Run 01a02032 · KernelIndex

Primary measurement

100.3µsmean

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

Compare with #1 →

10.06× reference

Identity

implementationgpt-o3_cuda_3def09

projectgpt-o3

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadbatch_size = 16254 · bf16

comparison keysha256:0f7dc046dadb6922…

sourceFlashInfer-Bench

external idtrace/gpt-o3_cuda_3def09/724a6dfa-06ff-45b7-9972-d174a0e23737

sha256:7576fded3670668313b2726…

Correctness

comparatorflashinfer_bench_eval

max absolute error0.03125

max relative error0.007751937955617905

resultpassed

Workload

batch_size16254

weightbf16 [2048]

residualbf16 [16254, 2048]

hidden_statesbf16 [16254, 2048]

definition comparatorsol_execbench_eval

Measurements

latency · mean100.3 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:ec317e12a4e6a272… · 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": 100326
        },
        "primaryStatistic": "mean"
      },
      "evidence": {
        "logs": {
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      "observedAt": "2025-10-16T12:06:25.061Z",
      "correctness": {
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      },
      "sourceNative": {
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        "metrics": {
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        },
        "benchmark": "fused_add_rmsnorm_h2048"
      },
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      "workloadDigest": "sha256:67fc41668b7db39720f70b51e0de26930e7772b8e1dd07fbbc35dd882bfa423d",
      "environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
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    },
    "metadata": {
      "name": "sol-trace-fused-add-rmsnorm-h2048-724a6dfa",
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    },
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        "primaryStatistic": "mean"
      },
      "comparability": {
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      }
    },
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    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  }
}

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Published 2026-08-20 · FlashInfer-Bench · Apache-2.0All results for Fused add RMSNorm h2048 →JSON

gpt-o3 / cuda3def09