Run 01a02032 · KernelIndex

Primary measurement

80.1µsmean

Rank 3 in its comparison group · source-native comparison · observed 2025-10-16

Compare with #1 →

13.24× reference

Identity

implementationclaude-opus-4-1_cuda_462ef5

projectclaude-opus-4-1-20250805

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadbatch_size = 14509 · bf16

comparison keysha256:a2c7feea4991886a…

sourceFlashInfer-Bench

external idtrace/claude-opus-4-1_cuda_462ef5/3e460c8c-7cad-4071-959f-e689ca024206

sha256:ac69b84973ee2babdba9e81…

Correctness

comparatorflashinfer_bench_eval

max absolute error0.03125

max relative error0.007812499068677425

resultpassed

Workload

batch_size14509

weightbf16 [4096]

residualbf16 [14509, 4096]

hidden_statesbf16 [14509, 4096]

definition comparatorsol_execbench_eval

Measurements

latency · mean80.1 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

No artifacts published with this run.

Replications and notes

No attestations yet.

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

Add a reproduction or note

Canonical manifest

Show manifest

{
  "run": {
    "kind": "BenchmarkRun",
    "spec": {
      "status": "passed",
      "timing": {
        "latencyNs": {
          "mean": 80149
        },
        "primaryStatistic": "mean"
      },
      "observedAt": "2025-10-16T12:08:39.397Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0.03125,
        "maximumRelativeError": 0.007812499068677425
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.08014945760334856,
          "speedup_factor": 13.238609341097154,
          "reference_latency_ms": 1.0610673581115606
        },
        "benchmark": "fused_add_rmsnorm_h4096"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:01b2dae053707c8fedb6fa7feeeeb745c693bde7a2533c2a25162e5d22452d34",
      "environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
      "implementationDigest": "sha256:01094ce2257398bee478b6ac09572caf2d922dd39993f749a5f3bd6bf5d5847b"
    },
    "metadata": {
      "name": "sol-trace-fused-add-rmsnorm-h4096-3e460c8c",
      "title": "claude-opus-4-1_cuda_462ef5 · fused_add_rmsnorm_h4096"
    },
    "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": {
          "triton": "3.4.0"
        },
        "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"
  }
}

Cite this record (permalink, digest, access date)

Report an issue with this run

Published 2026-08-20 · FlashInfer-Bench · Apache-2.0All results for Fused add RMSNorm h4096 →JSON

claude-opus-4-1 / cuda462ef5