group_gemm_mxfp4_flashinfer_g4_n2048_k2048
Grouped GEMM mxfp8 MXFP4 g4 n2048 k2048 · m = 1024 · fp8_e4m3 · run 01a00b1d-13bc…
●passedReported evidence
Primary measurement
332.1µsmean
Rank 1 in its comparison group · source-native comparison · observed 2026-06-06
3.73× reference
Identity
implementationgroup_gemm_mxfp4_flashinfer_g4_n2048_k2048
projectFlashInfer-Bench baselines
revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c
workloadm = 1024 · fp8_e4m3
comparison keysha256:a8165774bdf175a2…
sourceFlashInfer-Bench
external idtrace/group_gemm_mxfp4_flashinfer_g4_n2048_k2048/86089859-f1e0-4e7e-9e4d-774a85de15c7
sha256:bbd70d5da50dc7350b98e19…
Correctness
comparatorflashinfer_bench_eval
max absolute error0.0078125
max relative error0.004739336669445038
resultpassed
Workload
m1024
a_fp8fp8_e4m3 [1024, 2048]
b_fp4int8 [4, 2048, 1024]
a_scaleint8 [1024, 64]
b_scaleint8 [4, 2048, 64]
m_indptrint32 [5]
definition comparatorsol_execbench_eval
Measurements
latency · mean332.1 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
No artifacts published with this run.
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": 332148
},
"primaryStatistic": "mean"
},
"observedAt": "2026-06-06T18:49:30.831Z",
"correctness": {
"comparator": "sol_execbench_eval",
"maximumAbsoluteError": 0.0078125,
"maximumRelativeError": 0.004739336669445038
},
"sourceNative": {
"source": "flashinfer-bench",
"metrics": {
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"speedup_factor": 3.7296763643133164,
"reference_latency_ms": 1.2388051666666666
},
"benchmark": "grouped_gemm_mxfp8_mxfp4_g4_n2048_k2048"
},
"protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
"workloadDigest": "sha256:d63866aa2324fb37d0096f44f87e84b58e05d94b2ff236000a4cfa04588d1852",
"environmentDigest": "sha256:83c9b6e78d493927f18878d57448d9a0d2221a70840b562455b2665a2897ba19",
"implementationDigest": "sha256:67f671e420d09ccb906aee0eab048442aa80895f4e583a14c0202c51638f1df7"
},
"metadata": {
"name": "sol-trace-grouped-gemm-mxfp8-mxfp4-g4-n2048-k2048-86089859",
"title": "group_gemm_mxfp4_flashinfer_g4_n2048_k2048 · grouped_gemm_mxfp8_mxfp4_g4_n2048_k2048"
},
"apiVersion": "kernelindex.dev/v1alpha1"
},
"protocol": {
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"spec": {
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"repository": "https://github.com/flashinfer-ai/flashinfer-bench"
},
"correctness": {
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},
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},
"comparability": {
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}
},
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"environment": {
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"spec": {
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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 Grouped GEMM mxfp8 MXFP4 g4 n2048 k2048 →JSON