mm_fp4_out_nvfp4_flashinfer_n2048_k2048
GEMM MXFP4 out NVFP4 n2048 k2048 · m = 128 · bf16 · run 01a00b1b-923c…
●passedReproduction-ready evidence
Primary measurement
358.8µsmean
Rank 1 in its comparison group · source-native comparison · observed 2026-06-06
0.28× reference
Identity
implementationmm_fp4_out_nvfp4_flashinfer_n2048_k2048
projectFlashInfer-Bench baselines
revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c
workloadm = 128 · bf16
comparison keysha256:d75a301b69df7d21…
sourceFlashInfer-Bench
external idtrace/mm_fp4_out_nvfp4_flashinfer_n2048_k2048/37fc90cd-d34a-42b7-bb14-3313b9c7973e
sha256:8c52c45f9882ea9429c04b0…
Correctness
comparatorflashinfer_bench_eval
max absolute error0
max relative error0
resultpassed
Workload
m128
abf16 [128, 2048]
bbf16 [2048, 2048]
definition comparatorsol_execbench_eval
Measurements
latency · mean358.8 µs
Protocol
harnessflashinfer-bench
timerharness_reported
primaryStatisticmean
correctnessReferencedefinition reference implementation
comparabilityFamilyflashinfer_bench_trace
Environment
gpuNVIDIA B200 (unknown)
cudaToolkit13.0
frameworkpytorch 2.11.0+cu130
Artifacts
logssha256:53eeb110c467f606… · text/plain · unavailable
Replications and notes
No attestations yet.
Community attestations. They never change the evidence level; only a KernelIndex-controlled rerun does.
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Canonical manifest
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{
"run": {
"kind": "BenchmarkRun",
"spec": {
"status": "passed",
"timing": {
"latencyNs": {
"mean": 358772
},
"primaryStatistic": "mean"
},
"evidence": {
"logs": {
"uri": "kernelindex:artifact/sha256:53eeb110c467f606db0ba70a0914267196a9db59cc93bc84fa14490028194d9b",
"digest": "sha256:53eeb110c467f606db0ba70a0914267196a9db59cc93bc84fa14490028194d9b"
}
},
"observedAt": "2026-06-06T22:03:51.009Z",
"correctness": {
"comparator": "sol_execbench_eval",
"maximumAbsoluteError": 0,
"maximumRelativeError": 0
},
"sourceNative": {
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"metrics": {
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"speedup_factor": 0.2760664861123369,
"reference_latency_ms": 0.09904483333333332
},
"benchmark": "gemm_mxfp4_out_nvfp4_n2048_k2048"
},
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"workloadDigest": "sha256:ea366248f4f013d09e42632a94fe2a3be976d4153cbce681c645b9e538c3acf5",
"environmentDigest": "sha256:83c9b6e78d493927f18878d57448d9a0d2221a70840b562455b2665a2897ba19",
"implementationDigest": "sha256:47dfc33bd3e8727fcdf9a45d4f0ad6c0f0521ad3051d572532261a38e8429a35"
},
"metadata": {
"name": "sol-trace-gemm-mxfp4-out-nvfp4-n2048-k2048-37fc90cd",
"title": "mm_fp4_out_nvfp4_flashinfer_n2048_k2048 · gemm_mxfp4_out_nvfp4_n2048_k2048"
},
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"protocol": {
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},
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},
"metadata": {
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"environment": {
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"spec": {
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"software": {
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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 2026-08-16 · FlashInfer-Bench · Apache-2.0All results for GEMM MXFP4 out NVFP4 n2048 k2048 →JSON