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torch.compile (inductor)

LSTM · batch_size = 10 · input_size = 128 · sequence_length = 512 · fp32 · run 01a03f0e-f6f0…
●passedReported evidence

Not re-observed recently.

Primary measurement
37.4ms±0.26 · mean of 100

Rank 2 in its comparison group · source-native comparison · observed 2026-03-05

Compare with #1 →

max ms 39.4 · min ms 36 · std ms 1.34 · mean ms 37.4

Identity
implementationtorch.compile (inductor)
projectPyTorch
revisionunknown
workloadbatch_size = 10 · input_size = 128 · sequence_length = 512 · fp32
comparison keysha256:6ad2f4a44b201062…
sourceKernelBench baseline timings
external idH100_Modal/torch-compile-inductor/level3/35_LSTM.py
sha256:c90793557ce74839a2480b5…

Correctness

Marked passed by the source; the correctness policy was not published.

Workload

batch_size10
input_size128
sequence_length512
input_1fp32 [10, 512, 128]
definition comparatornot_asserted

Measurements

latency · max39.4 ms · n=100
latency · mean37.4 ms · n=100
latency · min36.0 ms · n=100
latency · std1.34 ms

Protocol

harnessKernelBench timing scripts
timercuda_events
primaryStatisticmean
comparabilityFamilykernelbench_baseline_timing

Environment

gpuNVIDIA H100 (sm_90)

Artifacts

No artifacts published with this run.

Replications and notes

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Canonical manifest

Show manifest
{
  "run": {
    "kind": "BenchmarkRun",
    "spec": {
      "status": "passed",
      "timing": {
        "samples": 100,
        "latencyNs": {
          "mean": 37400000,
          "maximum": 39400000,
          "minimum": 36000000,
          "confidence95": [
            37137360,
            37662640
          ]
        },
        "primaryStatistic": "mean"
      },
      "observedAt": "2026-03-05T08:38:15.000Z",
      "measurements": [
        {
          "unit": "ns",
          "value": 1340000,
          "metric": "latency",
          "statistic": "std"
        }
      ],
      "sourceNative": {
        "source": "kernelbench",
        "metrics": {
          "max_ms": 39.4,
          "min_ms": 36,
          "std_ms": 1.34,
          "mean_ms": 37.4
        },
        "benchmark": "H100_Modal/baseline_time_torch_compile_inductor_default.json",
        "externalId": "H100_Modal/torch-compile-inductor/level3/35_LSTM.py"
      },
      "protocolDigest": "sha256:547725b033a9911eae0c5ac362344a85aed824894ed4ab476af945b9bb491ea6",
      "workloadDigest": "sha256:9ebbb81b03366f99aee735c51b7f95c0cfa8b5ded2965b9b4385e4581ef12dfb",
      "environmentDigest": "sha256:2750ae381d6de582f1eb6b9008e0987463d19ede8af127d97d76c5ae09121393",
      "implementationDigest": "sha256:4c93e600f5299a4bd95b0b431831a0a1e47aa15807b0bba07e6120ebb9ce5e1b"
    },
    "metadata": {
      "name": "kernelbench-h100-modal-torch-compile-inductor-l3-35-lstm",
      "title": "LSTM · torch.compile (inductor) · Modal"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  },
  "protocol": {
    "kind": "BenchmarkProtocol",
    "spec": {
      "harness": {
        "name": "KernelBench timing scripts",
        "repository": "https://github.com/ScalingIntelligence/KernelBench"
      },
      "measurement": {
        "timer": "cuda_events",
        "primaryStatistic": "mean"
      },
      "comparability": {
        "notes": "Mean of 100 timed forward passes (CUDA events, warm-up excluded) of the reference module on fixed inputs; the 95% interval is the mean's, from the reported standard deviation. The upstream JSON records no torch or CUDA version. Comparable only within one problem and one timing host.",
        "family": "kernelbench_baseline_timing"
      }
    },
    "metadata": {
      "name": "kernelbench-timing-v1",
      "title": "KernelBench baseline timing"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  },
  "environment": {
    "kind": "ExecutionEnvironment",
    "spec": {
      "hardware": {
        "vendor": "nvidia",
        "product": "NVIDIA H100",
        "formFactor": "80GB HBM3",
        "architecture": "sm_90"
      },
      "software": {}
    },
    "metadata": {
      "name": "kernelbench-h100-modal",
      "title": "KernelBench host · H100 80GB HBM3 (Modal)"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  }
}
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