cublaslt_nvfp4_scaled_mm_n2048_k2048
GEMM NVFP4 n2048 k2048 · m = 128 · int8 · run 01a00b1d-0582…
●passedReported evidence
Primary measurement
101.8µsmean
Rank 4 in its comparison group · source-native comparison · observed 2026-06-06
4.38× reference
Identity
implementationcublaslt_nvfp4_scaled_mm_n2048_k2048
projectFlashInfer-Bench baselines
revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c
workloadm = 128 · int8
comparison keysha256:1b80cb87fb4587fe…
sourceFlashInfer-Bench
external idtrace/cublaslt_nvfp4_scaled_mm_n2048_k2048/17a7a60f-8bc7-4f17-9152-5446fd4ea9d2
sha256:447fa9ea9608068d37c40fe…
Correctness
comparatorflashinfer_bench_eval
max absolute error1
max relative error0.007751937955617905
resultpassed
Workload
m128
a_fp4int8 [128, 1024]
b_fp4int8 [2048, 1024]
a_scaleint8 [128, 128]
b_scaleint8 [2048, 128]
definition comparatorsol_execbench_eval
Measurements
latency · mean101.8 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
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Replications and notes
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{
"run": {
"kind": "BenchmarkRun",
"spec": {
"status": "passed",
"timing": {
"latencyNs": {
"mean": 101813
},
"primaryStatistic": "mean"
},
"observedAt": "2026-06-06T21:33:15.313Z",
"correctness": {
"comparator": "sol_execbench_eval",
"maximumAbsoluteError": 1,
"maximumRelativeError": 0.007751937955617905
},
"sourceNative": {
"source": "flashinfer-bench",
"metrics": {
"latency_ms": 0.10181333333333333,
"speedup_factor": 4.375150602409639,
"reference_latency_ms": 0.44544866666666666
},
"benchmark": "gemm_nvfp4_n2048_k2048"
},
"protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
"workloadDigest": "sha256:60e440e15d74addd93ba1afc8446d80c7285bde88259314be9aa9bd24b58f0a5",
"environmentDigest": "sha256:83c9b6e78d493927f18878d57448d9a0d2221a70840b562455b2665a2897ba19",
"implementationDigest": "sha256:59a1441ae725c733b628532dc83ab21d17745100f8e1175f106de1650f697888"
},
"metadata": {
"name": "sol-trace-gemm-nvfp4-n2048-k2048-17a7a60f",
"title": "cublaslt_nvfp4_scaled_mm_n2048_k2048 · gemm_nvfp4_n2048_k2048"
},
"apiVersion": "kernelindex.dev/v1alpha1"
},
"protocol": {
"kind": "BenchmarkProtocol",
"spec": {
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},
"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