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-1297…
●passedReported evidence
Primary measurement
160.3µsmean
Rank 1 in its comparison group · source-native comparison · observed 2026-06-06
11.94× 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_k2048/653789e9-6721-4f1b-9632-a9a6490d4faf
sha256:a726479d52d559fa83982d4…
Correctness
comparatorflashinfer_bench_eval
max absolute error0.5
max relative error0.0058139534667134285
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 · mean160.3 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": 160335
},
"primaryStatistic": "mean"
},
"observedAt": "2026-06-06T21:22:21.941Z",
"correctness": {
"comparator": "sol_execbench_eval",
"maximumAbsoluteError": 0.5,
"maximumRelativeError": 0.0058139534667134285
},
"sourceNative": {
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"metrics": {
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"speedup_factor": 11.94092362961261,
"reference_latency_ms": 1.9145459999999999
},
"benchmark": "grouped_gemm_fp8_fp4_m_masked_g4_n4096_k2048"
},
"protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
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"implementationDigest": "sha256:a0ee17ed3a07f65d825b80abedca3c60a5e4562dbe5df7f21ea37d10e0a680aa"
},
"metadata": {
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"title": "deepgemm_m_grouped_fp8_fp4_masked_g4_n4096_k2048 · grouped_gemm_fp8_fp4_m_masked_g4_n4096_k2048"
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"apiVersion": "kernelindex.dev/v1alpha1"
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"protocol": {
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},
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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 FP8 fp4 m masked g4 n4096 k2048 →JSON