deepgemm_m_grouped_fp8_fp4_masked_g4_n4096_k2048
Grouped GEMM FP8 fp4 m masked g4 n4096 k2048 · max_m = 512 · fp32/fp8_e4m3 · run 01a00b1d-12f9…
●passedReported evidence
Primary measurement
162.1µsmean
Rank 2 in its comparison group · source-native comparison · observed 2026-06-06
11.74× reference
Identity
implementationdeepgemm_m_grouped_fp8_fp4_masked_g4_n4096_k2048
projectFlashInfer-Bench baselines
revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c
workloadmax_m = 512 · fp32/fp8_e4m3
comparison keysha256:e2ae0f61edf5d78f…
sourceFlashInfer-Bench
external idtrace/deepgemm_m_grouped_fp8_fp4_masked_g4_n4096_k2048/b03e326b-b1d4-4e7b-8c63-91c48cf7143d
sha256:c1f6ec9212452578b75b367…
Correctness
comparatorflashinfer_bench_eval
max absolute error0
max relative error0
resultpassed
Workload
max_m512
a_fp8fp8_e4m3 [4, 512, 2048]
b_fp4int8 [4, 4096, 1024]
a_scalefp32 [4, 512, 16]
b_scalefp32 [4, 4096, 64]
masked_mint32 [4]
definition comparatorsol_execbench_eval
Measurements
latency · mean162.1 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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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": 162138
},
"primaryStatistic": "mean"
},
"observedAt": "2026-06-06T21:22:28.383Z",
"correctness": {
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"maximumAbsoluteError": 0,
"maximumRelativeError": 0
},
"sourceNative": {
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"metrics": {
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"speedup_factor": 11.739589875692186,
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},
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"protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
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"metadata": {
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},
"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 FP8 fp4 m masked g4 n4096 k2048 →JSON