Add ExecuTorch WebGPU program for depth-anything-v2-small
Browse files- .gitattributes +1 -0
- LICENSE +202 -0
- NOTICE +6 -0
- README.md +54 -0
- depth_v2s_webgpu.pte +3 -0
- export/_common.py +330 -0
- export/depth-anything-v2-small.py +120 -0
- export/recipe.json +99 -0
- export/requirements.txt +15 -0
- manifest.json +11 -0
.gitattributes
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*.zip filter=lfs diff=lfs merge=lfs -text
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*.zst filter=lfs diff=lfs merge=lfs -text
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*tfevents* filter=lfs diff=lfs merge=lfs -text
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*.zip filter=lfs diff=lfs merge=lfs -text
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*.zst filter=lfs diff=lfs merge=lfs -text
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*tfevents* filter=lfs diff=lfs merge=lfs -text
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depth_v2s_webgpu.pte filter=lfs diff=lfs merge=lfs -text
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LICENSE
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NOTICE
ADDED
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This repository contains a modified version of depth-anything/Depth-Anything-V2-Small-hf.
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Modifications by Meta Platforms, Inc.: conversion to the ExecuTorch program format (.pte) for the
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ExecuTorch WebGPU backend, and quantization as described in README.md.
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The original work and these modifications are distributed under the license in LICENSE.
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README.md
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---
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license: apache-2.0
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base_model:
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- depth-anything/Depth-Anything-V2-Small-hf
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base_model_relation: quantized
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library_name: executorch
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pipeline_tag: depth-estimation
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tags:
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- executorch
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- webgpu
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- on-device
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- browser
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---
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# Depth Anything V2 Small for ExecuTorch WebGPU
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This repository contains an [ExecuTorch](https://github.com/pytorch/executorch) conversion of
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[depth-anything/Depth-Anything-V2-Small-hf](https://huggingface.co/depth-anything/Depth-Anything-V2-Small-hf) for the ExecuTorch **WebGPU** backend, so the model runs entirely in a web browser on
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the visitor's GPU. It powers the corresponding demo in the
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[ExecuTorch Playground](https://executorch.ai/playground/webgpu/).
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| 21 |
+
- **Base model:** [depth-anything/Depth-Anything-V2-Small-hf](https://huggingface.co/depth-anything/Depth-Anything-V2-Small-hf)
|
| 22 |
+
- **Format:** ExecuTorch `.pte` programs delegated to the WebGPU backend
|
| 23 |
+
- **Quantization:** fp32 (as exported)
|
| 24 |
+
- **Total size:** 92.8 MB
|
| 25 |
+
|
| 26 |
+
> **Note:** Only the Small variant is Apache-2.0; Base and Large are CC BY-NC 4.0 and must not be published.
|
| 27 |
+
|
| 28 |
+
## Files
|
| 29 |
+
|
| 30 |
+
| File | Size | SHA-256 |
|
| 31 |
+
|---|---|---|
|
| 32 |
+
| `depth_v2s_webgpu.pte` | 92.8 MB | `285602ed3a34a26a…` |
|
| 33 |
+
|
| 34 |
+
Full checksums are in `manifest.json`. The playground verifies them after download.
|
| 35 |
+
|
| 36 |
+
## Running it
|
| 37 |
+
|
| 38 |
+
These programs need the ExecuTorch WebGPU runtime compiled to WebAssembly
|
| 39 |
+
([backends/webgpu](https://github.com/pytorch/executorch/tree/main/backends/webgpu)). The easiest way to
|
| 40 |
+
try the model is the [ExecuTorch Playground](https://executorch.ai/playground/webgpu/), which downloads these
|
| 41 |
+
files once, caches them in the browser, and runs everything locally.
|
| 42 |
+
|
| 43 |
+
## Provenance
|
| 44 |
+
|
| 45 |
+
- **Weights:** `depth-anything/Depth-Anything-V2-Small-hf` @ `5426e4f0f36572d16453bbda7a8389317b1bef99`, file `None`, sha256 `None` (official)
|
| 46 |
+
- **Exported with:** executorch 1.5.1+cpu, torch 2.14.1+cpu, torchao 0.18.0+cpu, transformers 5.19.0 (executorch git `3b6068392324`)
|
| 47 |
+
- **Reproduce:** `python recipes/depth-anything-v2-small.py --out out/depth-anything-v2-small` (recipe in `export/`)
|
| 48 |
+
- Re-running the recipe produces byte-identical files.
|
| 49 |
+
|
| 50 |
+
## License
|
| 51 |
+
|
| 52 |
+
This is a derivative of the upstream model and is distributed under the same terms
|
| 53 |
+
(`apache-2.0`); see `LICENSE`.
|
| 54 |
+
Modifications (conversion to the ExecuTorch format and quantization) by Meta Platforms, Inc.
