mm_fp4_nvfp4_cudnn_n2048_k2048
GEMM NVFP4 n2048 k2048 · m = 256 · int8 · run 01a00b1d-03f7…
●passedReported evidence
Primary measurement
126.1µsmean
Rank 4 in its comparison group · source-native comparison · observed 2026-06-06
3.53× reference
Identity
implementationmm_fp4_nvfp4_cudnn_n2048_k2048
projectFlashInfer-Bench baselines
revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c
workloadm = 256 · int8
comparison keysha256:ff0fa6004ca8534b…
sourceFlashInfer-Bench
external idtrace/mm_fp4_nvfp4_cudnn_n2048_k2048/7fde1c76-5731-40f6-a4a3-02b031b04c66
sha256:8ca199b23eea523af99c223…
Correctness
comparatorflashinfer_bench_eval
max absolute error0
max relative error0
resultpassed
Workload
m256
a_fp4int8 [256, 1024]
b_fp4int8 [2048, 1024]
a_scaleint8 [256, 128]
b_scaleint8 [2048, 128]
definition comparatorsol_execbench_eval
Measurements
latency · mean126.1 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
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Replications and notes
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{
"run": {
"kind": "BenchmarkRun",
"spec": {
"status": "passed",
"timing": {
"latencyNs": {
"mean": 126063
},
"primaryStatistic": "mean"
},
"observedAt": "2026-06-06T16:15:04.588Z",
"correctness": {
"comparator": "sol_execbench_eval",
"maximumAbsoluteError": 0,
"maximumRelativeError": 0
},
"sourceNative": {
"source": "flashinfer-bench",
"metrics": {
"latency_ms": 0.12606316666666667,
"speedup_factor": 3.5333741417992828,
"reference_latency_ms": 0.4454283333333333
},
"benchmark": "gemm_nvfp4_n2048_k2048"
},
"protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
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"environmentDigest": "sha256:83c9b6e78d493927f18878d57448d9a0d2221a70840b562455b2665a2897ba19",
"implementationDigest": "sha256:34b698af614e90aafa7441149226d8238c82075f4f5db493e0c64c2bcda55483"
},
"metadata": {
"name": "sol-trace-gemm-nvfp4-n2048-k2048-7fde1c76",
"title": "mm_fp4_nvfp4_cudnn_n2048_k2048 · gemm_nvfp4_n2048_k2048"
},
"apiVersion": "kernelindex.dev/v1alpha1"
},
"protocol": {
"kind": "BenchmarkProtocol",
"spec": {
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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"
},
"apiVersion": "kernelindex.dev/v1alpha1"
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"environment": {
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"spec": {
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"software": {
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}
},
"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 2026-08-16 · FlashInfer-Bench · Apache-2.0All results for GEMM NVFP4 n2048 k2048 →JSON