gpt-5 / cudafd76fe
MLA paged prefill causal h16 ckv512 kpe64 ps1 · total_q = 16384 · num_pages = 989669 · len_indptr = 2 · num_kv_indices = 16387 · bf16 · run 01a02032-596a…
●passedReported evidence
Not re-observed recently.
Primary measurement
347.0msmean
Rank 2 in its comparison group · source-native comparison · observed 2025-10-16
27.77× reference
Identity
implementationgpt-5_cuda_fd76fe
projectgpt-5-2025-08-07
revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c
workloadtotal_q = 16384 · num_pages = 989669 · len_indptr = 2 · num_kv_indices = 16387 · bf16
comparison keysha256:e491ec72dbc3e163…
sourceFlashInfer-Bench
external idtrace/gpt-5_cuda_fd76fe/a06f2653-81ce-449f-91dd-e5ae53a16b92
sha256:c5cae208d5818c86da00f48…
Correctness
comparatorflashinfer_bench_eval
max absolute error0.015625
max relative error84.42498016357422
resultpassed
Workload
total_q16384
num_pages989669
len_indptr2
num_kv_indices16387
q_pebf16 [16384, 16, 64]
q_nopebf16 [16384, 16, 512]
ckv_cachebf16 [989669, 1, 512]
kpe_cachebf16 [989669, 1, 64]
kv_indptrint32 [2]
qo_indptrint32 [2]
kv_indicesint32 [16387]
definition comparatorsol_execbench_eval
Measurements
latency · mean347.0 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
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.
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{
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"spec": {
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"timing": {
"latencyNs": {
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},
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},
"observedAt": "2025-10-16T11:28:18.186Z",
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"metadata": {
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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 MLA paged prefill causal h16 ckv512 kpe64 ps1 →JSON