Liger
Rotary position embedding · seq = 2048 · hidden = 512 · q_heads = 32 · kv_heads = 8 · bf16 · run 01a016ae-091a…
●passedReported evidence
Not re-observed recently.
Primary measurement
11.4µsmedian
Rank 1 in its comparison group · source-native comparison · observed 2024-09-03
ms 20 0.01033599954098463 · ms 50 0.011359999887645245 · ms 80 0.011455999687314034
Identity
implementationLiger
projectLiger-Kernel
revisionunknown
workloadseq = 2048 · hidden = 512 · q_heads = 32 · kv_heads = 8 · bf16
comparison keysha256:ff31972e560bf3b4…
sourceLiger-Kernel benchmarks
external idrope/forward/liger/nvidia-a100-sxm4-80gb/hidden512-kv_heads8-q_heads32-seq2048-bf16/2024-09-03-15-39-55
sha256:a13926a98e05af8f1e4806c…
Correctness
Marked passed by the source; the correctness policy was not published.
Workload
seq2048
hidden512
q_heads32
kv_heads8
kbf16 [1, 8, 2048, 16]
qbf16 [1, 32, 2048, 16]
definition comparatornot_asserted
Measurements
latency · median11.4 µs
latency · p2010.3 µs
latency · p8011.5 µs
Protocol
harnessLiger-Kernel benchmark scripts
timercuda_events
primaryStatisticmedian
comparabilityFamilyliger_kernel_bench
Environment
gpuNVIDIA A100 (sm_80)
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": 11360
},
"primaryStatistic": "median"
},
"observedAt": "2024-09-03T15:39:55.000Z",
"measurements": [
{
"unit": "ns",
"value": 10336,
"metric": "latency",
"statistic": "p20"
},
{
"unit": "ns",
"value": 11456,
"metric": "latency",
"statistic": "p80"
}
],
"sourceNative": {
"source": "liger-kernel-bench",
"metrics": {
"ms_20": 0.01033599954098463,
"ms_50": 0.011359999887645245,
"ms_80": 0.011455999687314034
},
"benchmark": "rope/forward",
"externalId": "rope/forward/liger/nvidia-a100-sxm4-80gb/hidden512-kv_heads8-q_heads32-seq2048-bf16/2024-09-03-15-39-55"
},
"protocolDigest": "sha256:a79eaf4df66c97c6adc1fb2d09df78682155d1ea86652ae0b70199875bde7747",
"workloadDigest": "sha256:1415fc0b1b53aa8f16a41dfe92a66a1584b2d0b9523b0058543ea3a8ac7b5314",
"environmentDigest": "sha256:90c9e2764222f592477cfccf3373519add5a1b881563956ad058c4f99e41b6b9",
"implementationDigest": "sha256:51eb16de033f2219f67b768ae0f8b919b4f1af7bd11ee0c19e51fe8df440fa54"
},
"metadata": {
"name": "liger-rope-forward-liger-nvidia-a100-sxm4-80gb-hidden512-kv-heads8-q-heads32-seq2048-bf16-2024-09-03",
"title": "Rotary position embedding · liger · forward",
"labels": {
"liger_version": "0.2.1"
}
},
"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 module forward 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-forward",
"title": "Liger benchmark harness · forward pass"
},
"apiVersion": "kernelindex.dev/v1alpha1"
},
"environment": {
"kind": "ExecutionEnvironment",
"spec": {
"hardware": {
"vendor": "nvidia",
"product": "NVIDIA A100",
"formFactor": "SXM4-80GB",
"architecture": "sm_80"
},
"software": {}
},
"metadata": {
"name": "liger-bench-nvidia-a100-sxm4-80gb",
"title": "Liger benchmark host · A100-SXM4-80GB"
},
"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 Rotary position embedding →JSON