|
depth_v2s_webgpu.pte
ADDED
|
@@ -0,0 +1,3 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
version https://git-lfs.github.com/spec/v1
|
| 2 |
+
oid sha256:285602ed3a34a26a4d9d36355ce978587ed555e68b6b5fa8a567c1155a3b5160
|
| 3 |
+
size 97307268
|
export/_common.py
ADDED
|
@@ -0,0 +1,330 @@
|
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|
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|
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|
|
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|
|
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|
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|
|
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|
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|
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|
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|
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|
|
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|
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|
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|
|
|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
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|
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|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
"""Shared helpers for the ExecuTorch WebGPU export recipes in this directory.
|
| 2 |
+
|
| 3 |
+
Each recipe builds an eager model from a pinned upstream revision and calls
|
| 4 |
+
`export_vision` (or its own LLM path), which writes:
|
| 5 |
+
|
| 6 |
+
<out>/<name>_webgpu.pte program lowered with WebGPUPartitioner (delegate id "VulkanBackend")
|
| 7 |
+
<out>/<name>_portable.pte same exported graph without a delegate, for CPU validation only
|
| 8 |
+
<out>/recipe.json upstream id + revision, versions, shapes, dtype, command line
|
| 9 |
+
<out>/validation.json eager vs exported-program vs portable .pte (and goldens, if given)
|
| 10 |
+
"""
|
| 11 |
+
|
| 12 |
+
import hashlib
|
| 13 |
+
import io
|
| 14 |
+
import json
|
| 15 |
+
import platform
|
| 16 |
+
import shlex
|
| 17 |
+
import sys
|
| 18 |
+
import urllib.request
|
| 19 |
+
import zipfile
|
| 20 |
+
from pathlib import Path
|
| 21 |
+
|
| 22 |
+
import numpy as np
|
| 23 |
+
import torch
|
| 24 |
+
|
| 25 |
+
PROXY_HINT = (
|
| 26 |
+
"set https_proxy if the machine needs a proxy for huggingface.co / pypi.org"
|
| 27 |
+
)
|
| 28 |
+
|
| 29 |
+
|
| 30 |
+
def versions():
|
| 31 |
+
import executorch
|
| 32 |
+
import torchao
|
| 33 |
+
from executorch.version import git_version
|
| 34 |
+
|
| 35 |
+
out = {
|
| 36 |
+
"python": platform.python_version(),
|
| 37 |
+
"torch": torch.__version__,
|
| 38 |
+
"torchao": torchao.__version__,
|
| 39 |
+
"executorch": getattr(executorch, "__version__", None)
|
| 40 |
+
or __import__("executorch.version").version.__version__,
|
| 41 |
+
"executorch_git": git_version,
|
| 42 |
+
}
|
| 43 |
+
try:
|
| 44 |
+
import transformers
|
| 45 |
+
|
| 46 |
+
out["transformers"] = transformers.__version__
|
| 47 |
+
except ImportError:
|
| 48 |
+
pass
|
| 49 |
+
try:
|
| 50 |
+
import huggingface_hub
|
| 51 |
+
|
| 52 |
+
out["huggingface_hub"] = huggingface_hub.__version__
|
| 53 |
+
except ImportError:
|
| 54 |
+
pass
|
| 55 |
+
return out
|
| 56 |
+
|
| 57 |
+
|
| 58 |
+
def sha256_file(path):
|
| 59 |
+
h = hashlib.sha256()
|
| 60 |
+
with open(path, "rb") as fh:
|
| 61 |
+
for chunk in iter(lambda: fh.read(1 << 20), b""):
|
| 62 |
+
h.update(chunk)
|
| 63 |
+
return h.hexdigest()
|
| 64 |
+
|
| 65 |
+
|
| 66 |
+
def hf_file(repo_id, filename, revision, expected_sha256=None, cache_dir=None):
|
| 67 |
+
from huggingface_hub import hf_hub_download
|
| 68 |
+
|
| 69 |
+
path = hf_hub_download(
|
| 70 |
+
repo_id=repo_id, filename=filename, revision=revision, cache_dir=cache_dir
|
| 71 |
+
)
|
| 72 |
+
digest = sha256_file(path)
|
| 73 |
+
if expected_sha256 and digest != expected_sha256:
|
| 74 |
+
sys.exit(
|
| 75 |
+
f"{repo_id}@{revision}:{filename} sha256 {digest} != {expected_sha256}"
|
| 76 |
+
)
|
| 77 |
+
return Path(path), digest
|
| 78 |
+
|
| 79 |
+
|
| 80 |
+
def pypi_wheel_member(url, expected_sha256, member):
|
| 81 |
+
"""Read one file out of a PyPI wheel, verifying the wheel's sha256."""
