")),
"cluster_id": int(cluster_map[lid]),
"hypercluster_id": int(hyper_map.get(cluster_map[lid], -1)),
"docking_score": docking_score,
"feature_rescore": feature_rescore,
"final_score": final_score,
"predicted_score_prebatch": np.nan,
"predicted_uncertainty_prebatch": np.nan,
"prediction_abs_error": np.nan,
"rdock_total_score": row.get("rdock_total_score", np.nan),
"rdock_pose_rank": row.get("rdock_pose_rank", np.nan),
"n_generated_poses": row.get("n_generated_poses", np.nan),
"best_pose_score": row.get("best_pose_score", np.nan),
"mean_top3_pose_score": row.get("mean_top3_pose_score", np.nan),
"mean_top5_pose_score": row.get("mean_top5_pose_score", np.nan),
"std_top5_pose_score": row.get("std_top5_pose_score", np.nan),
"pose_score_gap_1_2": row.get("pose_score_gap_1_2", np.nan),
"rdock_restraint_term": row.get("rdock_restraint_term", np.nan),
"rdock_internal_ligand_term": row.get("rdock_internal_ligand_term", np.nan),
"rdock_polar_term": row.get("rdock_polar_term", np.nan),
"rdock_vdw_term": row.get("rdock_vdw_term", np.nan),
"top_pose_rmsd_consistency": row.get("top_pose_rmsd_consistency", np.nan),
"contact_overlap_consistency": row.get("contact_overlap_consistency", np.nan),
"hotspot_contact_frequency": row.get("hotspot_contact_frequency", np.nan),
"subpocket_match_score": row.get("subpocket_match_score", np.nan),
"replicate_mean_score": row.get("replicate_mean_score", np.nan),
"replicate_score_variance": row.get("replicate_score_variance", np.nan),
"replicate_consensus_score": row.get("replicate_consensus_score", np.nan),
"rdock_feature_provenance": row.get("rdock_feature_provenance", "[]"),
**ifeat,
}
)
step += 1
logger.info("Baseline %s round %s evaluated %s ligands", strategy_name, round_idx, len(batch_ids))
return {
"evaluated_df": pd.DataFrame(evaluated_rows),
"selected_df": pd.DataFrame(selected_rows),
"backend_capability": cap,
"command_log": cmd_log,
"raw_root": raw_root,
"strategy_root": baseline_root,
}
def _recovery_tables(
combined_df: pd.DataFrame,
ligands_df: pd.DataFrame,
references: Sequence[str],
analog_similarity_threshold: float,
topk_values: Sequence[int],
) -> tuple[pd.DataFrame, pd.DataFrame, pd.DataFrame]:
recovery_rows: list[dict[str, Any]] = []
comparison_rows: list[dict[str, Any]] = []
baseline_cmp_rows: list[dict[str, Any]] = []
for strategy in sorted(combined_df["strategy"].unique().tolist()):
sdf = combined_df[combined_df["strategy"] == strategy].copy()
if sdf.empty:
continue
rank_df = sdf.sort_values("final_score", ascending=True).reset_index(drop=True)
rank_df["rank"] = np.arange(1, rank_df.shape[0] + 1)
rank_map = dict(zip(rank_df["ligand_id"], rank_df["rank"]))
first_step_map = (
sdf.sort_values("step", ascending=True)
.groupby("ligand_id", as_index=False)
.first()
.set_index("ligand_id")["step"]
.to_dict()
)
budget = int(rank_df.shape[0])
early_cut = max(1, int(0.33 * budget))
late_cut = max(1, int(0.66 * budget))
for ref_id in references:
ref_rank = rank_map.get(ref_id)
ref_step = first_step_map.get(ref_id)
if ref_step is None:
stage = "never"
elif ref_step <= early_cut:
stage = "early"
elif ref_step <= late_cut:
stage = "mid"
else:
stage = "late"
analog_pool = ligands_df[
(ligands_df["parent_reference_ligand"] == ref_id)
& (
(pd.to_numeric(ligands_df["similarity_to_reference"], errors="coerce") >= analog_similarity_threshold)
| (pd.to_numeric(ligands_df.get("scaffold_match", 0), errors="coerce") >= 1)
)
]["ligand_id"].astype(str)
analog_pool_set = set(analog_pool.tolist())
eval_order = sdf.sort_values("step")
analog_hits = eval_order[eval_order["ligand_id"].isin(analog_pool_set)]
first_analog_step = int(analog_hits["step"].iloc[0]) if not analog_hits.empty else np.nan
topk_stats = {}
for k in topk_values:
kk = min(int(k), rank_df.shape[0])
top_ids = set(rank_df.head(kk)["ligand_id"].astype(str).tolist())
recovered = len(top_ids.intersection(analog_pool_set))
