PyTorch
KL-divergence loss · vocab = 32768 · tokens = 16384 · fp32 · run 01a0202b-214a…
●passedReported evidence
Not re-observed recently.
Primary measurement
23.1msmedian
Rank 2 in its comparison group · source-native comparison · observed 2024-09-04
ms 20 23.050334930419922 · ms 50 23.052032470703125 · ms 80 23.052589416503906
Identity
implementationPyTorch
projectPyTorch
revisionunknown
workloadvocab = 32768 · tokens = 16384 · fp32
comparison keysha256:da4bb9a6810901ab…
sourceLiger-Kernel benchmarks
external idkl_div/full/torch/nvidia-h100-pcie/tokens16384-vocab32768-fp32/2024-09-04-12-59-48
sha256:7ba5f6184b8944e4b93ae61…
Correctness
Marked passed by the source; the correctness policy was not published.
Workload
vocab32768
tokens16384
log_probsfp32 [16384, 32768]
target_probsfp32 [16384, 32768]
definition comparatornot_asserted
Measurements
latency · median23.1 ms
latency · p2023.1 ms
latency · p8023.1 ms
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": {
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},
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},
"observedAt": "2024-09-04T12:59:48.000Z",
"measurements": [
{
"unit": "ns",
"value": 23050335,
"metric": "latency",
"statistic": "p20"
},
{
"unit": "ns",
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"metric": "latency",
"statistic": "p80"
}
],
"sourceNative": {
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"metrics": {
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},
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},
"metadata": {
"name": "liger-kl-div-full-torch-nvidia-h100-pcie-tokens16384-vocab32768-fp32-2024-09-04-12-59-48",
"title": "KL-divergence loss · torch · full",
"labels": {
"liger_version": "0.2.1"
}
},
"apiVersion": "kernelindex.dev/v1alpha1"
},
"protocol": {
"kind": "BenchmarkProtocol",
"spec": {
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},
"measurement": {
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},
"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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},
"metadata": {
"name": "liger-bench-nvidia-h100-pcie",
"title": "Liger benchmark host · H100 PCIe"
},
"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 KL-divergence loss →JSON