PyTorch
Softmax · rows = 2048 · hidden = 128 · bf16 · run 01a016ae-cf0c…
●passedReported evidence
Not re-observed recently.
Primary measurement
11.3µsmedian
Rank 1 in its comparison group · source-native comparison · observed 2025-04-30
ms 20 0.010239999741315842 · ms 50 0.011264000087976456 · ms 80 0.011264000087976456
Identity
implementationPyTorch
projectPyTorch
revisionunknown
workloadrows = 2048 · hidden = 128 · bf16
comparison keysha256:d3b4143cb6150720…
sourceLiger-Kernel benchmarks
external idsoftmax/full/torch/nvidia-geforce-rtx-3090/hidden128-rows2048-bf16/2025-04-30-16-11-25
sha256:cc0e88f734cfe655185d31a…
Correctness
Marked passed by the source; the correctness policy was not published.
Workload
rows2048
hidden128
xbf16 [2048, 128]
definition comparatornot_asserted
Measurements
latency · median11.3 µs
latency · p2010.2 µs
latency · p8011.3 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
Show manifestHide manifest
{
"run": {
"kind": "BenchmarkRun",
"spec": {
"status": "passed",
"timing": {
"latencyNs": {
"median": 11264
},
"primaryStatistic": "median"
},
"observedAt": "2025-04-30T16:11:25.000Z",
"measurements": [
{
"unit": "ns",
"value": 10240,
"metric": "latency",
"statistic": "p20"
},
{
"unit": "ns",
"value": 11264,
"metric": "latency",
"statistic": "p80"
}
],
"sourceNative": {
"source": "liger-kernel-bench",
"metrics": {
"ms_20": 0.010239999741315842,
"ms_50": 0.011264000087976456,
"ms_80": 0.011264000087976456
},
"benchmark": "softmax/full",
"externalId": "softmax/full/torch/nvidia-geforce-rtx-3090/hidden128-rows2048-bf16/2025-04-30-16-11-25"
},
"protocolDigest": "sha256:5b02ee9a2140fbc6fcc1c89800f6c177ba22718c8897cb532bf0ba91867c1e58",
"workloadDigest": "sha256:d1b73d6115ce914af5d4c8854d63b636e288262363183cdee2c99682049b5dce",
"environmentDigest": "sha256:b12fdfab6a337672499b10212a1e986e49e4383777bd7cbb58321b09af4bf6a3",
"implementationDigest": "sha256:643178d96c20c26e7a3c3c424ad25f85170a76224689482539da1059ff9aacea"
},
"metadata": {
"name": "liger-softmax-full-torch-nvidia-geforce-rtx-3090-hidden128-rows2048-bf16-2025-04-30-16-11-25",
"title": "Softmax · torch · full",
"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 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 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)
Report an issue with this run
Published 2026-08-18 · Liger-Kernel benchmarks · BSD-2-ClauseAll results for Softmax →JSON