|
| 82 |
+
with urllib.request.urlopen(url, timeout=120) as resp:
|
| 83 |
+
blob = resp.read()
|
| 84 |
+
digest = hashlib.sha256(blob).hexdigest()
|
| 85 |
+
if digest != expected_sha256:
|
| 86 |
+
sys.exit(f"{url}: sha256 {digest} != {expected_sha256} ({PROXY_HINT})")
|
| 87 |
+
with zipfile.ZipFile(io.BytesIO(blob)) as zf:
|
| 88 |
+
return zf.read(member).decode()
|
| 89 |
+
|
| 90 |
+
|
| 91 |
+
def scrub(text, out_dir):
|
| 92 |
+
"""Replace machine-specific paths so recipe.json can ship with the model."""
|
| 93 |
+
text = text.replace(str(Path(out_dir).resolve()), "<out>")
|
| 94 |
+
text = text.replace(str(Path(__file__).resolve().parent), "recipes")
|
| 95 |
+
return text.replace(str(Path.home()), "~")
|
| 96 |
+
|
| 97 |
+
|
| 98 |
+
def command_line(out_dir):
|
| 99 |
+
argv = [f"recipes/{Path(sys.argv[0]).name}", *sys.argv[1:]]
|
| 100 |
+
args = []
|
| 101 |
+
for a in argv:
|
| 102 |
+
if a.startswith("/") or a.startswith("."):
|
| 103 |
+
a = scrub(str(Path(a).resolve()), out_dir)
|
| 104 |
+
args.append(a)
|
| 105 |
+
return scrub(" ".join(["python", *(shlex.quote(a) for a in args)]), out_dir)
|
| 106 |
+
|
| 107 |
+
|
| 108 |
+
def lower_webgpu(ep):
|
| 109 |
+
from executorch.backends.webgpu.partitioner import WebGPUPartitioner
|
| 110 |
+
from executorch.exir import to_edge_transform_and_lower
|
| 111 |
+
|
| 112 |
+
return to_edge_transform_and_lower(
|
| 113 |
+
ep, partitioner=[WebGPUPartitioner()]
|
| 114 |
+
).to_executorch()
|
| 115 |
+
|
| 116 |
+
|
| 117 |
+
def lower_portable(ep):
|
| 118 |
+
from executorch.exir import to_edge_transform_and_lower
|
| 119 |
+
|
| 120 |
+
return to_edge_transform_and_lower(ep).to_executorch()
|
| 121 |
+
|
| 122 |
+
|
| 123 |
+
def delegate_summary(pte_bytes):
|
| 124 |
+
"""Non-delegated kernels and per-delegate op histograms of a serialized program."""
|
| 125 |
+
import collections
|
| 126 |
+
|
| 127 |
+
from executorch.backends.vulkan.serialization.vulkan_graph_serialize import (
|
| 128 |
+
extract_vk_flatbuffer,
|
| 129 |
+
flatbuffer_to_vk_graph,
|
| 130 |
+
)
|
| 131 |
+
from executorch.exir._serialize._program import deserialize_pte_binary
|
| 132 |
+
|
| 133 |
+
pte = deserialize_pte_binary(pte_bytes)
|
| 134 |
+
prog = pte.program if hasattr(pte, "program") else pte
|
| 135 |
+
seg_base = int.from_bytes(pte_bytes[24:32], "little")
|
| 136 |
+
plan = prog.execution_plan[0]
|
| 137 |
+
ops = [f"{o.name}.{o.overload}" for o in plan.operators]
|
| 138 |
+
kernels = collections.Counter()
|
| 139 |
+
for chain in plan.chains:
|
| 140 |
+
for ins in chain.instructions:
|
| 141 |
+
if type(ins.instr_args).__name__ == "KernelCall":
|
| 142 |
+
kernels[ops[ins.instr_args.op_index]] += 1
|
| 143 |
+
delegates = []
|
| 144 |
+
for d in plan.delegates:
|
| 145 |
+
proc = d.processed
|
| 146 |
+
if proc.location.name == "INLINE":
|
| 147 |
+
blob = prog.backend_delegate_data[proc.index].data
|
| 148 |
+
else:
|
| 149 |
+
seg = prog.segments[proc.index]
|
| 150 |
+
blob = pte_bytes[seg_base + seg.offset : seg_base + seg.offset + seg.size]
|
| 151 |
+
g = flatbuffer_to_vk_graph(extract_vk_flatbuffer(blob))
|
| 152 |
+
delegates.append(
|
| 153 |
+
{
|
| 154 |
+
"id": d.id,
|
| 155 |
+
"ops": dict(collections.Counter(c.name for c in g.chain)),
|
| 156 |
+
"inputs": len(g.input_ids),
|
| 157 |
+
"outputs": len(g.output_ids),
|
| 158 |
+
}
|
| 159 |
+
)
|
| 160 |
+
return {"non_delegated_kernels": dict(kernels), "delegates": delegates}
|
| 161 |
+
|
| 162 |
+
|
| 163 |
+
def compare(a, b):
|
| 164 |
+
a = np.asarray(a, dtype=np.float64).ravel()
|
| 165 |
+
b = np.asarray(b, dtype=np.float64).ravel()
|
| 166 |
+
n = min(a.size, b.size)
|
| 167 |
+
a, b = a[:n], b[:n]
|
| 168 |
+
cos = float(np.dot(a, b) / (np.linalg.norm(a) * np.linalg.norm(b) + 1e-30))
|
| 169 |
+
return {
|
| 170 |
+
"max_abs": float(np.max(np.abs(a - b))),
|
| 171 |
+
"mean_abs": float(np.mean(np.abs(a - b))),
