Transformers
LayerNorm · rows = 4096 · hidden = 1024 · fp32 · run 01a016ad-c6cc…
●passedReported evidence
Not re-observed recently.
Primary measurement
118.8µsmedian
Rank 1 in its comparison group · source-native comparison · observed 2024-09-03
ms 20 0.11750400066375732 · ms 50 0.11884800344705582 · ms 80 0.12035199999809265
Identity
implementationTransformers
projectHugging Face Transformers
revisionunknown
workloadrows = 4096 · hidden = 1024 · fp32
comparison keysha256:e250250820945d8f…
sourceLiger-Kernel benchmarks
external idlayer_norm/full/huggingface/nvidia-a100-sxm4-80gb/hidden1024-rows4096-fp32/2024-09-03-15-39-21
sha256:f9f88090257117aca122580…
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 · median118.8 µs
latency · p20117.5 µs
latency · p80120.4 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
Canonical manifest
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{
"run": {
"kind": "BenchmarkRun",
"spec": {
"status": "passed",
"timing": {
"latencyNs": {
"median": 118848
},
"primaryStatistic": "median"
},
"observedAt": "2024-09-03T15:39:21.000Z",
"measurements": [
{
"unit": "ns",
"value": 117504,
"metric": "latency",
"statistic": "p20"
},
{
"unit": "ns",
"value": 120352,
"metric": "latency",
"statistic": "p80"
}
],
"sourceNative": {
"source": "liger-kernel-bench",
"metrics": {
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"ms_50": 0.11884800344705582,
"ms_80": 0.12035199999809265
},
"benchmark": "layer_norm/full",
"externalId": "layer_norm/full/huggingface/nvidia-a100-sxm4-80gb/hidden1024-rows4096-fp32/2024-09-03-15-39-21"
},
"protocolDigest": "sha256:5b02ee9a2140fbc6fcc1c89800f6c177ba22718c8897cb532bf0ba91867c1e58",
"workloadDigest": "sha256:739a08d860de11be4e38985f0058114e96192df54b708b9df0bb6041ff6294ba",
"environmentDigest": "sha256:90c9e2764222f592477cfccf3373519add5a1b881563956ad058c4f99e41b6b9",
"implementationDigest": "sha256:e9a9711948a0ff290958da13a2a6cc8d9951007fb5a0487fa893439b47d9db98"
},
"metadata": {
"name": "liger-layer-norm-full-huggingface-nvidia-a100-sxm4-80gb-hidden1024-rows4096-fp32-2024-09-03-15-39-21",
"title": "LayerNorm · huggingface · full",
"labels": {
"liger_version": "0.2.1"
}
},
"apiVersion": "kernelindex.dev/v1alpha1"
},
"protocol": {
"kind": "BenchmarkProtocol",
"spec": {
"harness": {
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"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"
}
},
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"title": "Liger benchmark harness · full pass"
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"environment": {
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"formFactor": "SXM4-80GB",
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},
"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)
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Published 2026-08-18 · Liger-Kernel benchmarks · BSD-2-ClauseAll results for LayerNorm →JSON