gpt-o3 / cuda5548d0
GQA paged decode h32 kv4 d128 ps1 · num_pages = 67 · batch_size = 1 · len_indptr = 2 · num_kv_indices = 50 · bf16 · run 01a02032-5c55…
●passedReported evidence
Not re-observed recently.
Primary measurement
58.4µsmean
Rank 2 in its comparison group · source-native comparison · observed 2025-10-16
495.27× reference
Identity
implementationgpt-o3_cuda_5548d0
projectgpt-o3
revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c
workloadnum_pages = 67 · batch_size = 1 · len_indptr = 2 · num_kv_indices = 50 · bf16
comparison keysha256:2600daf1e8f39364…
sourceFlashInfer-Bench
external idtrace/gpt-o3_cuda_5548d0/48d4f85b-e451-4956-9db5-28192ebc23fa
sha256:df1da7c44b255733216b8cf…
Correctness
comparatorflashinfer_bench_eval
max absolute error9.5367431640625e-7
max relative error0.006491738371551037
resultpassed
Workload
num_pages67
batch_size1
len_indptr2
num_kv_indices50
qbf16 [1, 32, 128]
k_cachebf16 [67, 1, 4, 128]
v_cachebf16 [67, 1, 4, 128]
kv_indptrint32 [2]
kv_indicesint32 [50]
definition comparatorsol_execbench_eval
Measurements
latency · mean58.4 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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{
"run": {
"kind": "BenchmarkRun",
"spec": {
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"timing": {
"latencyNs": {
"mean": 58370
},
"primaryStatistic": "mean"
},
"observedAt": "2025-10-16T01:28:03.056Z",
"correctness": {
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},
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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 GQA paged decode h32 kv4 d128 ps1 →JSON