|
| 172 |
+
"cosine": cos,
|
| 173 |
+
}
|
| 174 |
+
|
| 175 |
+
|
| 176 |
+
def run_pte(pte_bytes, inputs):
|
| 177 |
+
from executorch.extension.pybindings.portable_lib import (
|
| 178 |
+
_load_for_executorch_from_buffer,
|
| 179 |
+
)
|
| 180 |
+
|
| 181 |
+
m = _load_for_executorch_from_buffer(pte_bytes)
|
| 182 |
+
return [
|
| 183 |
+
o.detach().numpy() if isinstance(o, torch.Tensor) else o
|
| 184 |
+
for o in m.forward(inputs)
|
| 185 |
+
]
|
| 186 |
+
|
| 187 |
+
|
| 188 |
+
def try_run_webgpu_pte_on_cpu(pte_bytes, inputs):
|
| 189 |
+
try:
|
| 190 |
+
return run_pte(pte_bytes, inputs), None
|
| 191 |
+
except Exception as e: # noqa: BLE001 - the error text is the result
|
| 192 |
+
return None, f"{type(e).__name__}: {str(e).splitlines()[0][:300]}"
|
| 193 |
+
|
| 194 |
+
|
| 195 |
+
def export_vision(
|
| 196 |
+
*,
|
| 197 |
+
name,
|
| 198 |
+
model,
|
| 199 |
+
example_input,
|
| 200 |
+
out_dir,
|
| 201 |
+
upstream,
|
| 202 |
+
extra_recipe,
|
| 203 |
+
golden=None,
|
| 204 |
+
output_index=None,
|
| 205 |
+
):
|
| 206 |
+
"""Export, lower, write both .pte files, recipe.json, and validation.json.
|
| 207 |
+
|
| 208 |
+
`golden` is an optional (input ndarray, output ndarray) pair; when its input
|
| 209 |
+
shape matches `example_input`, all paths are also compared against it.
|
| 210 |
+
`output_index` picks one tensor when the eager model returns a tuple.
|
| 211 |
+
"""
|
| 212 |
+
out_dir = Path(out_dir)
|
| 213 |
+
out_dir.mkdir(parents=True, exist_ok=True)
|
| 214 |
+
torch.manual_seed(0)
|
| 215 |
+
model = model.eval()
|
| 216 |
+
|
| 217 |
+
class Wrapped(torch.nn.Module):
|
| 218 |
+
def __init__(self, m):
|
| 219 |
+
super().__init__()
|
| 220 |
+
self.m = m
|
| 221 |
+
|
| 222 |
+
def forward(self, x):
|
| 223 |
+
y = self.m(x)
|
| 224 |
+
return y[output_index] if output_index is not None else y
|
| 225 |
+
|
| 226 |
+
wrapped = Wrapped(model).eval()
|
| 227 |
+
with torch.no_grad():
|
| 228 |
+
ep = torch.export.export(wrapped, (example_input,), strict=False)
|
| 229 |
+
webgpu = lower_webgpu(ep)
|
| 230 |
+
portable = lower_portable(ep)
|
| 231 |
+
|
| 232 |
+
webgpu_path = out_dir / f"{name}_webgpu.pte"
|
| 233 |
+
portable_path = out_dir / f"{name}_portable.pte"
|
| 234 |
+
webgpu_path.write_bytes(webgpu.buffer)
|
| 235 |
+
portable_path.write_bytes(portable.buffer)
|
| 236 |
+
|
| 237 |
+
summary = delegate_summary(webgpu.buffer)
|
| 238 |
+
out_shape = list(ep.module()(example_input).shape)
|
| 239 |
+
recipe = {
|
| 240 |
+
"model": name,
|
| 241 |
+
"upstream": upstream,
|
| 242 |
+
"versions": versions(),
|
| 243 |
+
"export": {
|
| 244 |
+
"api": "torch.export.export(strict=False) -> to_edge_transform_and_lower(partitioner=[WebGPUPartitioner()]) -> to_executorch()",
|
| 245 |
+
"partitioner": "executorch.backends.webgpu.partitioner.WebGPUPartitioner() (default compile options; wraps VulkanPartitioner)",
|
| 246 |
+
"inputs": [
|
| 247 |
+
{
|
| 248 |
+
"shape": list(example_input.shape),
|
| 249 |
+
"dtype": "float32",
|
| 250 |
+
"layout": "NCHW",
|
| 251 |
+
}
|
| 252 |
+
],
|
| 253 |
+
"outputs": [{"shape": out_shape, "dtype": "float32"}],
|
| 254 |
+
"dtype": "float32",
|
| 255 |
+
"quantization": "none (fp32)",
|
| 256 |
+
**extra_recipe,
|
| 257 |
+
},
|
| 258 |
+
"files": {
|
| 259 |
+
webgpu_path.name: {
|
| 260 |
+
"bytes": webgpu_path.stat().st_size,
|
| 261 |
+
"sha256": sha256_file(webgpu_path),
|
| 262 |
+
},
|
| 263 |
+
portable_path.name: {
|
| 264 |
+
"bytes": portable_path.stat().st_size,
|
| 265 |
+
"sha256": sha256_file(portable_path),
|
| 266 |
+
"note": "CPU-only validation artifact (portable kernels, no delegate); not for release",
|
| 267 |
+
},
|
| 268 |
+
},
|
| 269 |
+
"graph": summary,
|
| 270 |
+
"command": command_line(out_dir),
|
| 271 |
+
}
|
| 272 |
+
(out_dir / "recipe.json").write_text(json.dumps(recipe, indent=2) + "\n")
