File size: 20,095 Bytes
13c5606
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
#!/bin/bash
# Unified eval driver for the Nemotron-Labs diffusion-LM family.
# One SLURM job per (mode, benchmark). See --help for full usage.

set -euo pipefail

# ─── Paths / defaults ───────────────────────────────────────────────────────
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_DIR="$SCRIPT_DIR"
export PIPELINE_PRESET_OVERRIDE="${PIPELINE_PRESET_OVERRIDE:-$PROJECT_DIR/xp/examples/run_dlm_eval_pipeline_gpu_only.sh}"

# ─── Default cache + output paths ──────────────────────────────────────────
# All paths below are env-overridable (export HF_HOME=..., OUT_DIR=..., etc.
# to point at cluster-specific locations).
_DEFAULT_CACHE="$HOME/.cache/huggingface"
_DEFAULT_OUT_DIR="$PWD/eval_suit_results"
_DEFAULT_HF_TOKEN_FILE=""

# ─── HF / SLURM secrets ─────────────────────────────────────────────────────
HF_TOKEN_FILE="${HF_TOKEN_FILE:-$_DEFAULT_HF_TOKEN_FILE}"
if [[ -z "${HF_TOKEN:-}" && -n "$HF_TOKEN_FILE" && -f "$HF_TOKEN_FILE" ]]; then
    export HF_TOKEN="$(<"$HF_TOKEN_FILE")"
fi
export HUGGING_FACE_HUB_TOKEN="${HUGGING_FACE_HUB_TOKEN:-${HF_TOKEN:-}}"

export PIP_CACHE_DIR="${PIP_CACHE_DIR:-$_DEFAULT_CACHE}"
export HF_DATASETS_CACHE="${HF_DATASETS_CACHE:-$_DEFAULT_CACHE}"
export TRANSFORMERS_CACHE="${TRANSFORMERS_CACHE:-$_DEFAULT_CACHE}"
export HF_HOME="${HF_HOME:-$_DEFAULT_CACHE}"
# Note: mkdir -p "$HF_HOME" is deferred until after the --help/--dry-run
# short-circuit so help commands stay side-effect-free.

# Pick a container image. LoRA needs peft, which only PEFT_IMAGE ships;
# eval.sh auto-promotes to it when USE_LORA=true (re-evaluated post-CLI-parse).
# Optional pre-baked container images for srun/enroot. Leave all three unset
# and use evaluate.py instead if you don't already have a NeMo-Skills-ready
# .sqsh on disk. eval.sh's _pick_container_image picks the first one that
# exists; setting CONTAINER_IMAGE directly is the simplest override.
PEFT_IMAGE="${PEFT_IMAGE:-}"       # ships peft β€” needed for --lora
PREBAKED_IMAGE="${PREBAKED_IMAGE:-}"   # prebuilt NeMo-Skills image
OLD_IMAGE="${OLD_IMAGE:-}"         # any image that can run NeMo-Skills + DLM workers
# Best-effort container-image pick. Non-fatal: --help and --dry-run must
# still work on machines that do not have prebuilt .sqsh images on
# disk. The strict (errors-out) check happens after CLI parsing, only on
# real submission paths.
_pick_container_image() {
    # caller arg $1: true=need PEFT (LoRA path), anything else=default order
    if [[ "${1:-}" == "true" && -f "$PEFT_IMAGE" ]]; then
        export CONTAINER_IMAGE="$PEFT_IMAGE"
    elif [[ -f "$PREBAKED_IMAGE" ]]; then
        export CONTAINER_IMAGE="$PREBAKED_IMAGE"
    elif [[ -f "$OLD_IMAGE" ]]; then
        export CONTAINER_IMAGE="$OLD_IMAGE"
    fi
    # Empty CONTAINER_IMAGE is OK here β€” _require_container_image gates the
    # actual submission.
}
_require_container_image() {
    if [[ -z "${CONTAINER_IMAGE:-}" || ! -f "${CONTAINER_IMAGE}" ]]; then
        echo "" >&2
        echo "ERROR: no container image available for srun submission." >&2
        echo "Either:" >&2
        echo "  (a) use the no-server path:  python evaluate.py --mode ... --tasks gsm8k" >&2
        echo "                               (pip install torch transformers datasets peft)" >&2
        echo "  (b) export CONTAINER_IMAGE=<path-to-your-image.sqsh> before re-running." >&2
        echo "" >&2
        exit 1
    fi
}
if [[ -z "${CONTAINER_IMAGE:-}" ]]; then
    # Provisional pick (no LoRA info yet); re-evaluated after CLI parse.
    _pick_container_image "false"
fi