topk_stats[f"analog_recovered_top{k}"] = int(recovered)
recovery_rows.append(
{
"strategy": strategy,
"reference_id": ref_id,
"reference_rank": int(ref_rank) if ref_rank is not None else np.nan,
"reference_step": int(ref_step) if ref_step is not None else np.nan,
"reference_recovery_stage": stage,
"first_analog_step": first_analog_step,
"analog_pool_size": int(len(analog_pool_set)),
**topk_stats,
}
)
top_n = min(30, rank_df.shape[0])
for row in rank_df.head(top_n).itertuples(index=False):
sim_map = {
ref_id: _tanimoto(str(row.smiles), str(ligands_df.loc[ligands_df["ligand_id"] == ref_id, "smiles"].iloc[0]))
for ref_id in references
}
closest_ref = max(sim_map.items(), key=lambda kv: kv[1])[0]
comparison_rows.append(
{
"strategy": strategy,
"rank": int(row.rank),
"ligand_id": str(row.ligand_id),
"docking_score": float(row.docking_score),
"final_score": float(row.final_score),
"closest_reference": closest_ref,
"closest_reference_similarity": float(sim_map[closest_ref]),
"is_reference": bool(row.is_reference),
"parent_reference_ligand": row.parent_reference_ligand,
}
)
analog_like = (
(pd.to_numeric(sdf["similarity_to_parent_reference"], errors="coerce") >= analog_similarity_threshold)
| (sdf["is_reference"].astype(bool))
)
topk_hit = enrichment_metrics(
scores=sdf["final_score"].astype(float).tolist(),
labels=analog_like.astype(int).tolist(),
topk=min(50, sdf.shape[0]),
)
baseline_cmp_rows.append(
{
"strategy": strategy,
"budget_used": int(sdf.shape[0]),
"best_docking_score": float(sdf["docking_score"].min()),
"best_final_score": float(sdf["final_score"].min()),
"mean_final_score": float(sdf["final_score"].mean()),
"selection_diversity_proxy": float(sdf["cluster_id"].nunique() / max(1, sdf.shape[0])),
"topk_hit_rate": float(topk_hit["topk_hit_rate"]),
"enrichment_like": float(topk_hit["enrichment_like"]),
}
)
return (
pd.DataFrame(recovery_rows),
pd.DataFrame(comparison_rows),
pd.DataFrame(baseline_cmp_rows),
)
def _plot_outputs(
output_dir: Path,
combined_df: pd.DataFrame,
recovery_df: pd.DataFrame,
feature_importance: Dict[str, float],
surrogate_diag: pd.DataFrame,
) -> list[Path]:
plots_dir = output_dir / "plots"
plots_dir.mkdir(parents=True, exist_ok=True)
plot_paths: list[Path] = []
def savefig(name: str):
path = plots_dir / name
plt.tight_layout()
plt.savefig(path, dpi=160)
plt.close()
plot_paths.append(path)
# 1) docking_score_vs_step
plt.figure(figsize=(8, 4))
for strategy, sdf in combined_df.groupby("strategy"):
d = sdf.sort_values("step")
plt.plot(d["step"], d["docking_score"], label=strategy, alpha=0.8)
plt.xlabel("Step")
plt.ylabel("Docking score")
plt.title("Docking Score vs Step")
plt.legend()
savefig("docking_score_vs_step.png")
# 2) final_score_vs_step
plt.figure(figsize=(8, 4))
for strategy, sdf in combined_df.groupby("strategy"):
d = sdf.sort_values("step")
plt.plot(d["step"], d["final_score"], label=strategy, alpha=0.8)
plt.xlabel("Step")
plt.ylabel("Final score")
plt.title("Final Score vs Step")
plt.legend()
savefig("final_score_vs_step.png")
# 3) cumulative best
plt.figure(figsize=(8, 4))
for strategy, sdf in combined_df.groupby("strategy"):
d = sdf.sort_values("step")
cum_best = np.minimum.accumulate(d["final_score"].to_numpy(dtype=float))
plt.plot(d["step"], cum_best, label=strategy)
plt.xlabel("Step")
plt.ylabel("Cumulative best final score")
plt.title("Best Score Cumulative")
plt.legend()
savefig("best_score_cumulative.png")
# 4) adaptive_vs_baseline bar
plt.figure(figsize=(7, 4))
agg = combined_df.groupby("strategy", as_index=False).agg(best_final=("final_score", "min"), mean_final=("final_score", "mean"))
x = np.arange(agg.shape[0])
plt.bar(x - 0.15, agg["best_final"], width=0.3, label="best_final")
plt.bar(x + 0.15, agg["mean_final"], width=0.3, label="mean_final")
plt.xticks(x, agg["strategy"], rotation=20)
plt.ylabel("Score")
plt.title("Adaptive vs Baseline")
plt.legend()
