Run 01a0202b · KernelIndex

Primary measurement

58.8msmedian

Rank 2 in its comparison group · source-native comparison · observed 2024-11-15

Compare with #1 →

ms 20 58.80876922607422 · ms 50 58.80876922607422 · ms 80 58.80876922607422

Identity

implementationLiger

projectLiger-Kernel

revisionunknown

workloadseq = 1024 · batch = 4 · vocab = 128256 · hidden = 4096 · bf16

comparison keysha256:3d1572d4c5a68867…

sourceLiger-Kernel benchmarks

external idfused_linear_simpo_loss/forward/liger/nvidia-a100-sxm4-80gb/batch4-hidden4096-seq1024-vocab128256-bf16/2024-11-15-14-27-26

sha256:e6eff4c05fb705cb293184f…

Correctness

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

Workload

seq1024

batch4

vocab128256

hidden4096

xbf16 [4, 1024, 4096]

targetint64 [4, 1024]

weightbf16 [128256, 4096]

definition comparatornot_asserted

Measurements

latency · median58.8 ms

latency · p2058.8 ms

latency · p8058.8 ms

Protocol

harnessLiger-Kernel benchmark scripts

timercuda_events

primaryStatisticmedian

comparabilityFamilyliger_kernel_bench

Environment

gpuNVIDIA A100 (sm_80)

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.

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Canonical manifest

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{
  "run": {
    "kind": "BenchmarkRun",
    "spec": {
      "status": "passed",
      "timing": {
        "latencyNs": {
          "median": 58808769
        },
        "primaryStatistic": "median"
      },
      "observedAt": "2024-11-15T14:27:26.000Z",
      "measurements": [
        {
          "unit": "ns",
          "value": 58808769,
          "metric": "latency",
          "statistic": "p20"
        },
        {
          "unit": "ns",
          "value": 58808769,
          "metric": "latency",
          "statistic": "p80"
        }
      ],
      "sourceNative": {
        "source": "liger-kernel-bench",
        "metrics": {
          "ms_20": 58.80876922607422,
          "ms_50": 58.80876922607422,
          "ms_80": 58.80876922607422
        },
        "benchmark": "fused_linear_simpo_loss/forward",
        "externalId": "fused_linear_simpo_loss/forward/liger/nvidia-a100-sxm4-80gb/batch4-hidden4096-seq1024-vocab128256-bf16/2024-11-15-14-27-26"
      },
      "protocolDigest": "sha256:a79eaf4df66c97c6adc1fb2d09df78682155d1ea86652ae0b70199875bde7747",
      "workloadDigest": "sha256:70d11d355a6ff563d2f7b019f73844288bbbe903f6407043cad4012f2b3fa56f",
      "environmentDigest": "sha256:90c9e2764222f592477cfccf3373519add5a1b881563956ad058c4f99e41b6b9",
      "implementationDigest": "sha256:5c864547e3cffc08357c6217438fb5ef0b30481a55e6ed7b8e547f722719db72"
    },
    "metadata": {
      "name": "liger-fused-linear-simpo-loss-forward-liger-nvidia-a100-sxm4-80gb-batch4-hidden4096-seq1024-vocab128",
      "title": "Fused linear + SimPO loss · liger · forward",
      "labels": {
        "liger_version": "0.4.1"
      }
    },
    "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 A100",
        "formFactor": "SXM4-80GB",
        "architecture": "sm_80"
      },
      "software": {}
    },
    "metadata": {
      "name": "liger-bench-nvidia-a100-sxm4-80gb",
      "title": "Liger benchmark host · A100-SXM4-80GB"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  }
}

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Published 2026-08-20 · Liger-Kernel benchmarks · BSD-2-ClauseAll results for Fused linear + SimPO loss →JSON