# ─── Default model / tokenizer ─────────────────────────────────────────────
DEFAULT_MODEL="nvidia/Nemotron-Labs-Diffusion-8B"
# Empty = use the tokenizer bundled with --model on HF.
DEFAULT_TOKENIZER=""

# Per-mode defaults β€” only what actually differs per mode. Shared values
# (tokens=8192, steps=8192, max_thinking=6000, batch_size=1, gpus=8,
# temperature=0) are hoisted into DEF_* once.
DEF_TOKENS="8192"; DEF_STEPS="8192"; DEF_MAX_THINKING="6000"
DEF_BATCH_SIZE="1"; DEF_GPUS="8"; DEF_TEMPERATURE="0"

default_mode_settings() {
    case "$1" in
        dlm)
            # DEF_ENGINE="" -> dlm_batch_server defaults to nemotron.
            DEF_ENGINE=""; DEF_GEN_ALGO="nemotron"
            DEF_MAX_MODEL_LEN="20480"; DEF_MAX_POS_EMB="262144"
            DEF_BLOCK_LENGTH="8"; DEF_THRESHOLD="0.9"
            DEF_MODEL_TAG="nemotron-labs-diffusion-8b"
            ;;
        ar)
            DEF_ENGINE="ar_native"; DEF_GEN_ALGO="ar_native"
            DEF_MAX_MODEL_LEN="65536"; DEF_MAX_POS_EMB=""
            DEF_BLOCK_LENGTH="1"; DEF_THRESHOLD=""
            DEF_MODEL_TAG="nemotron-labs-diffusion-8b"
            ;;
        linear_spec)
            DEF_ENGINE=""; DEF_GEN_ALGO="nemotron"
            DEF_MAX_MODEL_LEN="20480"; DEF_MAX_POS_EMB="262144"
            DEF_BLOCK_LENGTH="32"; DEF_THRESHOLD="0"
            DEF_MODEL_TAG="nemotron-labs-diffusion-8b"
            ;;
        *)
            echo "ERROR: unknown mode '$1' (must be dlm|ar|linear_spec)" >&2
            exit 1
            ;;
    esac
}

# ─── CLI parsing ────────────────────────────────────────────────────────────
usage() {
    cat <<EOF
Usage: $0 --mode {dlm|ar|linear_spec} [options]

Required:
  --mode MODE              Generation mode: dlm | ar | linear_spec

Model:
  --model HF_ID            HuggingFace model id (default: $DEFAULT_MODEL)
  --tokenizer ID_OR_PATH   Tokenizer (HF id or directory). Default: model's own tokenizer.
  --exp-name NAME          Experiment name / subdir under EVAL_BASE_DIR
                           (default: auto-derived from mode + model + key knobs)

LoRA (linear_spec only β€” silently ignored elsewhere):
  --lora                   Attach LoRA adapter (LORA_PATH must be set / passed)
  --no-lora                Run without LoRA (default)
  --lora-path PATH         LoRA adapter directory
                           (default: \$PROJECT_DIR/miscs/linear_spec_lora β€” the
                           adapter bundled in the public HF model repo)
  --draft-lora-only BOOL   Pass --draft-lora-only to worker (default: false;
                           the refactored public model has a unified
                           LoRA-aware linear_spec_generate, no *_lora variant)


Generation knobs (defaults vary per --mode):
  --benchmarks LIST        Comma-separated "name:reps" pairs
                           (default: "gsm8k:1,human-eval:1,mbpp:1,math-500:1,
                                      aime24:1,aime25:1,gpqa:1,mmlu:1,ifeval:1,
                                      livecodebench-cpp:1")
  --tokens N               SEQ_EVAL_TOKENS_TO_GENERATE
  --steps N                SEQ_EVAL_STEPS
  --block-length N         SEQ_EVAL_BLOCK_LENGTH
  --threshold V            SEQ_EVAL_THRESHOLD
  --temperature V          SEQ_EVAL_TEMPERATURE
  --max-thinking-tokens N  SEQ_EVAL_MAX_THINKING_TOKENS
  --max-model-len N        SERVER_MAX_MODEL_LEN
  --max-pos-emb N          SERVER_MAX_POSITION_EMBEDDINGS
  --batch-size N           SERVER_BATCH_SIZE
  --enable-thinking BOOL   Enable model "thinking" mode (default: false)
  --no-eos-early-stop      Disable SERVER_EOS_EARLY_STOP (default: enabled)

