Skip to content
KernelIndex
Search⌘K

Liger

LayerNorm · rows = 4096 · hidden = 1024 · fp32 · run 01a016ad-ae90…
●passedReported evidence

Not re-observed recently.

Primary measurement
30.3µsmedian

Rank 1 in its comparison group · source-native comparison · observed 2024-09-03

ms 20 0.02921600081026554 · ms 50 0.030271999537944794 · ms 80 0.03142400085926056

Identity
implementationLiger
projectLiger-Kernel
revisionunknown
workloadrows = 4096 · hidden = 1024 · fp32
comparison keysha256:fe45bb73f9e4eeb4…
sourceLiger-Kernel benchmarks
external idlayer_norm/forward/liger/nvidia-a100-sxm4-80gb/hidden1024-rows4096-fp32/2024-09-03-15-39-14
sha256:72c2ce1064436af850f5e8e…

Correctness

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

Workload

rows4096
hidden1024
xfp32 [4096, 1024]
biasfp32 [1024]
weightfp32 [1024]
definition comparatornot_asserted

Measurements

latency · median30.3 µs
latency · p2029.2 µs
latency · p8031.4 µs

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.

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": 30272
        },
        "primaryStatistic": "median"
      },
      "observedAt": "2024-09-03T15:39:14.000Z",
      "measurements": [
        {
          "unit": "ns",
          "value": 29216,
          "metric": "latency",
          "statistic": "p20"
        },
        {
          "unit": "ns",
          "value": 31424,
          "metric": "latency",
          "statistic": "p80"
        }
      ],
      "sourceNative": {
        "source": "liger-kernel-bench",
        "metrics": {
          "ms_20": 0.02921600081026554,
          "ms_50": 0.030271999537944794,
          "ms_80": 0.03142400085926056
        },
        "benchmark": "layer_norm/forward",
        "externalId": "layer_norm/forward/liger/nvidia-a100-sxm4-80gb/hidden1024-rows4096-fp32/2024-09-03-15-39-14"
      },
      "protocolDigest": "sha256:a79eaf4df66c97c6adc1fb2d09df78682155d1ea86652ae0b70199875bde7747",
      "workloadDigest": "sha256:739a08d860de11be4e38985f0058114e96192df54b708b9df0bb6041ff6294ba",
      "environmentDigest": "sha256:90c9e2764222f592477cfccf3373519add5a1b881563956ad058c4f99e41b6b9",
      "implementationDigest": "sha256:77931b8372d01c2e92fd763373b2fdab449b85949aad6fcfa15bee3810319f2b"
    },
    "metadata": {
      "name": "liger-layer-norm-forward-liger-nvidia-a100-sxm4-80gb-hidden1024-rows4096-fp32-2024-09-03-15-39-14",
      "title": "LayerNorm · liger · forward",
      "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 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"
  }
}
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.

Published 2026-08-18 · Liger-Kernel benchmarks · BSD-2-ClauseAll results for LayerNorm →JSON