gpt-5_triton_f88811
GQA paged decode h32 kv4 d128 ps1 · num_pages = 9317 · batch_size = 1 · len_indptr = 2 · num_kv_indices = 72 · bf16 · run 01a02032-578c…
●passedReported evidence
Not re-observed recently.
Primary measurement
67.8µsmean
Rank 3 in its comparison group · source-native comparison · observed 2025-10-16
453.70× reference
Identity
implementationgpt-5_triton_f88811
projectgpt-5-2025-08-07
revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c
workloadnum_pages = 9317 · batch_size = 1 · len_indptr = 2 · num_kv_indices = 72 · bf16
comparison keysha256:c9b21fab7bebdbb3…
sourceFlashInfer-Bench
external idtrace/gpt-5_triton_f88811/092f2c35-bc7c-4500-8d8b-bbab6db5faa4
sha256:723c18e8a4bd2ba131ccf14…
Correctness
comparatorflashinfer_bench_eval
max absolute error0.000003814697265625
max relative error0.006756636779755354
resultpassed
Workload
num_pages9317
batch_size1
len_indptr2
num_kv_indices72
qbf16 [1, 32, 128]
k_cachebf16 [9317, 1, 4, 128]
v_cachebf16 [9317, 1, 4, 128]
kv_indptrint32 [2]
kv_indicesint32 [72]
definition comparatorsol_execbench_eval
Measurements
latency · mean67.8 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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Community attestations. They never change the evidence level; only a KernelIndex-controlled rerun does.
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{
"run": {
"kind": "BenchmarkRun",
"spec": {
"status": "passed",
"timing": {
"latencyNs": {
"mean": 67823
},
"primaryStatistic": "mean"
},
"observedAt": "2025-10-16T01:28:00.566Z",
"correctness": {
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"maximumAbsoluteError": 0.000003814697265625,
"maximumRelativeError": 0.006756636779755354
},
"sourceNative": {
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"metrics": {
"latency_ms": 0.06782260420779153,
"speedup_factor": 453.6999826059498,
"reference_latency_ms": 30.771114349365234
},
"benchmark": "gqa_paged_decode_h32_kv4_d128_ps1"
},
"protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
"workloadDigest": "sha256:fd4ff296c507840971270ecc8a64e59dc791a48c120686689be6d9a931234b76",
"environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
"implementationDigest": "sha256:09a3a02d28d801076ad976133b410f793223f2428100276618e716be6d2567ac"
},
"metadata": {
"name": "sol-trace-gqa-paged-decode-h32-kv4-d128-ps1-092f2c35",
"title": "gpt-5_triton_f88811 · gqa_paged_decode_h32_kv4_d128_ps1"
},
"apiVersion": "kernelindex.dev/v1alpha1"
},
"protocol": {
"kind": "BenchmarkProtocol",
"spec": {
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},
"correctness": {
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"comparator": "flashinfer_bench_eval"
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"measurement": {
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"primaryStatistic": "mean"
},
"comparability": {
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},
"metadata": {
"name": "flashinfer-bench-trace",
"title": "FlashInfer-Bench trace harness"
},
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"environment": {
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"spec": {
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"software": {
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},
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"title": "NVIDIA B200 (trace-reported software)"
},
"apiVersion": "kernelindex.dev/v1alpha1"
}
}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