|
| 273 |
+
|
| 274 |
+
# Validation on CPU.
|
| 275 |
+
gen = torch.Generator().manual_seed(1234)
|
| 276 |
+
rand_input = torch.rand(example_input.shape, generator=gen)
|
| 277 |
+
cases = {"random": rand_input}
|
| 278 |
+
if golden is not None and tuple(golden[0].shape) == tuple(example_input.shape):
|
| 279 |
+
cases["golden"] = torch.from_numpy(golden[0].copy())
|
| 280 |
+
report = {
|
| 281 |
+
"cpu_runtime": "executorch pybindings (portable_lib) from the pip wheel",
|
| 282 |
+
"cases": {},
|
| 283 |
+
}
|
| 284 |
+
webgpu_cpu_error = None
|
| 285 |
+
for label, x in cases.items():
|
| 286 |
+
with torch.no_grad():
|
| 287 |
+
eager = wrapped(x).numpy()
|
| 288 |
+
exported = ep.module()(x).numpy()
|
| 289 |
+
port = run_pte(portable.buffer, (x,))[0]
|
| 290 |
+
res = {
|
| 291 |
+
"exported_vs_eager": compare(exported, eager),
|
| 292 |
+
"portable_pte_vs_eager": compare(port, eager),
|
| 293 |
+
}
|
| 294 |
+
wg, err = try_run_webgpu_pte_on_cpu(webgpu.buffer, (x,))
|
| 295 |
+
if wg is not None:
|
| 296 |
+
res["webgpu_pte_vs_eager"] = compare(wg[0], eager)
|
| 297 |
+
else:
|
| 298 |
+
webgpu_cpu_error = err
|
| 299 |
+
if label == "golden":
|
| 300 |
+
ref = golden[1]
|
| 301 |
+
res["internal_golden_vs_eager"] = compare(eager, ref)
|
| 302 |
+
res["internal_golden_vs_portable_pte"] = compare(port, ref)
|
| 303 |
+
res["golden_note"] = (
|
| 304 |
+
"reference output from the internal goldens.manifest.json"
|
| 305 |
+
)
|
| 306 |
+
report["cases"][label] = res
|
| 307 |
+
report["webgpu_pte_on_cpu"] = (
|
| 308 |
+
"ran"
|
| 309 |
+
if webgpu_cpu_error is None
|
| 310 |
+
else f"not runnable on CPU pybindings: {webgpu_cpu_error}"
|
| 311 |
+
)
|
| 312 |
+
(out_dir / "validation.json").write_text(json.dumps(report, indent=2) + "\n")
|
| 313 |
+
print(
|
| 314 |
+
json.dumps(
|
| 315 |
+
{"recipe": recipe["files"], "graph": summary, "validation": report},
|
| 316 |
+
indent=2,
|
| 317 |
+
)
|
| 318 |
+
)
|
| 319 |
+
return ep, webgpu, portable
|
| 320 |
+
|
| 321 |
+
|
| 322 |
+
def load_golden(manifest_path, key):
|
| 323 |
+
man = json.loads(Path(manifest_path).read_text())[key]["tensors"]
|
| 324 |
+
base = Path(manifest_path).parent
|
| 325 |
+
|
| 326 |
+
def ld(t):
|
| 327 |
+
return np.fromfile(base / t["file"], dtype=np.float32).reshape(t["shape"])
|
| 328 |
+
|
| 329 |
+
inp = man.get("input")
|
| 330 |
+
return ld(inp), ld(man["output"])
|
export/depth-anything-v2-small.py
ADDED
|
@@ -0,0 +1,120 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
#!/usr/bin/env python3
|
| 2 |
+
"""Depth Anything V2 Small (Hugging Face transformers port) -> ExecuTorch WebGPU.
