PyTorch eager
LayerNorm · dim1 = 256 · dim2 = 256 · features = 64 · batch_size = 16 · fp32 · run 01a03f0e-f832…
●passedReported evidence
Not re-observed recently.
Primary measurement
9.01ms±0.00 · mean of 100
Rank 2 in its comparison group · source-native comparison · observed 2026-03-05
max ms 9.03 · min ms 9 · std ms 0.00367 · mean ms 9.01
Identity
implementationPyTorch eager
projectPyTorch
revisionunknown
workloaddim1 = 256 · dim2 = 256 · features = 64 · batch_size = 16 · fp32
comparison keysha256:ac7868838ed4e7d7…
sourceKernelBench baseline timings
external idH100_PCIe_LambdaLabs/torch/level1/40_LayerNorm.py
sha256:ebbd770415495dd9f041d0b…
Correctness
Marked passed by the source; the correctness policy was not published.
Workload
dim1256
dim2256
features64
batch_size16
xfp32 [16, 64, 256, 256]
definition comparatornot_asserted
Measurements
latency · max9.03 ms · n=100
latency · mean9.01 ms · n=100
latency · min9.00 ms · n=100
latency · std3.67 µs
Protocol
harnessKernelBench timing scripts
timercuda_events
primaryStatisticmean
comparabilityFamilykernelbench_baseline_timing
Environment
gpuNVIDIA H100 (sm_90)
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": {
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"timing": {
"samples": 100,
"latencyNs": {
"mean": 9010000,
"maximum": 9030000,
"minimum": 9000000,
"confidence95": [
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]
},
"primaryStatistic": "mean"
},
"observedAt": "2026-03-05T08:38:15.000Z",
"measurements": [
{
"unit": "ns",
"value": 3670,
"metric": "latency",
"statistic": "std"
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"sourceNative": {
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},
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},
"metadata": {
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},
"apiVersion": "kernelindex.dev/v1alpha1"
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"protocol": {
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"spec": {
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},
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},
"comparability": {
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"family": "kernelbench_baseline_timing"
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},
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"apiVersion": "kernelindex.dev/v1alpha1"
}
}Cite this record (permalink, digest, access date)
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Published 2026-08-26 · KernelBench baseline timings · MITAll results for LayerNorm →JSON