[https://nvbugs/6647349][fix] Replace FuzzyWuzzy with RapidFuzz - #18201
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Signed-off-by: Fanrong Li <23290157+lfr-0531@users.noreply.github.com>
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WalkthroughLongBench replaces FuzzyWuzzy with RapidFuzz dependencies. A temporary compatibility context supports imports that still expect FuzzyWuzzy during metric loading and evaluator initialization. ChangesLongBench RapidFuzz migration
Estimated code review effort: 2 (Simple) | ~15 minutes Merge Risk: 🟡 Moderate · up to The dependency replacement can change LongBench scores for lcc and repobench-p, making results incomparable with existing benchmarks. Merge should wait for compatibility preservation, updated documented baselines, or explicit owner acceptance of the changed scoring behavior. Suggested reviewers: 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 50.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 4 functions across 2 files. (3 skipped: 3 unsupported.) ✨ Finishing Touches🧪 Generate unit tests (beta)
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In `@tensorrt_llm/evaluate/lm_eval.py`:
- Around line 85-92: Update the fuzzywuzzy compatibility shim used by
LongBenchV1 so its ratio behavior matches the legacy SequenceMatcher-based
integer scorer expected by code_sim_score for lcc and repobench-p, rather than
exposing RapidFuzz’s normalized float result; preserve the existing scorer
semantics and baselines.
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- Push a commit to this branch (recommended)
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⛔ Files ignored due to path filters (1)
security_scanning/examples/longbench/poetry.lockis excluded by!**/*.lock
📒 Files selected for processing (5)
examples/longbench/eval_longbench_v1.pyexamples/longbench/requirements.txtrequirements-dev.txtsecurity_scanning/examples/longbench/pyproject.tomltensorrt_llm/evaluate/lm_eval.py
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…e and the sparsity-0.0 control The waived row is target_sparsity=0.5 + FP8 KV. Measuring the sibling target_sparsity=0.0 row on unmodified main (b460237, DGX H200, TP4/EP4, attention DP) shows it misses by the same margin: target_sparsity=0.0 FP8 KV -> 38.796 (reference 47.650, threshold 45.962) target_sparsity=0.5 FP8 KV -> 38.201 (reference 46.559, threshold 44.871) The 0.0 row passes threshold_scale_factor {prefill: 0.0, decode: 0.0}, and FusedMHARunnerV2::setupLaunchParams gates enableSkipSoftmax on skipSoftmaxThresholdScaleFactor > 0, so on that row the skip-softmax kernels are never enabled -- yet it is short by the same ~7 points. Turning the feature off changes nothing, so the deficit is not in the skip-softmax kernels and the per-row thresholds are not miscalibrated. Their subgroup profiles also agree within 2.3 points on all six subgroups. In the same run longbench_passage_retrieval_en scores 98.5 and passage_retrieval_zh 93.5 over the same 2k-32k prompts, so long-context attention and the FP8 KV cache are healthy. The gap is concentrated in Code Completion (18.96; lcc 15.05, repobench-p 22.86), whose code_sim_score keeps only the first output line without a backtick/#/// and compares it to a raw next-line-of-code ground truth. Two candidate causes are ruled out by direct measurement rather than inspection: replacing fuzzywuzzy with rapidfuzz (NVIDIA#18201) moves code_sim_score by +0.019/+0.021 over the real lcc and repobench-p ground truths -- the wrong direction and far too small -- and that commit is an ancestor of neither the last-passing nor the first-failing build; and get_chat_template_kwargs' inert here because enable_thinking does not appear in this model's chat template. Every value in this file was cut in 5e1a98e (2026-04-11) and never re-measured, with 2939 commits between that cut and this bug's own last-passing build, while its regression window contains no commits under cpp/kernels/fmha_v2/. Record that provenance and the control measurement in the file so the next reader does not re-derive it, and note that re-cutting needs multiple runs per row. No accuracy value or threshold is changed and the waiver stays in place: the test still fails, and the owner needs to decide between re-cutting these references and investigating the Code Completion scorer. Signed-off-by: trtllm-agent <296075020+trtllm-agent@users.noreply.github.com>
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Dev Engineer Review
FuzzyWuzzywithRapidFuzz 3.14.5in LongBench and development requirements.fuzzywuzzy.QA Engineer Review
No test changes.
Description
LongBench evaluation currently relies on FuzzyWuzzy through both lm-evaluation-harness and the standalone LongBench example. Both metric implementations import
fuzzywuzzy.fuzzdirectly while only usingfuzz.ratio.Replace FuzzyWuzzy with RapidFuzz 3.14.5 and provide a scoped compatibility module while the third-party LongBench metrics are loaded. Update the development and example requirements together with the generated security-scanning lock files.
Test Coverage
pre-commit run --all-filespoetry check --lockinsecurity_scanning/examples/longbenchfuzzfrom RapidFuzz 3.14.5PR Checklist
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