Run 01a02032 · KernelIndex

Primary measurement

8.49µsmean

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

Compare with #1 →

99.02× reference

Identity

implementationclaude-opus-4-1_cuda_7a69e8

projectclaude-opus-4-1-20250805

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadbatch_size = 7 · bf16

comparison keysha256:34ddeff7e34d2fe2…

sourceFlashInfer-Bench

external idtrace/claude-opus-4-1_cuda_7a69e8/a31ba22f-b640-4013-a369-daff2137fbe5

sha256:373e9196d4e64fc51d2f2f1…

Correctness

comparatorflashinfer_bench_eval

max absolute error0

max relative error0

resultpassed

Workload

batch_size7

weightbf16 [1536]

hidden_statesbf16 [7, 1536]

definition comparatorsol_execbench_eval

Measurements

latency · mean8.49 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:c9ae96a3627601b8… · 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": 8495
        },
        "primaryStatistic": "mean"
      },
      "evidence": {
        "logs": {
          "uri": "kernelindex:artifact/sha256:c9ae96a3627601b8a28d577a4772e221c9ea5a1c0c20f90b75c93f98b970fd72",
          "digest": "sha256:c9ae96a3627601b8a28d577a4772e221c9ea5a1c0c20f90b75c93f98b970fd72"
        }
      },
      "observedAt": "2025-10-16T12:11:16.377Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0,
        "maximumRelativeError": 0
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.00849506276203277,
          "speedup_factor": 99.01582011037254,
          "reference_latency_ms": 0.8411456062717613
        },
        "benchmark": "rmsnorm_h1536"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:ce5e1fab9bfc2bde924636cc3ca7a98cfb9fac6eb48139ad5bd7e24bce0f0954",
      "environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
      "implementationDigest": "sha256:bdf82ce4cc6441faa34336e8a3dcfe8a61269cb03b2bbd27b1b56e5a98d731ee"
    },
    "metadata": {
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      "title": "claude-opus-4-1_cuda_7a69e8 · rmsnorm_h1536"
    },
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  },
  "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",
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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