SLURM:
  --gpus N                 GPUs per job (default per-mode)
  --partition LIST         SLURM partition (default: batch,backfill)
  --account ACCT           SLURM account (required for srun submissions)
  --time HH:MM:SS          SLURM time limit (default: 04:00:00)

Output:
  --out-dir DIR            EVAL_BASE_DIR (default:
                           default: $PWD/eval_suit_results)

Misc:
  --dry-run                Print resolved settings, do not submit jobs
  -h, --help               Show this help

Examples:
  # quick gsm8k sanity check, dlm mode
  bash $0 --mode dlm --benchmarks gsm8k:1

  # AR mode on a different model
  bash $0 --mode ar --model nvidia/Nemotron-Labs-Diffusion-8B --benchmarks gsm8k:1

  # linear self-spec WITH LoRA
  bash $0 --mode linear_spec --lora --benchmarks gsm8k:1

EOF
}

MODE=""
MODEL=""
TOKENIZER=""
EXP_NAME=""
USE_LORA=""
LORA_PATH_ARG=""
DRAFT_LORA_ONLY_ARG="false"
BENCHMARKS_LIST=""
TOKENS_ARG=""
STEPS_ARG=""
BLOCK_LENGTH_ARG=""
THRESHOLD_ARG=""
TEMPERATURE_ARG=""
MAX_THINKING_ARG=""
MAX_MODEL_LEN_ARG=""
MAX_POS_EMB_ARG=""
BATCH_SIZE_ARG=""
ENABLE_THINKING="false"
EOS_EARLY_STOP="true"
GPUS_ARG=""
PARTITION="${SERVER_PARTITION:-batch,backfill}"
ACCOUNT_ARG="${ACCOUNT:-}"
TIME_ARG="${SERVER_TIME:-04:00:00}"
OUT_DIR="${OUT_DIR:-}"  # honour env-injected OUT_DIR; --out-dir overrides
DRY_RUN=false

while [[ $# -gt 0 ]]; do
    case "$1" in
        --mode)               MODE="$2"; shift 2 ;;
        --model)              MODEL="$2"; shift 2 ;;
        --tokenizer)          TOKENIZER="$2"; shift 2 ;;
        --exp-name)           EXP_NAME="$2"; shift 2 ;;
        --lora)               USE_LORA="true"; shift 1 ;;
        --no-lora)            USE_LORA="false"; shift 1 ;;
        --lora-path)          LORA_PATH_ARG="$2"; shift 2 ;;
        --draft-lora-only)    DRAFT_LORA_ONLY_ARG="$2"; shift 2 ;;
        --benchmarks)         BENCHMARKS_LIST="$2"; shift 2 ;;
        --tokens)             TOKENS_ARG="$2"; shift 2 ;;
        --steps)              STEPS_ARG="$2"; shift 2 ;;
        --block-length)       BLOCK_LENGTH_ARG="$2"; shift 2 ;;
        --threshold)          THRESHOLD_ARG="$2"; shift 2 ;;
        --temperature)        TEMPERATURE_ARG="$2"; shift 2 ;;
        --max-thinking-tokens) MAX_THINKING_ARG="$2"; shift 2 ;;
        --max-model-len)      MAX_MODEL_LEN_ARG="$2"; shift 2 ;;
        --max-pos-emb)        MAX_POS_EMB_ARG="$2"; shift 2 ;;
        --batch-size)         BATCH_SIZE_ARG="$2"; shift 2 ;;
        --enable-thinking)    ENABLE_THINKING="$2"; shift 2 ;;
        --no-eos-early-stop)  EOS_EARLY_STOP="false"; shift 1 ;;
        --gpus)               GPUS_ARG="$2"; shift 2 ;;
        --partition)          PARTITION="$2"; shift 2 ;;
        --account)            ACCOUNT_ARG="$2"; shift 2 ;;
        --time)               TIME_ARG="$2"; shift 2 ;;
        --out-dir)            OUT_DIR="$2"; shift 2 ;;
        --dry-run)            DRY_RUN=true; shift 1 ;;
        -h|--help)            usage; exit 0 ;;
        *) echo "ERROR: unknown option: $1" >&2; usage; exit 1 ;;
    esac
done

if [[ -z "$MODE" ]]; then
    echo "ERROR: --mode is required" >&2
    usage
    exit 1
fi

default_mode_settings "$MODE"

