Run 01a00b1b · KernelIndex

Primary measurement

273.6µsmean

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

0.23× reference

Identity

implementationmm_fp4_mxfp4_cudnn_n2048_k2048

projectFlashInfer-Bench baselines

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadm = 128 · bf16

comparison keysha256:cbae098e62542bde…

sourceFlashInfer-Bench

external idtrace/mm_fp4_mxfp4_cudnn_n2048_k2048/579de3dd-6ae1-4b08-b099-a07590c44087

sha256:752f63d0892456073ff233d…

Correctness

comparatorflashinfer_bench_eval

max absolute error0

max relative error0

resultpassed

Workload

m128

abf16 [128, 2048]

bbf16 [2048, 2048]

definition comparatorsol_execbench_eval

Measurements

latency · mean273.6 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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Canonical manifest

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{
  "run": {
    "kind": "BenchmarkRun",
    "spec": {
      "status": "passed",
      "timing": {
        "latencyNs": {
          "mean": 273615
        },
        "primaryStatistic": "mean"
      },
      "observedAt": "2026-06-06T16:14:36.880Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0,
        "maximumRelativeError": 0
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.27361516666666663,
          "speedup_factor": 0.22907051326954955,
          "reference_latency_ms": 0.06267716666666667
        },
        "benchmark": "gemm_mxfp4_n2048_k2048"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:f3f59f3794c449b657e5abe0e5bff4a8b6251fb10669e11b54be98d4f1854c29",
      "environmentDigest": "sha256:83c9b6e78d493927f18878d57448d9a0d2221a70840b562455b2665a2897ba19",
      "implementationDigest": "sha256:8c1897d90f546c8f648f8aefcff0240a3615e6f781664751cb48a73f846ad66e"
    },
    "metadata": {
      "name": "sol-trace-gemm-mxfp4-n2048-k2048-579de3dd",
      "title": "mm_fp4_mxfp4_cudnn_n2048_k2048 · gemm_mxfp4_n2048_k2048"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  },
  "protocol": {
    "kind": "BenchmarkProtocol",
    "spec": {
      "harness": {
        "name": "flashinfer-bench",
        "repository": "https://github.com/flashinfer-ai/flashinfer-bench"
      },
      "correctness": {
        "reference": "definition reference implementation",
        "comparator": "flashinfer_bench_eval"
      },
      "measurement": {
        "timer": "harness_reported",
        "primaryStatistic": "mean"
      },
      "comparability": {
        "family": "flashinfer_bench_trace"
      }
    },
    "metadata": {
      "name": "flashinfer-bench-trace",
      "title": "FlashInfer-Bench trace harness"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  },
  "environment": {
    "kind": "ExecutionEnvironment",
    "spec": {
      "hardware": {
        "vendor": "nvidia",
        "product": "NVIDIA B200",
        "architecture": "unknown"
      },
      "software": {
        "framework": {
          "name": "pytorch",
          "version": "2.11.0+cu130"
        },
        "libraries": {
          "triton": "3.6.0"
        },
        "cudaToolkit": "13.0"
      }
    },
    "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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Published 2026-08-16 · FlashInfer-Bench · Apache-2.0All results for GEMM MXFP4 n2048 k2048 →JSON