Skip to content
KernelIndex
Search⌘K

PyTorch

Jensen-Shannon divergence loss · vocab = 128256 · tokens = 8192 · fp32 · run 01a016af-7389…
●passedReported evidence
Primary measurement
20.0msmedian

Rank 1 in its comparison group · source-native comparison · observed 2026-05-27

ms 20 20.02751922607422 · ms 50 20.02751922607422 · ms 80 20.02751922607422

Identity
implementationPyTorch
projectPyTorch
revisionunknown
workloadvocab = 128256 · tokens = 8192 · fp32
comparison keysha256:aeba83e89c0dfe3e…
sourceLiger-Kernel benchmarks
external idjsd/forward/torch/nvidia-b200/tokens8192-vocab128256-fp32/2026-05-27-17-14-29
sha256:f59a3068150e8ccad5f8cc4…

Correctness

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

Workload

vocab128256
tokens8192
student_log_probsfp32 [8192, 128256]
teacher_log_probsfp32 [8192, 128256]
definition comparatornot_asserted

Measurements

latency · median20.0 ms
latency · p2020.0 ms
latency · p8020.0 ms

Protocol

harnessLiger-Kernel benchmark scripts
timercuda_events
primaryStatisticmedian
comparabilityFamilyliger_kernel_bench

Environment

gpuNVIDIA B200 (sm_100)

Artifacts

No artifacts published with this run.

Replications and notes

No attestations yet.

Community attestations. They never change the evidence level; only a KernelIndex-controlled rerun does.

Add a reproduction or note
I

Published under your account name. Community attestations never change the evidence level; a maintainer can hide abuse.

Canonical manifest

Show manifest
{
  "run": {
    "kind": "BenchmarkRun",
    "spec": {
      "status": "passed",
      "timing": {
        "latencyNs": {
          "median": 20027519
        },
        "primaryStatistic": "median"
      },
      "observedAt": "2026-05-27T17:14:29.000Z",
      "measurements": [
        {
          "unit": "ns",
          "value": 20027519,
          "metric": "latency",
          "statistic": "p20"
        },
        {
          "unit": "ns",
          "value": 20027519,
          "metric": "latency",
          "statistic": "p80"
        }
      ],
      "sourceNative": {
        "source": "liger-kernel-bench",
        "metrics": {
          "ms_20": 20.02751922607422,
          "ms_50": 20.02751922607422,
          "ms_80": 20.02751922607422
        },
        "benchmark": "jsd/forward",
        "externalId": "jsd/forward/torch/nvidia-b200/tokens8192-vocab128256-fp32/2026-05-27-17-14-29"
      },
      "protocolDigest": "sha256:a79eaf4df66c97c6adc1fb2d09df78682155d1ea86652ae0b70199875bde7747",
      "workloadDigest": "sha256:7dd418cfb3c9f6b8896d0b6adf870bbe8b96629b45a38c1c83c1ffa627194608",
      "environmentDigest": "sha256:ad459e643ef802f7008f1fa8915785c905d05abbfdb5eb0328be214f8d9f3a8b",
      "implementationDigest": "sha256:a23886e9eb82a5ee86dc8da4a8b71c3d32e2af6c350b02bb1702dd8d8bdb05b1"
    },
    "metadata": {
      "name": "liger-jsd-forward-torch-nvidia-b200-tokens8192-vocab128256-fp32-2026-05-27-17-14-29",
      "title": "Jensen-Shannon divergence loss · torch · forward",
      "labels": {
        "liger_version": "0.8.0"
      }
    },
    "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 B200",
        "architecture": "sm_100"
      },
      "software": {}
    },
    "metadata": {
      "name": "liger-bench-nvidia-b200",
      "title": "Liger benchmark host · B200"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  }
}
Cite this record (permalink, digest, access date)
Report an issue with this run

A maintainer reviews every report. If accepted, the record is retracted or superseded; its history stays visible.