# ─── Resolve final values (CLI > defaults) ─────────────────────────────────
MODEL="${MODEL:-$DEFAULT_MODEL}"
TOKENIZER="${TOKENIZER:-$DEFAULT_TOKENIZER}"
TOKENS="${TOKENS_ARG:-$DEF_TOKENS}"
STEPS="${STEPS_ARG:-$DEF_STEPS}"
BLOCK_LENGTH="${BLOCK_LENGTH_ARG:-$DEF_BLOCK_LENGTH}"
THRESHOLD="${THRESHOLD_ARG:-$DEF_THRESHOLD}"
TEMPERATURE="${TEMPERATURE_ARG:-$DEF_TEMPERATURE}"
MAX_THINKING="${MAX_THINKING_ARG:-$DEF_MAX_THINKING}"
MAX_MODEL_LEN="${MAX_MODEL_LEN_ARG:-$DEF_MAX_MODEL_LEN}"
MAX_POS_EMB="${MAX_POS_EMB_ARG:-$DEF_MAX_POS_EMB}"
BATCH_SIZE="${BATCH_SIZE_ARG:-$DEF_BATCH_SIZE}"
GPUS="${GPUS_ARG:-$DEF_GPUS}"
OUT_DIR="${OUT_DIR:-$_DEFAULT_OUT_DIR}"
# realpath -m is allow-missing: resolves the canonical path even if the
# directory does not exist yet (so --dry-run stays side-effect-free).
# The actual mkdir is deferred until after the dry-run early exit below.
if command -v realpath >/dev/null; then OUT_DIR="$(realpath -m "$OUT_DIR")"; fi

DEFAULT_BENCHMARKS="gsm8k:1,human-eval:1,mbpp:1,math-500:1,aime24:1,aime25:1,gpqa:1,mmlu:1,ifeval:1,livecodebench-cpp:1"
BENCHMARKS_LIST="${BENCHMARKS_LIST:-$DEFAULT_BENCHMARKS}"
IFS=',' read -ra BENCHMARK_GROUPS <<< "$BENCHMARKS_LIST"

# LoRA
if [[ "$MODE" == "linear_spec" ]]; then
    USE_LORA="${USE_LORA:-false}"
    if [[ "$USE_LORA" == "true" ]]; then
        LORA_PATH_FINAL="${LORA_PATH_ARG:-$PROJECT_DIR/miscs/linear_spec_lora}"
        if [[ ! -d "$LORA_PATH_FINAL" ]]; then
            echo "ERROR: --lora requested but LoRA dir not found: $LORA_PATH_FINAL" >&2
            exit 1
        fi
    else
        LORA_PATH_FINAL=""
    fi
else
    USE_LORA="false"
    LORA_PATH_FINAL=""
fi

# Re-pick container now that USE_LORA is known. LoRA needs PEFT, which only
# the PEFT_IMAGE ships pre-installed; without it the worker errors out on load.
_pick_container_image "$USE_LORA"
# Strict checks: real submissions need a valid image and a SLURM account.
# Dry-run stays permissive so users can preview settings on any host.
if [[ "$DRY_RUN" != true ]]; then
    _require_container_image
    if [[ -z "$ACCOUNT_ARG" ]]; then
        echo "" >&2
        echo "ERROR: SLURM account required for real submissions." >&2
        echo "Set --account <your-slurm-account> (or export ACCOUNT=...)." >&2
        echo "" >&2
        exit 1
    fi
    mkdir -p "$OUT_DIR" "$HF_HOME"
fi

# Experiment name (auto-derived if not set)
auto_exp_name() {
    local m_safe="${MODEL//\//__}"
    local base="${m_safe}_${MODE}"
    base+="_tok${TOKENS}_blk${BLOCK_LENGTH}_temp${TEMPERATURE}"
    if [[ "$MODE" == "linear_spec" && "$USE_LORA" == "true" ]]; then
        base+="_lora_$(basename "$LORA_PATH_FINAL")"
        if [[ "$DRAFT_LORA_ONLY_ARG" == "true" || "$DRAFT_LORA_ONLY_ARG" == "1" || "$DRAFT_LORA_ONLY_ARG" == "yes" ]]; then
            base+="_draft_only"
        fi
    fi
    if [[ -n "$THRESHOLD" ]]; then
        base+="_thr${THRESHOLD}"
    fi
    echo "$base"
}
if [[ -z "$EXP_NAME" ]]; then
    EXP_NAME="$(auto_exp_name)"
fi

