Liger fused
Fused add + RMSNorm · rows = 2048 · hidden = 8192 · fp32 · run 01a016af-2c4e…
●passedReported evidence
Primary measurement
290.6µsmedian
Rank 1 in its comparison group · source-native comparison · observed 2026-04-07
ms 20 0.28489598631858826 · ms 50 0.2905920147895813 · ms 80 0.3316799998283386
Identity
implementationLiger fused
projectLiger-Kernel
revisionunknown
workloadrows = 2048 · hidden = 8192 · fp32
comparison keysha256:38c545d3eb437353…
sourceLiger-Kernel benchmarks
external idfused_add_rms_norm/full/liger_fused_add_rms_norm/nvidia-h100-80gb-hbm3/hidden8192-rows2048-fp32/2026-04-07-21-27-29
sha256:3442e08aada273ed7bc11c2…
Correctness
Marked passed by the source; the correctness policy was not published.
Workload
rows2048
hidden8192
xfp32 [2048, 8192]
weightfp32 [8192]
residualfp32 [2048, 8192]
definition comparatornot_asserted
Measurements
latency · median290.6 µs
latency · p20284.9 µs
latency · p80331.7 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
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": 290592
},
"primaryStatistic": "median"
},
"observedAt": "2026-04-07T21:27:29.000Z",
"measurements": [
{
"unit": "ns",
"value": 284896,
"metric": "latency",
"statistic": "p20"
},
{
"unit": "ns",
"value": 331680,
"metric": "latency",
"statistic": "p80"
}
],
"sourceNative": {
"source": "liger-kernel-bench",
"metrics": {
"ms_20": 0.28489598631858826,
"ms_50": 0.2905920147895813,
"ms_80": 0.3316799998283386
},
"benchmark": "fused_add_rms_norm/full",
"externalId": "fused_add_rms_norm/full/liger_fused_add_rms_norm/nvidia-h100-80gb-hbm3/hidden8192-rows2048-fp32/2026-04-07-21-27-29"
},
"protocolDigest": "sha256:5b02ee9a2140fbc6fcc1c89800f6c177ba22718c8897cb532bf0ba91867c1e58",
"workloadDigest": "sha256:2c10f8ac0cfa74482f8ce36235bd3a32b3bb72594f15fe5a2d9219651c50606e",
"environmentDigest": "sha256:2750ae381d6de582f1eb6b9008e0987463d19ede8af127d97d76c5ae09121393",
"implementationDigest": "sha256:9b417b271806017a7e78c087a31c17a4633f00e5df9c8b3c227d337c5aea8505"
},
"metadata": {
"name": "liger-fused-add-rms-norm-full-liger-fused-add-rms-norm-nvidia-h100-80gb-hbm3-hidden8192-rows2048-fp3",
"title": "Fused add + RMSNorm · liger_fused_add_rms_norm · full",
"labels": {
"liger_version": "0.7.0"
}
},
"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 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"
}
},
"metadata": {
"name": "liger-bench-do-bench-full",
"title": "Liger benchmark harness · full 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"
}
}Cite this record (permalink, digest, access date)
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Published 2026-08-18 · Liger-Kernel benchmarks · BSD-2-ClauseAll results for Fused add + RMSNorm →JSON