savefig("adaptive_vs_baseline.png")
# 5) predicted_vs_realized
plt.figure(figsize=(5, 5))
if not surrogate_diag.empty:
plt.scatter(surrogate_diag["predicted"], surrogate_diag["realized"], s=18, alpha=0.6)
plt.xlabel("Predicted score")
plt.ylabel("Realized docking score")
plt.title("Predicted vs Realized")
savefig("predicted_vs_realized.png")
# 6) residuals_over_time
plt.figure(figsize=(8, 4))
if not surrogate_diag.empty:
plt.plot(surrogate_diag["step"], surrogate_diag["residual"], marker="o", linewidth=1)
plt.xlabel("Step")
plt.ylabel("Residual (pred - real)")
plt.title("Residuals Over Time")
savefig("residuals_over_time.png")
# 7) uncertainty_vs_error
plt.figure(figsize=(6, 4))
if not surrogate_diag.empty:
plt.scatter(surrogate_diag["uncertainty"], surrogate_diag["abs_error"], s=18, alpha=0.6)
plt.xlabel("Predicted uncertainty")
plt.ylabel("Absolute error")
plt.title("Uncertainty vs Error")
savefig("uncertainty_vs_error.png")
# 8) cluster selection over time
plt.figure(figsize=(8, 4))
adf = combined_df[combined_df["strategy"] == "adaptive"].sort_values("step")
if not adf.empty:
plt.plot(adf["step"], adf["cluster_id"], marker=".", linewidth=0.8)
plt.xlabel("Step")
plt.ylabel("Cluster ID")
plt.title("Cluster Selection Over Time (Adaptive)")
savefig("cluster_selection_over_time.png")
# 9) topk recovery over time
plt.figure(figsize=(8, 4))
for strategy, sdf in combined_df.groupby("strategy"):
d = sdf.sort_values("step").copy()
active_like = (
(pd.to_numeric(d["similarity_to_parent_reference"], errors="coerce") >= 0.65)
| (d["is_reference"].astype(bool))
)
csum = np.cumsum(active_like.astype(int).to_numpy())
plt.plot(d["step"], csum, label=strategy)
plt.xlabel("Step")
plt.ylabel("Cumulative recovered active-like")
plt.title("Top-k Recovery Over Time")
plt.legend()
savefig("topk_recovery_over_time.png")
# 10) reference rank positions
plt.figure(figsize=(8, 4))
rr = recovery_df[["strategy", "reference_id", "reference_rank"]].copy()
rr["reference_rank"] = pd.to_numeric(rr["reference_rank"], errors="coerce")
labels = [f"{r.reference_id}-{r.strategy}" for r in rr.itertuples(index=False)]
plt.bar(np.arange(rr.shape[0]), rr["reference_rank"].fillna(rr["reference_rank"].max() + 10).to_numpy())
plt.xticks(np.arange(rr.shape[0]), labels, rotation=40, ha="right")
plt.ylabel("Rank")
plt.title("Reference Rank Positions")
savefig("reference_rank_positions.png")
# 11) reference similarity vs rank
plt.figure(figsize=(6, 4))
ad = combined_df[combined_df["strategy"] == "adaptive"].copy()
if not ad.empty:
ad_rank = ad.sort_values("final_score").reset_index(drop=True)
ad_rank["rank"] = np.arange(1, ad_rank.shape[0] + 1)
plt.scatter(ad_rank["rank"], ad_rank["similarity_to_parent_reference"], s=18, alpha=0.6)
plt.xlabel("Rank")
plt.ylabel("Similarity to parent reference")
plt.title("Reference Similarity vs Rank (Adaptive)")
savefig("reference_similarity_vs_rank.png")
# 12) feature importance barplot
plt.figure(figsize=(9, 5))
ranked = sorted(feature_importance.items(), key=lambda kv: kv[1], reverse=True)[:20]
if ranked:
names = [k for k, _ in ranked]
vals = [v for _, v in ranked]
plt.barh(np.arange(len(vals)), vals)
plt.yticks(np.arange(len(vals)), names)
plt.gca().invert_yaxis()
plt.title("Feature Importance (Top 20)")
savefig("feature_importance_barplot.png")
# 13) metric correlation heatmap
plt.figure(figsize=(7, 6))
cols = [
"docking_score",
"final_score",
"interface_contact_proxy",
"hbond_proxy",
"shape_proxy",
"similarity_to_parent_reference",
]
corr_df = combined_df[cols].apply(pd.to_numeric, errors="coerce")
corr = corr_df.corr().fillna(0.0)
plt.imshow(corr.to_numpy(), cmap="coolwarm", vmin=-1.0, vmax=1.0)
plt.xticks(np.arange(len(cols)), cols, rotation=40, ha="right")
plt.yticks(np.arange(len(cols)), cols)
plt.colorbar(label="Pearson r")
plt.title("Metric Correlation Heatmap")
savefig("metric_correlation_heatmap.png")
