gpt-5 / cuda00b2dd
GQA paged decode h32 kv4 d128 ps1 · num_pages = 52831 · batch_size = 64 · len_indptr = 65 · num_kv_indices = 52815 · bf16 · run 01a02032-578e…
●passedReported evidence
Not re-observed recently.
Primary measurement
3.43msmean
Rank 5 in its comparison group · source-native comparison · observed 2025-10-16
541.65× reference
Identity
implementationgpt-5_cuda_00b2dd
projectgpt-5-2025-08-07
revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c
workloadnum_pages = 52831 · batch_size = 64 · len_indptr = 65 · num_kv_indices = 52815 · bf16
comparison keysha256:de3688cbc19f579e…
sourceFlashInfer-Bench
external idtrace/gpt-5_cuda_00b2dd/eb38f7ba-74d2-4233-92ea-d86bc961b4c7
sha256:4e4653532f487bd4571638a…
Correctness
comparatorflashinfer_bench_eval
max absolute error0.0009765625
max relative error0.24172858893871307
resultpassed
Workload
num_pages52831
batch_size64
len_indptr65
num_kv_indices52815
qbf16 [64, 32, 128]
k_cachebf16 [52831, 1, 4, 128]
v_cachebf16 [52831, 1, 4, 128]
kv_indptrint32 [65]
kv_indicesint32 [52815]
definition comparatorsol_execbench_eval
Measurements
latency · mean3.43 ms
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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"timing": {
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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 paged decode h32 kv4 d128 ps1 →JSON