gpt-5 / cuda95c7fe
GQA paged decode h32 kv8 d128 ps1 · num_pages = 55 · batch_size = 1 · len_indptr = 2 · num_kv_indices = 38 · bf16 · run 01a02032-591e…
●passedReported evidence
Not re-observed recently.
Primary measurement
32.8µsmean
Rank 5 in its comparison group · source-native comparison · observed 2025-10-16
960.93× reference
Identity
implementationgpt-5_cuda_95c7fe
projectgpt-5-2025-08-07
revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c
workloadnum_pages = 55 · batch_size = 1 · len_indptr = 2 · num_kv_indices = 38 · bf16
comparison keysha256:22d3c953c19762bc…
sourceFlashInfer-Bench
external idtrace/gpt-5_cuda_95c7fe/d58b7e5a-3f37-4ffb-9b7d-b346be0f3b58
sha256:01b02ef4b78414093b5a5e4…
Correctness
comparatorflashinfer_bench_eval
max absolute error0.0009765625
max relative error0.018401911482214928
resultpassed
Workload
num_pages55
batch_size1
len_indptr2
num_kv_indices38
qbf16 [1, 32, 128]
k_cachebf16 [55, 1, 8, 128]
v_cachebf16 [55, 1, 8, 128]
kv_indptrint32 [2]
kv_indicesint32 [38]
definition comparatorsol_execbench_eval
Measurements
latency · mean32.8 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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{
"run": {
"kind": "BenchmarkRun",
"spec": {
"status": "passed",
"timing": {
"latencyNs": {
"mean": 32769
},
"primaryStatistic": "mean"
},
"observedAt": "2025-10-16T01:52:58.161Z",
"correctness": {
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"maximumAbsoluteError": 0.0009765625,
"maximumRelativeError": 0.018401911482214928
},
"sourceNative": {
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"metrics": {
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},
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},
"metadata": {
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"title": "gpt-5_cuda_95c7fe · gqa_paged_decode_h32_kv8_d128_ps1"
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"protocol": {
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},
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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 kv8 d128 ps1 →JSON