Transformers
LayerNorm · rows = 4096 · hidden = 4096 · fp32 · run 01a016ad-b9d2…
●passedReported evidence
Not re-observed recently.
Primary measurement
121.8µsmedian
Rank 2 in its comparison group · source-native comparison · observed 2024-09-03
ms 20 0.12054400146007538 · ms 50 0.1218239963054657 · ms 80 0.12316799908876419
Identity
implementationTransformers
projectHugging Face Transformers
revisionunknown
workloadrows = 4096 · hidden = 4096 · fp32
comparison keysha256:de6c8f87c79db488…
sourceLiger-Kernel benchmarks
external idlayer_norm/forward/huggingface/nvidia-a100-sxm4-80gb/hidden4096-rows4096-fp32/2024-09-03-15-39-17
sha256:d9e61f483a953800a4de493…
Correctness
Marked passed by the source; the correctness policy was not published.
Workload
rows4096
hidden4096
xfp32 [4096, 4096]
biasfp32 [4096]
weightfp32 [4096]
definition comparatornot_asserted
Measurements
latency · median121.8 µs
latency · p20120.5 µs
latency · p80123.2 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
Canonical manifest
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{
"run": {
"kind": "BenchmarkRun",
"spec": {
"status": "passed",
"timing": {
"latencyNs": {
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},
"primaryStatistic": "median"
},
"observedAt": "2024-09-03T15:39:17.000Z",
"measurements": [
{
"unit": "ns",
"value": 120544,
"metric": "latency",
"statistic": "p20"
},
{
"unit": "ns",
"value": 123168,
"metric": "latency",
"statistic": "p80"
}
],
"sourceNative": {
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"metrics": {
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"ms_80": 0.12316799908876419
},
"benchmark": "layer_norm/forward",
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},
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"workloadDigest": "sha256:c18a03ab80eee5adfcd97f582de99ab98c459be25807cde44b48ac623ad3af23",
"environmentDigest": "sha256:90c9e2764222f592477cfccf3373519add5a1b881563956ad058c4f99e41b6b9",
"implementationDigest": "sha256:e9a9711948a0ff290958da13a2a6cc8d9951007fb5a0487fa893439b47d9db98"
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"metadata": {
"name": "liger-layer-norm-forward-huggingface-nvidia-a100-sxm4-80gb-hidden4096-rows4096-fp32-2024-09-03-15-39",
"title": "LayerNorm · huggingface · forward",
"labels": {
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}
},
"apiVersion": "kernelindex.dev/v1alpha1"
},
"protocol": {
"kind": "BenchmarkProtocol",
"spec": {
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},
"measurement": {
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},
"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"
}
},
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},
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"title": "Liger benchmark host · A100-SXM4-80GB"
},
"apiVersion": "kernelindex.dev/v1alpha1"
}
}Cite this record (permalink, digest, access date)
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Published 2026-08-18 · Liger-Kernel benchmarks · BSD-2-ClauseAll results for LayerNorm →JSON