Run 01a02032 · KernelIndex

Primary measurement

279.7µsmean

Rank 7 in its comparison group · source-native comparison · observed 2025-10-16

Compare with #1 →

3.34× reference

Identity

implementationclaude-opus-4-1_cuda_1970e7

projectclaude-opus-4-1-20250805

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadm = 32 · fp16

comparison keysha256:fd6c4252fce9597a…

sourceFlashInfer-Bench

external idtrace/claude-opus-4-1_cuda_1970e7/5230e6ed-48b8-4765-bc9f-a7cdaabed615

sha256:53f9ed0c2139c9450dda4a0…

Correctness

comparatorflashinfer_bench_eval

max absolute error0.125

max relative error0.608029305934906

resultpassed

Workload

m32

afp16 [32, 4096]

bfp16 [4096, 4096]

definition comparatorsol_execbench_eval

Measurements

latency · mean279.7 µs

Protocol

harnessflashinfer-bench

timerharness_reported

primaryStatisticmean

correctnessReferencedefinition reference implementation

comparabilityFamilyflashinfer_bench_trace

Environment

gpuNVIDIA B200 (unknown)

cudaToolkit12.8

frameworkpytorch 2.8.0+cu128

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": 279725
        },
        "primaryStatistic": "mean"
      },
      "observedAt": "2025-10-16T01:20:13.137Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0.125,
        "maximumRelativeError": 0.608029305934906
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.279724855449597,
          "speedup_factor": 3.3415360213663683,
          "reference_latency_ms": 0.9347106805563289
        },
        "benchmark": "gemm_n4096_k4096"
      },
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      "workloadDigest": "sha256:bbdd36f5d1589642a19e8cc8fbe40408ffd13469c0767ee16d3f23e77c7afcf0",
      "environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
      "implementationDigest": "sha256:97b87e562d6fecf308c954cc6602a86a0672190908046ae9b46f8e4444966d8a"
    },
    "metadata": {
      "name": "sol-trace-gemm-n4096-k4096-5230e6ed",
      "title": "claude-opus-4-1_cuda_1970e7 · gemm_n4096_k4096"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  },
  "protocol": {
    "kind": "BenchmarkProtocol",
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        "repository": "https://github.com/flashinfer-ai/flashinfer-bench"
      },
      "correctness": {
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        "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"
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  "environment": {
    "kind": "ExecutionEnvironment",
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    },
    "metadata": {
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      "title": "NVIDIA B200 (trace-reported software)"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  }
}

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Published 2026-08-20 · FlashInfer-Bench · Apache-2.0All results for GEMM n4096 k4096 →JSON

claude-opus-4-1 / cuda1970e7