gpt-o3 / triton4c17a1
MLA paged decode h16 ckv512 kpe64 ps1 · num_pages = 989669 · batch_size = 16 · len_indptr = 17 · num_kv_indices = 9657 · bf16 · run 01a02032-5e3e…
●passedReported evidence
Not re-observed recently.
Primary measurement
270.8µsmean
Rank 2 in its comparison group · source-native comparison · observed 2025-10-16
28.76× reference
Identity
implementationgpt-o3_triton_4c17a1
projectgpt-o3
revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c
workloadnum_pages = 989669 · batch_size = 16 · len_indptr = 17 · num_kv_indices = 9657 · bf16
comparison keysha256:827972d6b4cdd5d1…
sourceFlashInfer-Bench
external idtrace/gpt-o3_triton_4c17a1/c4e14a53-dad1-404e-ae4f-bbe3355d8504
sha256:542d74076dfb041db3183f7…
Correctness
comparatorflashinfer_bench_eval
max absolute error0.015625
max relative error0.12530304491519928
resultpassed
Workload
num_pages989669
batch_size16
len_indptr17
num_kv_indices9657
q_pebf16 [16, 16, 64]
q_nopebf16 [16, 16, 512]
ckv_cachebf16 [989669, 1, 512]
kpe_cachebf16 [989669, 1, 64]
kv_indptrint32 [17]
kv_indicesint32 [9657]
definition comparatorsol_execbench_eval
Measurements
latency · mean270.8 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": 270820
},
"primaryStatistic": "mean"
},
"observedAt": "2025-10-16T11:05:34.976Z",
"correctness": {
"comparator": "sol_execbench_eval",
"maximumAbsoluteError": 0.015625,
"maximumRelativeError": 0.12530304491519928
},
"sourceNative": {
"source": "flashinfer-bench",
"metrics": {
"latency_ms": 0.27082042641615783,
"speedup_factor": 28.764158930462678,
"reference_latency_ms": 7.789921787050036
},
"benchmark": "mla_paged_decode_h16_ckv512_kpe64_ps1"
},
"protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
"workloadDigest": "sha256:3c84d645afb17633e63970cf012c1fecee8b8d9bee2964b7438144d0cfd34f08",
"environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
"implementationDigest": "sha256:3da822530f4925b23d07b281c971e733bdc1067be986982bc2e1bdbdbd7a38f0"
},
"metadata": {
"name": "sol-trace-mla-paged-decode-h16-ckv512-kpe64-ps1-c4e14a53",
"title": "gpt-o3_triton_4c17a1 · mla_paged_decode_h16_ckv512_kpe64_ps1"
},
"apiVersion": "kernelindex.dev/v1alpha1"
},
"protocol": {
"kind": "BenchmarkProtocol",
"spec": {
"harness": {
"name": "flashinfer-bench",
"repository": "https://github.com/flashinfer-ai/flashinfer-bench"
},
"correctness": {
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"comparator": "flashinfer_bench_eval"
},
"measurement": {
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"primaryStatistic": "mean"
},
"comparability": {
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}
},
"metadata": {
"name": "flashinfer-bench-trace",
"title": "FlashInfer-Bench trace harness"
},
"apiVersion": "kernelindex.dev/v1alpha1"
},
"environment": {
"kind": "ExecutionEnvironment",
"spec": {
"hardware": {
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"architecture": "unknown"
},
"software": {
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},
"libraries": {
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},
"cudaToolkit": "12.8"
}
},
"metadata": {
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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 MLA paged decode h16 ckv512 kpe64 ps1 →JSON