# 14/15) AUC and PR (defensible analog-like label)
# Label definition: reference ligands or similarity >= 0.65 to parent reference.
adf = combined_df[combined_df["strategy"] == "adaptive"].copy()
if not adf.empty:
y_true = (
(adf["is_reference"].astype(bool))
| (pd.to_numeric(adf["similarity_to_parent_reference"], errors="coerce") >= 0.65)
).astype(int)
y_score = -pd.to_numeric(adf["final_score"], errors="coerce").fillna(0.0)
if y_true.nunique() > 1:
fpr, tpr, _ = sk_metrics.roc_curve(y_true, y_score)
prec, rec, _ = sk_metrics.precision_recall_curve(y_true, y_score)
plt.figure(figsize=(5, 4))
plt.plot(fpr, tpr)
plt.xlabel("FPR")
plt.ylabel("TPR")
plt.title("ROC Curve (analog-like label)")
savefig("auc_curve.png")
plt.figure(figsize=(5, 4))
plt.plot(rec, prec)
plt.xlabel("Recall")
plt.ylabel("Precision")
plt.title("PR Curve (analog-like label)")
savefig("pr_curve.png")
else:
plt.figure(figsize=(5, 4))
plt.text(0.5, 0.5, "ROC not defensible\\n(single class label)", ha="center", va="center")
plt.axis("off")
savefig("auc_curve.png")
plt.figure(figsize=(5, 4))
plt.text(0.5, 0.5, "PR not defensible\\n(single class label)", ha="center", va="center")
plt.axis("off")
savefig("pr_curve.png")
else:
plt.figure(figsize=(5, 4))
plt.text(0.5, 0.5, "ROC not available", ha="center", va="center")
plt.axis("off")
savefig("auc_curve.png")
plt.figure(figsize=(5, 4))
plt.text(0.5, 0.5, "PR not available", ha="center", va="center")
plt.axis("off")
savefig("pr_curve.png")
return plot_paths
def _self_audit(
output_dir: Path,
required_files: Sequence[str],
required_plots: Sequence[str],
reference_ids: Sequence[str],
) -> Path:
issues: list[str] = []
checks: list[str] = []
for rel in required_files:
p = output_dir / rel
ok = p.exists() and p.stat().st_size > 0
checks.append(f"- file `{rel}` exists and non-empty: `{ok}`")
if not ok:
issues.append(f"Missing/empty required file: {rel}")
for rel in required_plots:
p = output_dir / "plots" / rel
ok = p.exists() and p.stat().st_size > 0
checks.append(f"- plot `{rel}` exists and non-empty: `{ok}`")
if not ok:
issues.append(f"Missing/empty required plot: {rel}")
parsed = pd.read_csv(output_dir / "parsed_scores.csv") if (output_dir / "parsed_scores.csv").exists() else pd.DataFrame()
if parsed.empty:
issues.append("parsed_scores.csv is empty")
else:
no_fallback = not parsed["fallback_used"].astype(bool).any()
real_mode = bool((parsed["backend_mode"] == "real-rdock").all())
checks.append(f"- no fallback rows in parsed_scores: `{no_fallback}`")
checks.append(f"- backend_mode is real-rdock for all rows: `{real_mode}`")
if not no_fallback:
issues.append("Fallback rows found in parsed_scores")
if not real_mode:
issues.append("Non real-rdock rows found in parsed_scores")
ligands_df = pd.read_csv(output_dir / "dataset_snapshot.csv") if (output_dir / "dataset_snapshot.csv").exists() else pd.DataFrame()
for ref in reference_ids:
present = (not ligands_df.empty) and bool((ligands_df["ligand_id"].astype(str) == str(ref)).any())
checks.append(f"- reference ligand `{ref}` present in benchmark universe: `{present}`")
if not present:
issues.append(f"Reference ligand {ref} missing from benchmark universe")
rec_df = pd.read_csv(output_dir / "reference_recovery.csv") if (output_dir / "reference_recovery.csv").exists() else pd.DataFrame()
checks.append(f"- reference_recovery.csv populated: `{not rec_df.empty}`")
if rec_df.empty:
issues.append("reference_recovery.csv empty")
feat_df = pd.read_csv(output_dir / "features_per_ligand.csv") if (output_dir / "features_per_ligand.csv").exists() else pd.DataFrame()
checks.append(f"- features_per_ligand.csv populated: `{not feat_df.empty}`")
if feat_df.empty:
issues.append("features_per_ligand.csv empty")
resc_df = pd.read_csv(output_dir / "rescoring_terms.csv") if (output_dir / "rescoring_terms.csv").exists() else pd.DataFrame()
if resc_df.empty:
issues.append("rescoring_terms.csv empty")
else:
same = np.isclose(resc_df["docking_score"].to_numpy(dtype=float), resc_df["final_score"].to_numpy(dtype=float), atol=1e-9)
same_frac = float(np.mean(same))
checks.append(f"- fraction(final_score == docking_score): `{same_frac:.4f}`")
if same_frac > 0.98:
issues.append("Final score is almost identical to docking score across rows")
report_lines = [
"# Self Audit Report",