|
| 3 |
+
|
| 4 |
+
Upstream: depth-anything/Depth-Anything-V2-Small-hf (Apache-2.0; the Base and Large
|
| 5 |
+
variants are CC BY-NC 4.0 and must not be used here).
|
| 6 |
+
|
| 7 |
+
Input: [1, 3, 224, 224] float32 RGB, ImageNet-normalized outside the graph
|
| 8 |
+
((x / 255 - mean) / std, mean=(0.485, 0.456, 0.406), std=(0.229, 0.224, 0.225)).
|
| 9 |
+
Output: [1, 224, 224] relative inverse depth (`predicted_depth`).
|
| 10 |
+
"""
|
| 11 |
+
|
| 12 |
+
import argparse
|
| 13 |
+
import sys
|
| 14 |
+
from pathlib import Path
|
| 15 |
+
|
| 16 |
+
import torch
|
| 17 |
+
|
| 18 |
+
sys.path.insert(0, str(Path(__file__).resolve().parent))
|
| 19 |
+
import _common # noqa: E402
|
| 20 |
+
|
| 21 |
+
UPSTREAM = {
|
| 22 |
+
"repo": "depth-anything/Depth-Anything-V2-Small-hf",
|
| 23 |
+
"revision": "5426e4f0f36572d16453bbda7a8389317b1bef99",
|
| 24 |
+
}
|
| 25 |
+
|
| 26 |
+
|
| 27 |
+
class PredictedDepth(torch.nn.Module):
|
| 28 |
+
def __init__(self, m):
|
| 29 |
+
super().__init__()
|
| 30 |
+
self.m = m
|
| 31 |
+
|
| 32 |
+
def forward(self, pixel_values):
|
| 33 |
+
return self.m(pixel_values=pixel_values).predicted_depth
|
| 34 |
+
|
| 35 |
+
|
| 36 |
+
def freeze_position_embeddings(model, height, width):
|
| 37 |
+
"""Bake the bicubic-resized DINOv2 position embeddings for one input size into a buffer.
|
| 38 |
+
|
| 39 |
+
Traced live, the resize leaves lifted tensor constants and aten.arange nodes whose fake
|
| 40 |
+
tensors belong to a different FakeTensorMode, and the Vulkan preprocess passes fail on
|
| 41 |
+
them. The values are what the eager module computes for this size.
|
| 42 |
+
"""
|
| 43 |
+
import types
|
| 44 |
+
|
| 45 |
+
emb = model.m.backbone.embeddings
|
| 46 |
+
with torch.no_grad():
|
| 47 |
+
dummy = torch.zeros(1, (height // 14) * (width // 14) + 1, emb.position_embeddings.shape[-1])
|
| 48 |
+
frozen = emb.interpolate_pos_encoding(dummy, height, width).detach().clone()
|
| 49 |
+
emb.register_buffer("frozen_position_embeddings", frozen, persistent=False)
|
| 50 |
+
emb.interpolate_pos_encoding = types.MethodType(lambda self, e, h, w: self.frozen_position_embeddings, emb)
|
| 51 |
+
return model
|
| 52 |
+
|
| 53 |
+
|
| 54 |
+
def build_model(attn):
