Run 01a02032 · KernelIndex

Primary measurement

280.1µsmean

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

Compare with #1 →

2.19× reference

Identity

implementationclaude-opus-4-1_cuda_1970e7

projectclaude-opus-4-1-20250805

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadm = 1 · fp16

comparison keysha256:d50f0b9bd7d09e66…

sourceFlashInfer-Bench

external idtrace/claude-opus-4-1_cuda_1970e7/e39649a6-6f42-4a1b-9731-b45a9a87f7a5

sha256:e88b0883594d1b35d60ce79…

Correctness

comparatorflashinfer_bench_eval

max absolute error0.125

max relative error0.12042465806007385

resultpassed

Workload

afp16 [1, 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": 280100
        },
        "primaryStatistic": "mean"
      },
      "observedAt": "2025-10-16T01:20:20.951Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0.125,
        "maximumRelativeError": 0.12042465806007385
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.28009959201064466,
          "speedup_factor": 2.1870050719040917,
          "reference_latency_ms": 0.6125792283655467
        },
        "benchmark": "gemm_n4096_k4096"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:cb35e7a83aea2fc9b80400681d459f4b86bf11cbdc117123b7c8d4ab34ec9e68",
      "environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
      "implementationDigest": "sha256:97b87e562d6fecf308c954cc6602a86a0672190908046ae9b46f8e4444966d8a"
    },
    "metadata": {
      "name": "sol-trace-gemm-n4096-k4096-e39649a6",
      "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": {
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        "product": "NVIDIA B200",
        "architecture": "unknown"
      },
      "software": {
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          "version": "2.8.0+cu128"
        },
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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