"",
"## Checks",
*checks,
"",
"## Issues",
]
if not issues:
report_lines.append("- None")
else:
report_lines.extend([f"- {x}" for x in issues])
report_path = output_dir / "self_audit_report.md"
report_path.write_text("\n".join(report_lines), encoding="utf-8")
if issues:
raise RuntimeError("Self-audit failed:\n" + "\n".join(issues))
return report_path
def run_benchmark(config_path: str | Path) -> Dict[str, Any]:
logger = get_logger("experimental_benchmark")
config = load_config(config_path)
root = Path(__file__).resolve().parents[1]
run_cfg = config["run"]
output_dir = root / run_cfg["output_dir"]
if output_dir.exists():
shutil.rmtree(output_dir)
output_dir.mkdir(parents=True, exist_ok=True)
np.random.seed(int(run_cfg["random_seed"]))
random.seed(int(run_cfg["random_seed"]))
stage_timers: list[StageTimer] = []
doctor, tm = _time_stage("environment_check", run_doctor)
stage_timers.append(tm)
dataset_info, tm = _time_stage("dataset_build", lambda: _build_dataset(config, root, logger))
stage_timers.append(tm)
target_selection_path, tm = _time_stage(
"target_selection_report",
lambda: _write_target_selection_markdown(config, dataset_info, output_dir),
)
stage_timers.append(tm)
ligands_df = dataset_info["dedup_df"].copy()
ligands_df = ligands_df.reset_index(drop=True)
ligands_df["ligand_id"] = ligands_df["ligand_id"].astype(str)
ligands_df["smiles"] = ligands_df["smiles"].astype(str)
subset_size = run_cfg.get("dataset_subset_size")
if subset_size is not None:
subset_size = int(subset_size)
if subset_size > 0 and subset_size < ligands_df.shape[0]:
rng = np.random.default_rng(int(run_cfg["random_seed"]))
refs = ligands_df[ligands_df["is_reference"].astype(bool)].copy()
non_refs = ligands_df[~ligands_df["is_reference"].astype(bool)].copy()
keep_non_ref = max(0, subset_size - refs.shape[0])
if keep_non_ref < non_refs.shape[0]:
idx = rng.choice(non_refs.index.to_numpy(), size=keep_non_ref, replace=False)
non_refs = non_refs.loc[idx].copy()
ligands_df = pd.concat([refs, non_refs], axis=0).drop_duplicates(subset=["ligand_id"]).reset_index(drop=True)
# Ensure unique ligand IDs post-dedup.
if ligands_df["ligand_id"].duplicated().any():
new_ids = []
seen = {}
for lid in ligands_df["ligand_id"].tolist():
c = seen.get(lid, 0)
seen[lid] = c + 1
new_ids.append(lid if c == 0 else f"{lid}_dup{c}")
ligands_df["ligand_id"] = new_ids
(ligand_encodings, protein_encoding, cluster_map, hyper_map), tm = _time_stage(
"encode_cluster",
lambda: _encode_and_cluster(config, ligands_df, dataset_info["target_path"]),
)
stage_timers.append(tm)
adaptive_info = _run_adaptive_strategy(
config=config,
root=root,
output_dir=output_dir,
ligands_df=ligands_df,
ligand_encodings=ligand_encodings,
cluster_map=cluster_map,
hyper_map=hyper_map,
protein_encoding=protein_encoding,
target_path=dataset_info["target_path"],
stage_timers=stage_timers,
)
baseline_start = time.time()
baseline_info = _run_random_baseline(
config=config,
output_dir=output_dir,
ligands_df=ligands_df,
cluster_map=cluster_map,
hyper_map=hyper_map,
target_path=dataset_info["target_path"],
seed=int(run_cfg["random_seed"]) + 101,
)
baseline_end = time.time()
stage_timers.append(StageTimer(name="baseline_random_loop", start=baseline_start, end=baseline_end))
# Combine outputs.
adaptive_df = adaptive_info["evaluated_df"].copy()
baseline_df = baseline_info["evaluated_df"].copy()
combined_df = pd.concat([adaptive_df, baseline_df], axis=0, ignore_index=True)
if combined_df.empty:
raise RuntimeError("Benchmark produced no evaluated rows")
_strict_backend_check(combined_df.to_dict(orient="records"))
# Final ranking by strategy.
ranking_rows = []
for strategy, sdf in combined_df.groupby("strategy"):
r = sdf.sort_values("final_score").copy().reset_index(drop=True)
r["rank"] = np.arange(1, r.shape[0] + 1)
ranking_rows.append(r)
ranking_df = pd.concat(ranking_rows, axis=0, ignore_index=True)
reference_ids = dataset_info["reference_df"]["reference_id"].astype(str).tolist()
recovery_df, ref_cmp_df, baseline_cmp_df = _recovery_tables(
combined_df=combined_df,
ligands_df=ligands_df,
references=reference_ids,
analog_similarity_threshold=float(config["analysis"].get("analog_similarity_threshold", 0.65)),
topk_values=[int(x) for x in config["analysis"].get("topk_values", [10, 25, 50, 100])],
)
