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PyTorch eager

Tanh · dim = 393216 · batch_size = 4096 · fp32 · run 01a03f0e-f831…
●passedReported evidence

Not re-observed recently.

Primary measurement
6.95ms±0.00 · mean of 100

Rank 1 in its comparison group · source-native comparison · observed 2026-03-05

max ms 6.98 · min ms 6.94 · std ms 0.00607 · mean ms 6.95

Identity
implementationPyTorch eager
projectPyTorch
revisionunknown
workloaddim = 393216 · batch_size = 4096 · fp32
comparison keysha256:afadee16bfcc55e3…
sourceKernelBench baseline timings
external idH100_PCIe_LambdaLabs/torch/level1/22_Tanh.py
sha256:1b55399cea0a93763bab1fd…

Correctness

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

Workload

dim393216
batch_size4096
xfp32 [4096, 393216]
definition comparatornot_asserted

Measurements

latency · max6.98 ms · n=100
latency · mean6.95 ms · n=100
latency · min6.94 ms · n=100
latency · std6.07 µs

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": 6950000,
          "maximum": 6980000,
          "minimum": 6940000,
          "confidence95": [
            6948810,
            6951190
          ]
        },
        "primaryStatistic": "mean"
      },
      "observedAt": "2026-03-05T08:38:15.000Z",
      "measurements": [
        {
          "unit": "ns",
          "value": 6070,
          "metric": "latency",
          "statistic": "std"
        }
      ],
      "sourceNative": {
        "source": "kernelbench",
        "metrics": {
          "max_ms": 6.98,
          "min_ms": 6.94,
          "std_ms": 0.00607,
          "mean_ms": 6.95
        },
        "benchmark": "H100_PCIe_LambdaLabs/baseline_time_torch.json",
        "externalId": "H100_PCIe_LambdaLabs/torch/level1/22_Tanh.py"
      },
      "protocolDigest": "sha256:547725b033a9911eae0c5ac362344a85aed824894ed4ab476af945b9bb491ea6",
      "workloadDigest": "sha256:6973fa702edcc801f36b06b9189b1b454d1b0e96b31c32da5cd4f0a7b8b5a8f0",
      "environmentDigest": "sha256:89f9b28b06758f22a1df331fea58bfde2c9cc0f3627d1829509743ea538f0011",
      "implementationDigest": "sha256:2874220e1cae6df54972fa588d29bcb5c40cd02052c7d46656b45b211b5caaaa"
    },
    "metadata": {
      "name": "kernelbench-h100-pcie-lambdalabs-torch-l1-22-tanh",
      "title": "Tanh · PyTorch eager · Lambda Labs"
    },
    "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": "PCIe",
        "architecture": "sm_90"
      },
      "software": {}
    },
    "metadata": {
      "name": "kernelbench-h100-pcie-lambdalabs",
      "title": "KernelBench host · H100 PCIe (Lambda Labs)"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  }
}
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