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Total variation distance loss · vocab = 16384 · tokens = 16384 · fp32 · run 01a0202b-2345…
●passedReported evidence

Not re-observed recently.

Primary measurement
2.81msmedian

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

Compare with #1 →

ms 20 2.8132031917572022 · ms 50 2.81440007686615 · ms 80 2.815097618103027

Identity
implementationPyTorch
projectPyTorch
revisionunknown
workloadvocab = 16384 · tokens = 16384 · fp32
comparison keysha256:85b6f90eafb593c7…
sourceLiger-Kernel benchmarks
external idtvd/forward/torch/nvidia-h100-80gb-hbm3/tokens16384-vocab16384-fp32/2026-03-03-23-02-51
sha256:ebd669e651ac7a21cc5623d…

Correctness

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

Workload

vocab16384
tokens16384
pfp32 [16384, 16384]
qfp32 [16384, 16384]
definition comparatornot_asserted

Measurements

latency · median2.81 ms
latency · p202.81 ms
latency · p802.82 ms

Protocol

harnessLiger-Kernel benchmark scripts
timercuda_events
primaryStatisticmedian
comparabilityFamilyliger_kernel_bench

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": {
        "latencyNs": {
          "median": 2814400
        },
        "primaryStatistic": "median"
      },
      "observedAt": "2026-03-03T23:02:51.000Z",
      "measurements": [
        {
          "unit": "ns",
          "value": 2813203,
          "metric": "latency",
          "statistic": "p20"
        },
        {
          "unit": "ns",
          "value": 2815098,
          "metric": "latency",
          "statistic": "p80"
        }
      ],
      "sourceNative": {
        "source": "liger-kernel-bench",
        "metrics": {
          "ms_20": 2.8132031917572022,
          "ms_50": 2.81440007686615,
          "ms_80": 2.815097618103027
        },
        "benchmark": "tvd/forward",
        "externalId": "tvd/forward/torch/nvidia-h100-80gb-hbm3/tokens16384-vocab16384-fp32/2026-03-03-23-02-51"
      },
      "protocolDigest": "sha256:a79eaf4df66c97c6adc1fb2d09df78682155d1ea86652ae0b70199875bde7747",
      "workloadDigest": "sha256:1bb2e1518888b2780aa063fc656c3e823ce2b53c6352d71477c0206cd5f54de3",
      "environmentDigest": "sha256:2750ae381d6de582f1eb6b9008e0987463d19ede8af127d97d76c5ae09121393",
      "implementationDigest": "sha256:8171e09143a94e4468f31e2a0f817f4d939b5014f388da04142ddb5acea9bcfd"
    },
    "metadata": {
      "name": "liger-tvd-forward-torch-nvidia-h100-80gb-hbm3-tokens16384-vocab16384-fp32-2026-03-03-23-02-51",
      "title": "Total variation distance loss · torch · forward",
      "labels": {
        "liger_version": "0.7.0"
      }
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  },
  "protocol": {
    "kind": "BenchmarkProtocol",
    "spec": {
      "harness": {
        "name": "Liger-Kernel benchmark scripts",
        "repository": "https://github.com/linkedin/Liger-Kernel"
      },
      "measurement": {
        "timer": "cuda_events",
        "primaryStatistic": "median"
      },
      "comparability": {
        "notes": "Timed: the module forward pass, via triton.testing.do_bench with quantiles 0.5/0.2/0.8 (median with p20/p80 spread). The upstream CSV records no CUDA, driver, or torch version; the Liger release rides each run's labels. Comparable only within one kernel, workload, timed pass, and GPU.",
        "family": "liger_kernel_bench"
      }
    },
    "metadata": {
      "name": "liger-bench-do-bench-forward",
      "title": "Liger benchmark harness · forward pass"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  },
  "environment": {
    "kind": "ExecutionEnvironment",
    "spec": {
      "hardware": {
        "vendor": "nvidia",
        "product": "NVIDIA H100",
        "formFactor": "80GB HBM3",
        "architecture": "sm_90"
      },
      "software": {}
    },
    "metadata": {
      "name": "liger-bench-nvidia-h100-80gb-hbm3",
      "title": "Liger benchmark host · H100 80GB HBM3"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  }
}
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