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SwiGLU activation, Megatron layout · ffn = 2048 · seq = 2048 · batch = 4 · bf16 · run 01a0202b-2418…
●passedReported evidence
Primary measurement
39.6µsmedian

Rank 1 in its comparison group · source-native comparison · observed 2026-07-26

ms 20 0.03923200070858002 · ms 50 0.039583999663591385 · ms 80 0.04053119942545891

Identity
implementationLiger
projectLiger-Kernel
revisionunknown
workloadffn = 2048 · seq = 2048 · batch = 4 · bf16
comparison keysha256:1c2cbbbdc428cbb6…
sourceLiger-Kernel benchmarks
external idmegatron_swiglu/forward/liger/nvidia-h100-80gb-hbm3/batch4-ffn2048-seq2048-bf16/2026-07-26-00-09-43
sha256:e50871baa7d0cbfcade49bf…

Correctness

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

Workload

ffn2048
seq2048
batch4
ybf16 [2048, 4, 4096]
definition comparatornot_asserted

Measurements

latency · median39.6 µs
latency · p2039.2 µs
latency · p8040.5 µs

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": 39584
        },
        "primaryStatistic": "median"
      },
      "observedAt": "2026-07-26T00:09:43.000Z",
      "measurements": [
        {
          "unit": "ns",
          "value": 39232,
          "metric": "latency",
          "statistic": "p20"
        },
        {
          "unit": "ns",
          "value": 40531,
          "metric": "latency",
          "statistic": "p80"
        }
      ],
      "sourceNative": {
        "source": "liger-kernel-bench",
        "metrics": {
          "ms_20": 0.03923200070858002,
          "ms_50": 0.039583999663591385,
          "ms_80": 0.04053119942545891
        },
        "benchmark": "megatron_swiglu/forward",
        "externalId": "megatron_swiglu/forward/liger/nvidia-h100-80gb-hbm3/batch4-ffn2048-seq2048-bf16/2026-07-26-00-09-43"
      },
      "protocolDigest": "sha256:a79eaf4df66c97c6adc1fb2d09df78682155d1ea86652ae0b70199875bde7747",
      "workloadDigest": "sha256:78416bbe7296f4152e6c538329fe3ea58b22fcac1b86dff94708af60f81152ac",
      "environmentDigest": "sha256:2750ae381d6de582f1eb6b9008e0987463d19ede8af127d97d76c5ae09121393",
      "implementationDigest": "sha256:bae80a370426e1426519098b8cacca7f871cca1cef793e2705a524b4ac025ba5"
    },
    "metadata": {
      "name": "liger-megatron-swiglu-forward-liger-nvidia-h100-80gb-hbm3-batch4-ffn2048-seq2048-bf16-2026-07-26-00-",
      "title": "SwiGLU activation, Megatron layout · liger · forward",
      "labels": {
        "liger_version": "0.8.1"
      }
    },
    "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 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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