Run 01a02032 · KernelIndex

Primary measurement

9.67µsmean

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

Compare with #1 →

108.30× reference

Identity

implementationclaude-opus-4-1_cuda_7a69e8

projectclaude-opus-4-1-20250805

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadbatch_size = 64 · bf16

comparison keysha256:152be93926d5d994…

sourceFlashInfer-Bench

external idtrace/claude-opus-4-1_cuda_7a69e8/c2c0808b-f368-434a-bbd7-09c79cec998b

sha256:94ca936a86ad425474787a1…

Correctness

comparatorflashinfer_bench_eval

max absolute error0.00390625

max relative error0.004878048785030842

resultpassed

Workload

batch_size64

weightbf16 [1536]

hidden_statesbf16 [64, 1536]

definition comparatorsol_execbench_eval

Measurements

latency · mean9.67 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:d76129f8e8be6cf3… · 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": 9669
        },
        "primaryStatistic": "mean"
      },
      "evidence": {
        "logs": {
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          "digest": "sha256:d76129f8e8be6cf3e07f79eb554b380eaa95a163b2dd6372ffb45b8292587d07"
        }
      },
      "observedAt": "2025-10-16T12:14:21.957Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0.00390625,
        "maximumRelativeError": 0.004878048785030842
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.009668924632868869,
          "speedup_factor": 108.30314269726273,
          "reference_latency_ms": 1.0471749242426758
        },
        "benchmark": "rmsnorm_h1536"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:dc73c744b410a9b59642467cdc9880a8bdf7327db96d851e9f29278e16fe032c",
      "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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        "architecture": "unknown"
      },
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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