group_gemm_mxfp4_flashinfer_g4_n4096_k2048
Grouped GEMM mxfp8 MXFP4 g4 n4096 k2048 · m = 512 · fp8_e4m3 · run 01a00b1d-141e…
●passedReported evidence
Primary measurement
321.8µsmean
Rank 1 in its comparison group · source-native comparison · observed 2026-06-06
4.45× reference
Identity
implementationgroup_gemm_mxfp4_flashinfer_g4_n4096_k2048
projectFlashInfer-Bench baselines
revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c
workloadm = 512 · fp8_e4m3
comparison keysha256:d575bc277f27ff5e…
sourceFlashInfer-Bench
external idtrace/group_gemm_mxfp4_flashinfer_g4_n4096_k2048/bb64d8c6-09cf-40d6-9f68-5326a020ca8d
sha256:6c1d558004462146b7d885f…
Correctness
comparatorflashinfer_bench_eval
max absolute error0.0009765625
max relative error0.005318555980920792
resultpassed
Workload
m512
a_fp8fp8_e4m3 [512, 2048]
b_fp4int8 [4, 4096, 1024]
a_scaleint8 [512, 64]
b_scaleint8 [4, 4096, 64]
m_indptrint32 [5]
definition comparatorsol_execbench_eval
Measurements
latency · mean321.8 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
No artifacts published with this run.
Replications and notes
No attestations yet.
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": 321796
},
"primaryStatistic": "mean"
},
"observedAt": "2026-06-06T18:49:38.264Z",
"correctness": {
"comparator": "sol_execbench_eval",
"maximumAbsoluteError": 0.0009765625,
"maximumRelativeError": 0.005318555980920792
},
"sourceNative": {
"source": "flashinfer-bench",
"metrics": {
"latency_ms": 0.32179566666666665,
"speedup_factor": 4.4454006527952,
"reference_latency_ms": 1.4305106666666667
},
"benchmark": "grouped_gemm_mxfp8_mxfp4_g4_n4096_k2048"
},
"protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
"workloadDigest": "sha256:839f9dc87135be986e3392df253ec7bb5380b493def25df39fec37f51553c6bd",
"environmentDigest": "sha256:83c9b6e78d493927f18878d57448d9a0d2221a70840b562455b2665a2897ba19",
"implementationDigest": "sha256:f38fc9c3c93578e4f9111d1814c91e215dbcf26c13bbc84c4cdba5e95afabef3"
},
"metadata": {
"name": "sol-trace-grouped-gemm-mxfp8-mxfp4-g4-n4096-k2048-bb64d8c6",
"title": "group_gemm_mxfp4_flashinfer_g4_n4096_k2048 · grouped_gemm_mxfp8_mxfp4_g4_n4096_k2048"
},
"apiVersion": "kernelindex.dev/v1alpha1"
},
"protocol": {
"kind": "BenchmarkProtocol",
"spec": {
"harness": {
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"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"
},
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},
"environment": {
"kind": "ExecutionEnvironment",
"spec": {
"hardware": {
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"architecture": "unknown"
},
"software": {
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}
},
"metadata": {
"name": "sol-trace-nvidia-b200-2-11-0-cu130-3-6-0-13-0",
"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 n4096 k2048 →JSON