# ─── Print summary ─────────────────────────────────────────────────────────
echo "================================================================"
echo "  Unified eval β€” mode: $MODE"
echo "================================================================"
echo "  Model:            $MODEL"
echo "  Tokenizer:        ${TOKENIZER:-(model default)}"
echo "  Exp name:         $EXP_NAME"
echo "  Engine:           ${DEF_ENGINE:-(auto)}"
echo "  Gen algorithm:    $DEF_GEN_ALGO"
echo "  Max model len:    $MAX_MODEL_LEN"
echo "  Max pos emb:      ${MAX_POS_EMB:-(unset)}"
echo "  Block length:     $BLOCK_LENGTH"
echo "  Threshold:        $THRESHOLD"
echo "  Temperature:      $TEMPERATURE"
echo "  Tokens to gen:    $TOKENS"
echo "  Diff. steps:      $STEPS"
echo "  Max thinking:     $MAX_THINKING"
echo "  Batch size:       $BATCH_SIZE"
echo "  Enable thinking:  $ENABLE_THINKING"
echo "  EOS early stop:   $EOS_EARLY_STOP"
echo "  Linear spec:      $([[ "$MODE" == linear_spec ]] && echo true || echo "(off)")"
if [[ "$MODE" == "linear_spec" ]]; then
    echo "  LoRA:             $USE_LORA"
    echo "  LoRA path:        ${LORA_PATH_FINAL:-(none)}"
    echo "  Draft LoRA only:  $DRAFT_LORA_ONLY_ARG"
fi
echo "  GPUs / job:       $GPUS"
echo "  Partition:        $PARTITION"
echo "  Account:          $ACCOUNT_ARG"
echo "  Time:             $TIME_ARG"
echo "  Container image:  ${CONTAINER_IMAGE:-(unset β€” set CONTAINER_IMAGE or use evaluate.py)}"
echo "  Output base:      $OUT_DIR"
echo "  Benchmarks:       ${BENCHMARK_GROUPS[*]}"
echo "================================================================"
echo ""

if [[ "$DRY_RUN" == true ]]; then
    echo "[dry-run] Settings printed above. No jobs submitted."
    exit 0
fi

# ─── Common env vars (read by the GPU-only DLM pipeline preset) ────────────
export ACCOUNT="$ACCOUNT_ARG"
export SERVER_PARTITION="$PARTITION"
export SERVER_TIME="$TIME_ARG"
export SERVER_GPUS="$GPUS"
export SERVER_BATCH_SIZE="$BATCH_SIZE"

# HF-direct: SERVER_BASE_MODEL drives chat-template lookup; SERVER_MODEL_PATH
# is forwarded as `--model-path` to the worker (no DCP overlay). Setting both
# to the same HF id mirrors the HF-direct codepath.
export SERVER_BASE_MODEL="$MODEL"
export SERVER_MODEL_PATH="$MODEL"
export SERVER_DCP_PATH=""
export SERVER_TOKENIZER="$TOKENIZER"

if [[ -n "$DEF_ENGINE" ]]; then
    export SERVER_ENGINE="$DEF_ENGINE"
else
    unset SERVER_ENGINE 2>/dev/null || true
fi
if [[ -n "$MAX_POS_EMB" ]]; then
    export SERVER_MAX_POSITION_EMBEDDINGS="$MAX_POS_EMB"
else
    unset SERVER_MAX_POSITION_EMBEDDINGS 2>/dev/null || true
fi
export SERVER_MAX_MODEL_LEN="$MAX_MODEL_LEN"
export SERVER_ENABLE_THINKING="$ENABLE_THINKING"
export SERVER_EOS_EARLY_STOP="$EOS_EARLY_STOP"

