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LayerNorm · rows = 4096 · hidden = 16384 · fp32 · run 01a016ad-cd3c…
●passedReported evidence

Not re-observed recently.

Primary measurement
1.62msmedian

Rank 2 in its comparison group · source-native comparison · observed 2024-09-03

Compare with #1 →

ms 20 1.6171647310256958 · ms 50 1.6212799549102783 · ms 80 1.6246912479400635

Identity
implementationTransformers
projectHugging Face Transformers
revisionunknown
workloadrows = 4096 · hidden = 16384 · fp32
comparison keysha256:0088a61f9fb3ef3f…
sourceLiger-Kernel benchmarks
external idlayer_norm/full/huggingface/nvidia-a100-sxm4-80gb/hidden16384-rows4096-fp32/2024-09-03-15-39-21
sha256:233509cdc0ac43a2cca3d62…

Correctness

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

Workload

rows4096
hidden16384
xfp32 [4096, 16384]
biasfp32 [16384]
weightfp32 [16384]
definition comparatornot_asserted

Measurements

latency · median1.62 ms
latency · p201.62 ms
latency · p801.62 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

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Canonical manifest

Show manifest
{
  "run": {
    "kind": "BenchmarkRun",
    "spec": {
      "status": "passed",
      "timing": {
        "latencyNs": {
          "median": 1621280
        },
        "primaryStatistic": "median"
      },
      "observedAt": "2024-09-03T15:39:21.000Z",
      "measurements": [
        {
          "unit": "ns",
          "value": 1617165,
          "metric": "latency",
          "statistic": "p20"
        },
        {
          "unit": "ns",
          "value": 1624691,
          "metric": "latency",
          "statistic": "p80"
        }
      ],
      "sourceNative": {
        "source": "liger-kernel-bench",
        "metrics": {
          "ms_20": 1.6171647310256958,
          "ms_50": 1.6212799549102783,
          "ms_80": 1.6246912479400635
        },
        "benchmark": "layer_norm/full",
        "externalId": "layer_norm/full/huggingface/nvidia-a100-sxm4-80gb/hidden16384-rows4096-fp32/2024-09-03-15-39-21"
      },
      "protocolDigest": "sha256:5b02ee9a2140fbc6fcc1c89800f6c177ba22718c8897cb532bf0ba91867c1e58",
      "workloadDigest": "sha256:7c1b78dd05411e37a6a621247e8e82deccccdd018deabaccca3f741612bd5d8b",
      "environmentDigest": "sha256:90c9e2764222f592477cfccf3373519add5a1b881563956ad058c4f99e41b6b9",
      "implementationDigest": "sha256:e9a9711948a0ff290958da13a2a6cc8d9951007fb5a0487fa893439b47d9db98"
    },
    "metadata": {
      "name": "liger-layer-norm-full-huggingface-nvidia-a100-sxm4-80gb-hidden16384-rows4096-fp32-2024-09-03-15-39-2",
      "title": "LayerNorm · huggingface · full",
      "labels": {
        "liger_version": "0.2.1"
      }
    },
    "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 forward pass plus the backward 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-full",
      "title": "Liger benchmark harness · full 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 2026-08-18 · Liger-Kernel benchmarks · BSD-2-ClauseAll results for LayerNorm →JSON