flashinfer_wrapper_bcbabf
GQA paged decode h20 kv4 d128 ps64 · num_pages = 52 · batch_size = 1 · len_indptr = 2 · num_kv_indices = 51 · bf16 · run 01a00b1d-289b…
●passedReported evidence
Primary measurement
171.5µsmean
Rank 2 in its comparison group · source-native comparison · observed 2026-03-28
30.53× reference
Identity
implementationflashinfer_wrapper_bcbabf
projectFlashInfer-Bench baselines
revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c
workloadnum_pages = 52 · batch_size = 1 · len_indptr = 2 · num_kv_indices = 51 · bf16
comparison keysha256:02f45a22dff139c7…
sourceFlashInfer-Bench
external idtrace/flashinfer_wrapper_bcbabf/a7631b8e-fff4-4e89-b1c6-119abeee91da
sha256:925978cca6ca6af5011e34b…
Correctness
comparatorflashinfer_bench_eval
max absolute error0.00048828125
max relative error1.107558250427246
resultpassed
Workload
num_pages52
batch_size1
len_indptr2
num_kv_indices51
qbf16 [1, 20, 128]
k_cachebf16 [52, 64, 4, 128]
v_cachebf16 [52, 64, 4, 128]
kv_indptrint32 [2]
kv_indicesint32 [51]
kv_last_page_lenint32 [1]
definition comparatorsol_execbench_eval
Measurements
latency · mean171.5 µs
Protocol
harnessflashinfer-bench
timerharness_reported
primaryStatisticmean
correctnessReferencedefinition reference implementation
comparabilityFamilyflashinfer_bench_trace
Environment
gpuNVIDIA B200 (unknown)
cudaToolkit12.8
frameworkpytorch 2.9.1+cu128
Artifacts
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Community attestations. They never change the evidence level; only a KernelIndex-controlled rerun does.
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{
"run": {
"kind": "BenchmarkRun",
"spec": {
"status": "passed",
"timing": {
"latencyNs": {
"mean": 171519
},
"primaryStatistic": "mean"
},
"observedAt": "2026-03-28T04:30:40.194Z",
"correctness": {
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"maximumAbsoluteError": 0.00048828125,
"maximumRelativeError": 1.107558250427246
},
"sourceNative": {
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"metrics": {
"latency_ms": 0.171519,
"speedup_factor": 30.525312064552615,
"reference_latency_ms": 5.235671
},
"benchmark": "gqa_paged_decode_h20_kv4_d128_ps64"
},
"protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
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"implementationDigest": "sha256:1a081dab2e7f927149c8b3aa27e3bd7d401852544e3b7e2d2d8f6dddd0901d1c"
},
"metadata": {
"name": "sol-trace-gqa-paged-decode-h20-kv4-d128-ps64-a7631b8e",
"title": "flashinfer_wrapper_bcbabf · gqa_paged_decode_h20_kv4_d128_ps64"
},
"apiVersion": "kernelindex.dev/v1alpha1"
},
"protocol": {
"kind": "BenchmarkProtocol",
"spec": {
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},
"correctness": {
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},
"measurement": {
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"primaryStatistic": "mean"
},
"comparability": {
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},
"metadata": {
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},
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"environment": {
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"title": "NVIDIA B200 (trace-reported software)"
},
"apiVersion": "kernelindex.dev/v1alpha1"
}
}Cite this record (permalink, digest, access date)
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Published 2026-08-16 · FlashInfer-Bench · Apache-2.0All results for GQA paged decode h20 kv4 d128 ps64 →JSON