|
| 55 |
+
from transformers import AutoModelForDepthEstimation
|
| 56 |
+
from transformers.models.dinov2 import modeling_dinov2
|
| 57 |
+
|
| 58 |
+
# transformers 5.x materializes an all-zero additive mask for eager attention even
|
| 59 |
+
# without padding (arange/ge/where plus a CPU scalar_tensor in the graph). Images never
|
| 60 |
+
# pad, so drop it; outputs are unchanged.
|
| 61 |
+
create_mask = modeling_dinov2.create_bidirectional_mask
|
| 62 |
+
modeling_dinov2.create_bidirectional_mask = lambda **kw: (
|
| 63 |
+
None if kw.get("attention_mask") is None else create_mask(**kw)
|
| 64 |
+
)
|
| 65 |
+
|
| 66 |
+
model = AutoModelForDepthEstimation.from_pretrained(
|
| 67 |
+
UPSTREAM["repo"],
|
| 68 |
+
revision=UPSTREAM["revision"],
|
| 69 |
+
attn_implementation=attn,
|
| 70 |
+
torch_dtype=torch.float32,
|
| 71 |
+
)
|
| 72 |
+
return PredictedDepth(model.eval()).eval()
|
| 73 |
+
|
| 74 |
+
|
| 75 |
+
def main():
|
| 76 |
+
ap = argparse.ArgumentParser(description=__doc__.splitlines()[0])
|
| 77 |
+
ap.add_argument("--out", required=True, help="output directory")
|
| 78 |
+
ap.add_argument(
|
| 79 |
+
"--size",
|
| 80 |
+
type=int,
|
| 81 |
+
nargs=2,
|
| 82 |
+
default=[224, 224],
|
| 83 |
+
metavar=("H", "W"),
|
| 84 |
+
help="multiples of 14",
|
| 85 |
+
)
|
| 86 |
+
ap.add_argument(
|
| 87 |
+
"--attn",
|
| 88 |
+
default="eager",
|
| 89 |
+
choices=["eager", "sdpa"],
|
| 90 |
+
help="attention implementation traced into the graph",
|
| 91 |
+
)
|
| 92 |
+
ap.add_argument(
|
| 93 |
+
"--golden",
|
| 94 |
+
help="optional goldens.manifest.json to compare against (key: depth)",
|
| 95 |
+
)
|
| 96 |
+
args = ap.parse_args()
|
| 97 |
+
|
| 98 |
+
golden = _common.load_golden(args.golden, "depth") if args.golden else None
|
| 99 |
+
_common.export_vision(
|
| 100 |
+
name="depth_v2s",
|
| 101 |
+
model=freeze_position_embeddings(build_model(args.attn), *args.size),
|
| 102 |
+
example_input=torch.randn(1, 3, *args.size),
|
| 103 |
+
out_dir=args.out,
|
| 104 |
+
upstream={
|
| 105 |
+
"model": UPSTREAM["repo"],
|
| 106 |
+
"weights": {**UPSTREAM, "official": True},
|
| 107 |
+
"license": "Apache-2.0",
|
| 108 |
+
},
|
| 109 |
+
extra_recipe={
|
| 110 |
+
"attn_implementation": args.attn,
|
| 111 |
+
"graph_rewrites": ["transformers 5.x all-zero bidirectional attention mask skipped (attention_mask=None; no padding in images)", "DINOv2 position embeddings resized (bicubic, as upstream) for the fixed input size in eager and stored as a constant"],
|
| 112 |
+
"preprocessing_outside_graph": "RGB / 255, ImageNet mean/std normalization, resize to input size",
|
| 113 |
+
"postprocessing_outside_graph": "min-max normalize predicted_depth for display",
|
| 114 |
+
},
|
| 115 |
+
golden=golden,
|
| 116 |
+
)
|
| 117 |
+
|
| 118 |
+
|
| 119 |
+
if __name__ == "__main__":
|
| 120 |
+
main()
|
export/recipe.json
ADDED
|
@@ -0,0 +1,99 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
{
|
| 2 |
+
"model": "depth_v2s",
|
| 3 |
+
"upstream": {
|
| 4 |
+
"model": "depth-anything/Depth-Anything-V2-Small-hf",
|
| 5 |
+
"weights": {
|
| 6 |
+
"repo": "depth-anything/Depth-Anything-V2-Small-hf",
|
| 7 |
+
"revision": "5426e4f0f36572d16453bbda7a8389317b1bef99",
|
| 8 |
+
"official": true
|
| 9 |
+
},
|
| 10 |
+
"license": "Apache-2.0"
|
| 11 |
+
},
|
| 12 |
+
"versions": {
|
| 13 |
+
"python": "3.12.15+meta",
|
| 14 |
+
"torch": "2.14.1+cpu",
|
| 15 |
+
"torchao": "0.18.0+cpu",
|
| 16 |
+
"executorch": "1.5.1+cpu",
|
| 17 |
+
"executorch_git": "3b60683923245cf472b7323426920e15623ba361",
|
| 18 |
+
"transformers": "5.19.0",
|
| 19 |
+
"huggingface_hub": "2.2.0"
|
| 20 |
+
},
|
| 21 |
+
"export": {
|
| 22 |
+
"api": "torch.export.export(strict=False) -> to_edge_transform_and_lower(partitioner=[WebGPUPartitioner()]) -> to_executorch()",
|
| 23 |
+
"partitioner": "executorch.backends.webgpu.partitioner.WebGPUPartitioner() (default compile options; wraps VulkanPartitioner)",
