Run 01a02032 · KernelIndex

Primary measurement

9.39µsmean

Rank 4 in its comparison group · source-native comparison · observed 2025-10-16

Compare with #1 →

80.65× reference

Identity

implementationclaude-opus-4-1_cuda_7a69e8

projectclaude-opus-4-1-20250805

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadbatch_size = 1 · bf16

comparison keysha256:63f4dd67a7e1f83f…

sourceFlashInfer-Bench

external idtrace/claude-opus-4-1_cuda_7a69e8/88f9970d-0b80-4ccf-9b9a-7790fd916b48

sha256:af063c934bde354473253c9…

Correctness

comparatorflashinfer_bench_eval

max absolute error0

max relative error0

resultpassed

Workload

batch_size1

weightbf16 [1536]

hidden_statesbf16 [1, 1536]

definition comparatorsol_execbench_eval

Measurements

latency · mean9.39 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

logssha256:7bec1a794b1f1f4d… · text/plain · unavailable

Replications and notes

No attestations yet.

Community attestations. They never change the evidence level; only a KernelIndex-controlled rerun does.

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Canonical manifest

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{
  "run": {
    "kind": "BenchmarkRun",
    "spec": {
      "status": "passed",
      "timing": {
        "latencyNs": {
          "mean": 9393
        },
        "primaryStatistic": "mean"
      },
      "evidence": {
        "logs": {
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          "digest": "sha256:7bec1a794b1f1f4d615cce6e8dd27a76aac782d4b9ca5789074befd65e0f43df"
        }
      },
      "observedAt": "2025-10-16T12:11:42.797Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0,
        "maximumRelativeError": 0
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.009392919997936513,
          "speedup_factor": 80.6507483617048,
          "reference_latency_ms": 0.7575460271352025
        },
        "benchmark": "rmsnorm_h1536"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:12d15e5d5b9e5f33a554a5c3258b41a38322c41b4786819e6daed26cec99879e",
      "environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
      "implementationDigest": "sha256:bdf82ce4cc6441faa34336e8a3dcfe8a61269cb03b2bbd27b1b56e5a98d731ee"
    },
    "metadata": {
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      "title": "claude-opus-4-1_cuda_7a69e8 · rmsnorm_h1536"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  },
  "protocol": {
    "kind": "BenchmarkProtocol",
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      },
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        "comparator": "flashinfer_bench_eval"
      },
      "measurement": {
        "timer": "harness_reported",
        "primaryStatistic": "mean"
      },
      "comparability": {
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      }
    },
    "metadata": {
      "name": "flashinfer-bench-trace",
      "title": "FlashInfer-Bench trace harness"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  },
  "environment": {
    "kind": "ExecutionEnvironment",
    "spec": {
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      },
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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 RMSNorm h1536 →JSON

claude-opus-4-1 / cuda7a69e8