# Feature outputs from adaptive path.
feature_values_df = adaptive_info["feature_values_df"].copy()
feature_masks_df = adaptive_info["feature_masks_df"].copy()
pose_features_df = adaptive_info["pose_features_df"].copy()
model_weight_df = adaptive_info["model_weight_df"].copy()
feature_diag_df = compute_feature_diagnostics(
feature_values_df,
feature_masks_df,
target=feature_values_df["ligand_id"].map(
adaptive_df.groupby("ligand_id")["docking_score"].min().to_dict()
),
)
# Surrogate diagnostics using final adaptive model over evaluated adaptive rows.
scheduler = adaptive_info["scheduler"]
ad_eval = adaptive_df.sort_values("step").copy()
if not ad_eval.empty:
merged = ad_eval[["ligand_id", "step", "docking_score"]].merge(feature_values_df, on="ligand_id", how="left")
merged_mask = ad_eval[["ligand_id"]].merge(feature_masks_df, on="ligand_id", how="left")
x = merged.drop(columns=["ligand_id", "step", "docking_score"]).to_numpy(dtype=float)
m = merged_mask.drop(columns=["ligand_id"]).to_numpy(dtype=float)
pred = scheduler.surrogate.predict_bundle(x, m)
surrogate_diag = pd.DataFrame(
{
"step": merged["step"].to_numpy(dtype=int),
"ligand_id": merged["ligand_id"].astype(str).to_numpy(),
"predicted": pred["expected_score"],
"realized": merged["docking_score"].to_numpy(dtype=float),
"residual": pred["expected_score"] - merged["docking_score"].to_numpy(dtype=float),
"uncertainty": pred["uncertainty"],
}
)
surrogate_diag["abs_error"] = surrogate_diag["residual"].abs()
else:
surrogate_diag = pd.DataFrame(columns=["step", "ligand_id", "predicted", "realized", "residual", "uncertainty", "abs_error"])
feature_importance = scheduler.surrogate.feature_importance()
# Save outputs.
paths = {
"summary": output_dir / "summary.json",
"final_ranking": output_dir / "final_ranking.csv",
"batch_history": output_dir / "batch_history.csv",
"timings": output_dir / "timings.csv",
"clusters": output_dir / "clusters.csv",
"hyperclusters": output_dir / "hyperclusters.csv",
"selected_ligands": output_dir / "selected_ligands.csv",
"reference_recovery": output_dir / "reference_recovery.csv",
"reference_comparison": output_dir / "reference_comparison.csv",
"surrogate_diagnostics": output_dir / "surrogate_diagnostics.csv",
"baseline_comparison": output_dir / "baseline_comparison.csv",
"parsed_scores": output_dir / "parsed_scores.csv",
"features_per_ligand": output_dir / "features_per_ligand.csv",
"features_per_pose": output_dir / "features_per_pose.csv",
"feature_masks": output_dir / "feature_masks.csv",
"feature_importance": output_dir / "feature_importance.json",
"model_weight_over_time": output_dir / "model_weight_over_time.csv",
"feature_diagnostics": output_dir / "feature_diagnostics.csv",
"rescoring_terms": output_dir / "rescoring_terms.csv",
"backend_validation_snapshot": output_dir / "backend_validation_snapshot.csv",
"readme": output_dir / "README_results.md",
"validation_report": output_dir / "validation_report.md",
"dataset_snapshot": output_dir / "dataset_snapshot.csv",
}
ranking_df.to_csv(paths["final_ranking"], index=False)
pd.DataFrame(scheduler.state.batch_history).to_csv(paths["batch_history"], index=False)
pd.DataFrame([{"stage": t.name, "seconds": t.seconds} for t in stage_timers]).to_csv(paths["timings"], index=False)
pd.DataFrame(
[{"ligand_id": lid, "cluster_id": int(cluster_map[lid]), "hypercluster_id": int(hyper_map.get(cluster_map[lid], -1))} for lid in ligands_df["ligand_id"]]
).to_csv(paths["clusters"], index=False)
pd.DataFrame([{"cluster_id": int(k), "hypercluster_id": int(v)} for k, v in sorted(hyper_map.items())]).to_csv(
paths["hyperclusters"], index=False
)
pd.concat([adaptive_info["selected_df"], baseline_info["selected_df"]], axis=0, ignore_index=True).to_csv(paths["selected_ligands"], index=False)
recovery_df.to_csv(paths["reference_recovery"], index=False)
ref_cmp_df.to_csv(paths["reference_comparison"], index=False)
surrogate_diag.to_csv(paths["surrogate_diagnostics"], index=False)
baseline_cmp_df.to_csv(paths["baseline_comparison"], index=False)
combined_df.to_csv(paths["parsed_scores"], index=False)
feature_values_df.to_csv(paths["features_per_ligand"], index=False)
pose_features_df.to_csv(paths["features_per_pose"], index=False)
feature_masks_df.to_csv(paths["feature_masks"], index=False)
paths["feature_importance"].write_text(json.dumps(feature_importance, indent=2), encoding="utf-8")
model_weight_df.to_csv(paths["model_weight_over_time"], index=False)
feature_diag_df.to_csv(paths["feature_diagnostics"], index=False)
combined_df[["strategy", "step", "ligand_id", "docking_score", "interface_contact_proxy", "feature_rescore", "final_score"]].to_csv(
paths["rescoring_terms"], index=False
)
pd.DataFrame(
[
{
"strategy": "adaptive",
"backend_name": adaptive_info["backend_capability"].backend_name,
"backend_available": adaptive_info["backend_capability"].available,
"details": json.dumps(adaptive_info["backend_capability"].details),
"command_log": str(adaptive_info["command_log"]),
"raw_output_root": str(adaptive_info["raw_root"]),
},
{
"strategy": "baseline_random",
"backend_name": baseline_info["backend_capability"].backend_name,
"backend_available": baseline_info["backend_capability"].available,
"details": json.dumps(baseline_info["backend_capability"].details),
"command_log": str(baseline_info["command_log"]),
"raw_output_root": str(baseline_info["raw_root"]),
},
]
).to_csv(paths["backend_validation_snapshot"], index=False)
ligands_df.to_csv(paths["dataset_snapshot"], index=False)
