Run 01a02032 · KernelIndex

Primary measurement

280.1µsmean

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

Compare with #1 →

1.64× reference

Identity

implementationclaude-opus-4-1_cuda_1970e7

projectclaude-opus-4-1-20250805

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadm = 2 · fp16

comparison keysha256:396e9f9679f8bd6b…

sourceFlashInfer-Bench

external idtrace/claude-opus-4-1_cuda_1970e7/6c2f4ba8-94d3-4e8f-997f-b7454242695a

sha256:23fc97c5e6e08dc1be877ee…

Correctness

comparatorflashinfer_bench_eval

max absolute error0.125

max relative error0.799871563911438

resultpassed

Workload

afp16 [2, 4096]

bfp16 [4096, 4096]

definition comparatorsol_execbench_eval

Measurements

latency · mean280.1 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": 280117
        },
        "primaryStatistic": "mean"
      },
      "observedAt": "2025-10-16T01:20:19.745Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0.125,
        "maximumRelativeError": 0.799871563911438
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.2801165686874581,
          "speedup_factor": 1.6392803251451211,
          "reference_latency_ms": 0.459189579796512
        },
        "benchmark": "gemm_n4096_k4096"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:2f7ff3e09d631947336ed0da2bf13bffb2b6cabb2b7101494e38b117b3405bc0",
      "environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
      "implementationDigest": "sha256:97b87e562d6fecf308c954cc6602a86a0672190908046ae9b46f8e4444966d8a"
    },
    "metadata": {
      "name": "sol-trace-gemm-n4096-k4096-6c2f4ba8",
      "title": "claude-opus-4-1_cuda_1970e7 · gemm_n4096_k4096"
    },
    "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": "2.8.0+cu128"
        },
        "libraries": {
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        },
        "cudaToolkit": "12.8"
      }
    },
    "metadata": {
      "name": "sol-trace-nvidia-b200-2-8-0-cu128-3-4-0-12-8",
      "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