gpt-5 / cuda0b3c0a
GQA ragged prefill causal h32 kv8 d128 · total_q = 92 · total_kv = 92 · len_indptr = 6 · bf16 · run 01a02032-595d…
●passedReported evidence
Not re-observed recently.
Primary measurement
190.1µsmean
Rank 3 in its comparison group · source-native comparison · observed 2025-10-19
64.19× reference
Identity
implementationgpt-5_cuda_0b3c0a
projectgpt-5-2025-08-07
revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c
workloadtotal_q = 92 · total_kv = 92 · len_indptr = 6 · bf16
comparison keysha256:e4331a0699f82605…
sourceFlashInfer-Bench
external idtrace/gpt-5_cuda_0b3c0a/dc8c1d18-3976-48c0-bdf1-f9bcb999cdd4
sha256:bd9de615c2a1103ee86a244…
Correctness
comparatorflashinfer_bench_eval
max absolute error0.0078125
max relative error0.24701961874961853
resultpassed
Workload
total_q92
total_kv92
len_indptr6
kbf16 [92, 8, 128]
qbf16 [92, 32, 128]
vbf16 [92, 8, 128]
kv_indptrint32 [6]
qo_indptrint32 [6]
definition comparatorsol_execbench_eval
Measurements
latency · mean190.1 µs
Protocol
harnessflashinfer-bench
timerharness_reported
primaryStatisticmean
correctnessReferencedefinition reference implementation
comparabilityFamilyflashinfer_bench_trace
Environment
gpuNVIDIA B200 (unknown)
cudaToolkit12.8
frameworkpytorch 2.8.0+cu128
Artifacts
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Replications and notes
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Community attestations. They never change the evidence level; only a KernelIndex-controlled rerun does.
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{
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"observedAt": "2025-10-19T23:03:47.416Z",
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}Cite this record (permalink, digest, access date)
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Published 2026-08-20 · FlashInfer-Bench · Apache-2.0All results for GQA ragged prefill causal h32 kv8 d128 →JSON