# Merge command logs for convenience.
merged_log = output_dir / "rdock_commands.log"
merged_log.write_text(
"\n".join(
[
"# Adaptive",
adaptive_info["command_log"].read_text(encoding="utf-8") if adaptive_info["command_log"].exists() else "",
"# Baseline Random",
baseline_info["command_log"].read_text(encoding="utf-8") if baseline_info["command_log"].exists() else "",
]
),
encoding="utf-8",
)
# Copy raw outputs into common root.
common_raw = output_dir / "raw_rdock_outputs"
if common_raw.exists():
shutil.rmtree(common_raw)
common_raw.mkdir(parents=True, exist_ok=True)
shutil.copytree(adaptive_info["raw_root"], common_raw / "adaptive", dirs_exist_ok=True)
shutil.copytree(baseline_info["raw_root"], common_raw / "baseline_random", dirs_exist_ok=True)
# Plots.
plot_paths = _plot_outputs(
output_dir=output_dir,
combined_df=combined_df,
recovery_df=recovery_df,
feature_importance=feature_importance,
surrogate_diag=surrogate_diag,
)
# Summary + reports.
counts_by_ref = ligands_df.groupby("parent_reference_ligand").size().to_dict()
reached_full_target = all(v >= int(config["benchmark_dataset"]["per_reference_target"]) for v in counts_by_ref.values())
summary = {
"run_name": run_cfg["name"],
"target": config["target"],
"references": dataset_info["reference_df"].to_dict(orient="records"),
"ligands_per_reference": {k: int(v) for k, v in counts_by_ref.items()},
"total_ligand_count": int(ligands_df.shape[0]),
"per_reference_target": int(config["benchmark_dataset"]["per_reference_target"]),
"full_4500_target_reached": bool(reached_full_target and ligands_df.shape[0] >= 4500),
"cluster_count": int(len(set(cluster_map.values()))),
"hypercluster_count": int(len(set(hyper_map.values()))),
"adaptive_budget_used": int(adaptive_df.shape[0]),
"baseline_budget_used": int(baseline_df.shape[0]),
"real_rdock_only": bool((combined_df["backend_mode"] == "real-rdock").all() and (not combined_df["fallback_used"].astype(bool).any())),
"runtime_seconds": float(sum(t.seconds for t in stage_timers)),
"runtime_by_stage_seconds": {t.name: t.seconds for t in stage_timers},
}
paths["summary"].write_text(json.dumps(summary, indent=2), encoding="utf-8")
paths["readme"].write_text(
"\n".join(
[
"# Experimental Benchmark Results",
"",
f"- Target: `{config['target']['protein_name']}`",
f"- References: `{', '.join(reference_ids)}`",
f"- Total ligands: `{ligands_df.shape[0]}`",
f"- Adaptive budget used: `{adaptive_df.shape[0]}`",
f"- Baseline budget used: `{baseline_df.shape[0]}`",
f"- Real rDock only: `{summary['real_rdock_only']}`",
"",
"Key outputs:",
"- `summary.json`",
"- `final_ranking.csv`",
"- `reference_recovery.csv`",
"- `reference_comparison.csv`",
"- `baseline_comparison.csv`",
"- `surrogate_diagnostics.csv`",
"- `feature_importance.json`",
"- `plots/`",
]
),
encoding="utf-8",
)
val_lines = [
"# Validation Report",
"",
"## Strict Backend",
f"- real-rDock-only rows: `{summary['real_rdock_only']}`",
f"- fallback rows: `{int(combined_df['fallback_used'].astype(bool).sum())}`",
"",
"## Adaptive vs Baseline",
]
for row in baseline_cmp_df.itertuples(index=False):
val_lines.append(
f"- `{row.strategy}` best_final=`{row.best_final_score:.4f}` mean_final=`{row.mean_final_score:.4f}` topk_hit_rate=`{row.topk_hit_rate:.4f}`"
)
val_lines.extend(
[
"",
"## Reference Recovery",
]
)
for row in recovery_df.itertuples(index=False):
val_lines.append(
f"- `{row.strategy}` `{row.reference_id}` rank=`{row.reference_rank}` step=`{row.reference_step}` stage=`{row.reference_recovery_stage}`"
)
val_lines.extend(
[
"",
"## Dataset Scale",
f"- per_reference_target=`{config['benchmark_dataset']['per_reference_target']}`",
f"- counts_by_reference=`{counts_by_ref}`",
"- If any reference is below target count, retrieval constraints are documented in target_selection and summary.",
"",
