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deepgemm_m_grouped_fp8_fp4_contiguous_g4_n2048_k2048

Grouped GEMM FP8 fp4 m contiguous g4 n2048 k2048 · m = 1920 · fp32/fp8_e4m3 · run 01a00b1d-10a5…
●passedReported evidence
Primary measurement
20.7µsmean

Rank 1 in its comparison group · source-native comparison · observed 2026-06-06

89.66× reference

Identity
implementationdeepgemm_m_grouped_fp8_fp4_contiguous_g4_n2048_k2048
projectFlashInfer-Bench baselines
revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c
workloadm = 1920 · fp32/fp8_e4m3
comparison keysha256:b32dbe2648809496…
sourceFlashInfer-Bench
external idtrace/deepgemm_m_grouped_fp8_fp4_contiguous_g4_n2048_k2048/043a74d5-bb1c-46eb-a984-69fb5723ad94
sha256:9ba8902f9aa8e5adcab576d…

Correctness

comparatorflashinfer_bench_eval
max absolute error0.000244140625
max relative error0.011363467201590538
resultpassed

Workload

m1920
a_fp8fp8_e4m3 [1920, 2048]
b_fp4int8 [4, 2048, 1024]
a_scalefp32 [1920, 16]
b_scalefp32 [4, 2048, 64]
m_indicesint32 [1920]
definition comparatorsol_execbench_eval

Measurements

latency · mean20.7 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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Canonical manifest

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{
  "run": {
    "kind": "BenchmarkRun",
    "spec": {
      "status": "passed",
      "timing": {
        "latencyNs": {
          "mean": 20746
        },
        "primaryStatistic": "mean"
      },
      "observedAt": "2026-06-06T21:16:54.122Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0.000244140625,
        "maximumRelativeError": 0.011363467201590538
      },
      "sourceNative": {
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        "metrics": {
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          "speedup_factor": 89.6550663164068,
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        },
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      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:663b37df99efb2c1302efaae6ea7c21c336180cea031324a92fbf380b16e5698",
      "environmentDigest": "sha256:83c9b6e78d493927f18878d57448d9a0d2221a70840b562455b2665a2897ba19",
      "implementationDigest": "sha256:7045e8316cd6f76d4c2e838c0b527c8a9a7cf49fa77a29b9fc1920ac82c084c1"
    },
    "metadata": {
      "name": "sol-trace-grouped-gemm-fp8-fp4-m-contiguous-g4-n2048-k2048-043a74d5",
      "title": "deepgemm_m_grouped_fp8_fp4_contiguous_g4_n2048_k2048 · grouped_gemm_fp8_fp4_m_contiguous_g4_n2048_k2048"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
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  "protocol": {
    "kind": "BenchmarkProtocol",
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      "comparability": {
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      "title": "FlashInfer-Bench trace harness"
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    "apiVersion": "kernelindex.dev/v1alpha1"
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  "environment": {
    "kind": "ExecutionEnvironment",
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      "hardware": {
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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"
  }
}
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