# Linear-spec flags (consumed by the worker and the eval client)
if [[ "$MODE" == "linear_spec" ]]; then
    export LINEAR_SPECULATION="true"
else
    unset LINEAR_SPECULATION 2>/dev/null || true
fi
if [[ -n "$LORA_PATH_FINAL" ]]; then
    export LORA_PATH="$LORA_PATH_FINAL"
    export SERVER_LORA_PATH="$LORA_PATH_FINAL"
    export DRAFT_LORA_ONLY="$DRAFT_LORA_ONLY_ARG"
else
    unset LORA_PATH SERVER_LORA_PATH DRAFT_LORA_ONLY 2>/dev/null || true
fi

export SEQ_EVAL_GENERATION_ALGORITHM="$DEF_GEN_ALGO"
export SEQ_EVAL_TOKENS_TO_GENERATE="$TOKENS"
export SEQ_EVAL_STEPS="$STEPS"
export SEQ_EVAL_BLOCK_LENGTH="$BLOCK_LENGTH"
export SEQ_EVAL_TEMPERATURE="$TEMPERATURE"
export SEQ_EVAL_MAX_THINKING_TOKENS="$MAX_THINKING"

# `--strip-thinking` is only meaningful when thinking is on (see legacy scripts).
STRIP_THINKING_ARG=""
if [[ "$ENABLE_THINKING" == "true" ]]; then
    STRIP_THINKING_ARG="--strip-thinking"
fi
export SEQ_EVAL_EXTRA_ARGS="--model $DEF_MODEL_TAG ${STRIP_THINKING_ARG}"

# ─── Sweep loop ────────────────────────────────────────────────────────────
EVAL_DIR_NAME="eval_$(date +%Y%m%d_%H%M%S)"
LAUNCH_COUNT=0
PIPELINE_LOG_DIRS=()

submit_one_benchmark() {
    local benchmark="$1"
    local group_idx="$2"
    local exp_name="$3"

    local eval_outdir="$OUT_DIR/${exp_name}"
    local checkpoint_name="hf_base"
    local eval_job_dir="$eval_outdir/$checkpoint_name/$EVAL_DIR_NAME"
    mkdir -p "$eval_job_dir"
    PIPELINE_LOG_DIRS+=("$eval_outdir/$checkpoint_name/")

    local file_tag="_group${group_idx}"
    local server_info_file="$eval_job_dir/server_info${file_tag}.env"
    if command -v realpath &>/dev/null; then
        server_info_file="$(realpath -m "$server_info_file")"
    fi
    local eval_output_dir="$eval_job_dir/results"
    local eval_log_file="$eval_job_dir/pipeline${file_tag}.log"
    local nfe_dir="$eval_job_dir/nfe${file_tag}"
    mkdir -p "$nfe_dir"

    export EVAL_OUTPUT_DIR="$eval_output_dir"
    export SEQ_EVAL_OUTPUT_DIR="$eval_output_dir"
    export SERVER_INFO_FILE="$server_info_file"
    export NFE_LOG_DIR="$nfe_dir"
    export SEQ_EVAL_EXPNAME="$checkpoint_name"
    export SEQ_EVAL_BENCHMARK="$benchmark"
    export PIPELINE_LOG_FILE="$eval_log_file"
    export EVAL_JOB_DIR="$eval_job_dir"
    export PIPELINE_FILE_TAG="$file_tag"

    echo "==> Launching: mode=$MODE  exp=$exp_name  bench=$benchmark"
    if "$PIPELINE_PRESET_OVERRIDE" 2>&1 | tee -a "$eval_log_file"; then
        echo "[ok] submitted: $exp_name :: $benchmark"
    else
        echo "[fail] submission failed: $exp_name :: $benchmark" >&2
    fi
    LAUNCH_COUNT=$((LAUNCH_COUNT + 1))
}

if [[ -n "$THRESHOLD" ]]; then
    export SEQ_EVAL_THRESHOLD="$THRESHOLD"
else
    unset SEQ_EVAL_THRESHOLD 2>/dev/null || true
fi
for g in "${!BENCHMARK_GROUPS[@]}"; do
    submit_one_benchmark "${BENCHMARK_GROUPS[$g]}" "$g" "$EXP_NAME"
done

echo ""
echo "Submitted $LAUNCH_COUNT GPU eval job(s) for mode=$MODE."
echo "Eval dir name (per experiment): $EVAL_DIR_NAME"
echo ""
echo "Pipeline log locations:"
printf '  %s\n' "${PIPELINE_LOG_DIRS[@]}" | awk '!seen[$0]++'