|
| 24 |
+
"inputs": [
|
| 25 |
+
{
|
| 26 |
+
"shape": [
|
| 27 |
+
1,
|
| 28 |
+
3,
|
| 29 |
+
224,
|
| 30 |
+
224
|
| 31 |
+
],
|
| 32 |
+
"dtype": "float32",
|
| 33 |
+
"layout": "NCHW"
|
| 34 |
+
}
|
| 35 |
+
],
|
| 36 |
+
"outputs": [
|
| 37 |
+
{
|
| 38 |
+
"shape": [
|
| 39 |
+
1,
|
| 40 |
+
224,
|
| 41 |
+
224
|
| 42 |
+
],
|
| 43 |
+
"dtype": "float32"
|
| 44 |
+
}
|
| 45 |
+
],
|
| 46 |
+
"dtype": "float32",
|
| 47 |
+
"quantization": "none (fp32)",
|
| 48 |
+
"attn_implementation": "eager",
|
| 49 |
+
"graph_rewrites": [
|
| 50 |
+
"transformers 5.x all-zero bidirectional attention mask skipped (attention_mask=None; no padding in images)",
|
| 51 |
+
"DINOv2 position embeddings resized (bicubic, as upstream) for the fixed input size in eager and stored as a constant"
|
| 52 |
+
],
|
| 53 |
+
"preprocessing_outside_graph": "RGB / 255, ImageNet mean/std normalization, resize to input size",
|
| 54 |
+
"postprocessing_outside_graph": "min-max normalize predicted_depth for display"
|
| 55 |
+
},
|
| 56 |
+
"files": {
|
| 57 |
+
"depth_v2s_webgpu.pte": {
|
| 58 |
+
"bytes": 97307268,
|
| 59 |
+
"sha256": "285602ed3a34a26a4d9d36355ce978587ed555e68b6b5fa8a567c1155a3b5160"
|
| 60 |
+
},
|
| 61 |
+
"depth_v2s_portable.pte": {
|
| 62 |
+
"bytes": 97290408,
|
| 63 |
+
"sha256": "ce840e1c17ea65fcc52b7d8912dfe2d4d598350e3bdf6b8150f3d8c05d18423c",
|
| 64 |
+
"note": "CPU-only validation artifact (portable kernels, no delegate); not for release"
|
| 65 |
+
}
|
| 66 |
+
},
|
| 67 |
+
"graph": {
|
| 68 |
+
"non_delegated_kernels": {},
|
| 69 |
+
"delegates": [
|
| 70 |
+
{
|
| 71 |
+
"id": "VulkanBackend",
|
| 72 |
+
"ops": {
|
| 73 |
+
"et_vk.prepack.default": 39,
|
| 74 |
+
"aten.convolution.default": 24,
|
| 75 |
+
"aten.view_copy.default": 113,
|
| 76 |
+
"aten.permute_copy.default": 65,
|
| 77 |
+
"aten.clone.default": 7,
|
| 78 |
+
"aten.cat.default": 1,
|
| 79 |
+
"aten.add.Tensor": 35,
|
| 80 |
+
"aten.native_layer_norm.default": 28,
|
| 81 |
+
"aten.squeeze_copy.dims": 97,
|
| 82 |
+
"aten.linear.default": 72,
|
| 83 |
+
"aten.bmm.default": 24,
|
| 84 |
+
"aten.mul.Tensor": 37,
|
| 85 |
+
"aten._softmax.default": 12,
|
| 86 |
+
"aten.gelu.default": 12,
|
| 87 |
+
"aten.slice_copy.Tensor": 4,
|
| 88 |
+
"aten.relu.default": 7,
|
| 89 |
+
"et_vk.conv_with_clamp.default": 9,
|
| 90 |
+
"aten.upsample_bilinear2d.vec": 5,
|
| 91 |
+
"dim_order_ops._to_dim_order_copy.default": 1
|
| 92 |
+
},
|
| 93 |
+
"inputs": 1,
|
| 94 |
+
"outputs": 1
|
| 95 |
+
}
|
| 96 |
+
]
|
| 97 |
+
},
|
| 98 |
+
"command": "python recipes/depth-anything-v2-small.py --out out/depth-anything-v2-small"
|
| 99 |
+
}
|
export/requirements.txt
ADDED
|
@@ -0,0 +1,15 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Environment the re-exports in REEXPORT.md were produced with (Python 3.12, Linux x86_64, CPU only).
|
| 2 |
+
# python -m venv venv
|
| 3 |
+
# venv/bin/pip install -r recipes/requirements.txt --extra-index-url https://download.pytorch.org/whl/cpu
|
| 4 |
+
# executorch 1.5.1 = pytorch/executorch git 3b60683923245cf472b7323426920e15623ba361; its wheel ships
|
| 5 |
+
# backends/webgpu (WebGPUPartitioner) and examples/models/llama (export_llm).
|
| 6 |
+
executorch==1.5.1
|
| 7 |
+
torch==2.14.1+cpu
|
| 8 |
+
torchvision==0.29.1+cpu
|
| 9 |
+
torchao==0.18.0+cpu
|
| 10 |
+
transformers==5.19.0
|
| 11 |
+
huggingface_hub==2.2.0
|
| 12 |
+
safetensors==0.8.0
|
| 13 |
+
tokenizers==0.23.3
|
| 14 |
+
numpy==2.5.4
|
| 15 |
+
pillow==12.3.0
|
manifest.json
ADDED
|
@@ -0,0 +1,11 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
{
|
| 2 |
+
"model": "depth-anything-v2-small",
|
| 3 |
+
"repo": "executorch-community/Depth-Anything-V2-Small-ExecuTorch-WebGPU",
|
| 4 |
+
"files": [
|
| 5 |
+
{
|
| 6 |
+
"path": "depth_v2s_webgpu.pte",
|
| 7 |
+
"bytes": 97307268,
|
| 8 |
+
"sha256": "285602ed3a34a26a4d9d36355ce978587ed555e68b6b5fa8a567c1155a3b5160"
|
| 9 |
+
}
|
| 10 |
+
]
|
| 11 |
+
}
|