Liger
Sparsemax · tokens = 2048 · features = 2048 · fp32 · run 01a0202b-2187…
●passedReported evidence
Not re-observed recently.
Primary measurement
88.1µsmedian
Rank 1 in its comparison group · source-native comparison · observed 2025-04-28
ms 20 0.08713600039482117 · ms 50 0.08806400001049042 · ms 80 0.08806400001049042
Identity
implementationLiger
projectLiger-Kernel
revisionunknown
workloadtokens = 2048 · features = 2048 · fp32
comparison keysha256:0cfe158fbb93d672…
sourceLiger-Kernel benchmarks
external idsparsemax/backward/liger/nvidia-geforce-rtx-3090/features2048-tokens2048-fp32/2025-04-28-00-38-22
sha256:5419c07d70eaea6e2191525…
Correctness
Marked passed by the source; the correctness policy was not published.
Workload
tokens2048
features2048
xfp32 [2048, 2048]
definition comparatornot_asserted
Measurements
latency · median88.1 µs
latency · p2087.1 µs
latency · p8088.1 µs
Protocol
harnessLiger-Kernel benchmark scripts
timercuda_events
primaryStatisticmedian
comparabilityFamilyliger_kernel_bench
Environment
gpuNVIDIA GeForce RTX 3090 (sm_86)
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": 88064
},
"primaryStatistic": "median"
},
"observedAt": "2025-04-28T00:38:22.000Z",
"measurements": [
{
"unit": "ns",
"value": 87136,
"metric": "latency",
"statistic": "p20"
},
{
"unit": "ns",
"value": 88064,
"metric": "latency",
"statistic": "p80"
}
],
"sourceNative": {
"source": "liger-kernel-bench",
"metrics": {
"ms_20": 0.08713600039482117,
"ms_50": 0.08806400001049042,
"ms_80": 0.08806400001049042
},
"benchmark": "sparsemax/backward",
"externalId": "sparsemax/backward/liger/nvidia-geforce-rtx-3090/features2048-tokens2048-fp32/2025-04-28-00-38-22"
},
"protocolDigest": "sha256:080e6e66e4ec75a131aa0c9121c74b8e8eed64e7b6d621d567c6a28f79548be8",
"workloadDigest": "sha256:30b0843247d2cbeda834dabfc8f1f4724a8653061a61196396c791585a81af7c",
"environmentDigest": "sha256:b12fdfab6a337672499b10212a1e986e49e4383777bd7cbb58321b09af4bf6a3",
"implementationDigest": "sha256:6d31657a0473d58e3f935f7da3661c63f02c557ea3a835e89da483ab5bcf1d54"
},
"metadata": {
"name": "liger-sparsemax-backward-liger-nvidia-geforce-rtx-3090-features2048-tokens2048-fp32-2025-04-28-00-38",
"title": "Sparsemax · liger · backward",
"labels": {
"liger_version": "0.5.8"
}
},
"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 backward pass of the module output given a random upstream gradient, 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-backward",
"title": "Liger benchmark harness · backward pass"
},
"apiVersion": "kernelindex.dev/v1alpha1"
},
"environment": {
"kind": "ExecutionEnvironment",
"spec": {
"hardware": {
"vendor": "nvidia",
"product": "NVIDIA GeForce RTX 3090",
"architecture": "sm_86"
},
"software": {}
},
"metadata": {
"name": "liger-bench-nvidia-geforce-rtx-3090",
"title": "Liger benchmark host · GeForce RTX 3090"
},
"apiVersion": "kernelindex.dev/v1alpha1"
}
}Cite this record (permalink, digest, access date)
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Published 2026-08-20 · Liger-Kernel benchmarks · BSD-2-ClauseAll results for Sparsemax →JSON