"## Classification Metric Note",
"- ROC/PR curves are computed using a defensible analog-like label (reference ligands or high-similarity analogs).",
"- These curves evaluate enrichment behavior, not absolute biological activity prediction.",
]
)
paths["validation_report"].write_text("\n".join(val_lines), encoding="utf-8")
required_files = [
"summary.json",
"final_ranking.csv",
"batch_history.csv",
"timings.csv",
"clusters.csv",
"hyperclusters.csv",
"selected_ligands.csv",
"reference_recovery.csv",
"reference_comparison.csv",
"surrogate_diagnostics.csv",
"baseline_comparison.csv",
"parsed_scores.csv",
"features_per_ligand.csv",
"features_per_pose.csv",
"feature_masks.csv",
"feature_importance.json",
"model_weight_over_time.csv",
"feature_diagnostics.csv",
"rescoring_terms.csv",
"backend_validation_snapshot.csv",
"README_results.md",
"validation_report.md",
"target_selection.md",
"dataset_snapshot.csv",
]
required_plots = [
"docking_score_vs_step.png",
"final_score_vs_step.png",
"best_score_cumulative.png",
"adaptive_vs_baseline.png",
"predicted_vs_realized.png",
"residuals_over_time.png",
"uncertainty_vs_error.png",
"cluster_selection_over_time.png",
"topk_recovery_over_time.png",
"reference_rank_positions.png",
"reference_similarity_vs_rank.png",
"feature_importance_barplot.png",
"metric_correlation_heatmap.png",
"auc_curve.png",
"pr_curve.png",
]
self_audit_path = _self_audit(
output_dir=output_dir,
required_files=required_files,
required_plots=required_plots,
reference_ids=reference_ids,
)
return {
"summary": summary,
"output_dir": str(output_dir),
"paths": {k: str(v) for k, v in paths.items()} | {
"self_audit_report": str(self_audit_path),
"target_selection": str(target_selection_path),
"plots": str(output_dir / "plots"),
"raw_rdock_outputs": str(common_raw),
"rdock_commands": str(merged_log),
},
"plot_paths": [str(p) for p in plot_paths],
"doctor": {
"python_ok": doctor.python_ok,
"imports_ok": doctor.imports_ok,
"rdock_execs": doctor.rdock_execs,
"gcc_available": doctor.gcc_available,
"popt_available": doctor.popt_available,
},
}
def _encode_and_cluster(config: Dict[str, Any], ligands_df: pd.DataFrame, target_path: Path):
protein_encoder = ProteinEncoder()
protein_encoding = protein_encoder.encode_structure(target_id=config["target"]["target_id"], structure_path=target_path)
ligand_encoder = LigandEncoder(
LigandEncoderConfig(
radius=int(config["encoding"].get("fingerprint_radius", 2)),
n_bits=int(config["encoding"].get("fingerprint_bits", 1024)),
generate_3d=bool(config["encoding"].get("generate_3d", False)),
)
)
ligand_encodings = ligand_encoder.encode_table(ligands_df[["ligand_id", "smiles"]])
ligand_ids = [e.ligand_id for e in ligand_encodings]
fingerprints = [e.fingerprint for e in ligand_encodings]
vectors = np.vstack([e.vector for e in ligand_encodings])
cluster_map = cluster_ligands_butina(
ligand_ids=ligand_ids,
fingerprints=fingerprints,
cutoff=float(config["clustering"].get("butina_cutoff", 0.35)),
)
reps: Dict[int, np.ndarray] = {}
id_to_index = {lid: i for i, lid in enumerate(ligand_ids)}
for cid in sorted(set(cluster_map.values())):
members = [lid for lid in ligand_ids if cluster_map[lid] == cid]
reps[cid] = np.mean(np.vstack([vectors[id_to_index[lid]] for lid in members]), axis=0)
hyper_map = hypercluster_representatives(reps, n_hyperclusters=int(config["clustering"].get("n_hyperclusters", 20)))
return ligand_encodings, protein_encoding, cluster_map, hyper_map
def main() -> int:
parser = argparse.ArgumentParser(description="Run strict experimental benchmark")
parser.add_argument("--config", default="configs/experimental_benchmark.yaml", help="Benchmark config path")
args = parser.parse_args()
result = run_benchmark(args.config)
print(json.dumps(result["summary"], indent=2))
return 0
if __name__ == "__main__":
raise SystemExit(main())