Run 01a02032 · KernelIndex

Primary measurement

16.4µsmean

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

Compare with #1 →

63.80× reference

Identity

implementationgpt-o3_cuda_a7bbcf

projectgpt-o3

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadbatch_size = 1 · bf16

comparison keysha256:8834dc0d17a7fa35…

sourceFlashInfer-Bench

external idtrace/gpt-o3_cuda_a7bbcf/146cc899-3cd6-4713-a85f-0cca97509a48

sha256:64b32a2ba6e2ab64989465f…

Correctness

comparatorflashinfer_bench_eval

max absolute error0

max relative error0

resultpassed

Workload

batch_size1

weightbf16 [4096]

residualbf16 [1, 4096]

hidden_statesbf16 [1, 4096]

definition comparatorsol_execbench_eval

Measurements

latency · mean16.4 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

logssha256:8277daa760410924… · 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": 16393
        },
        "primaryStatistic": "mean"
      },
      "evidence": {
        "logs": {
          "uri": "kernelindex:artifact/sha256:8277daa7604109247832477614335b19c2adedb7967a9b5a6f9fdf7d4d1f8343",
          "digest": "sha256:8277daa7604109247832477614335b19c2adedb7967a9b5a6f9fdf7d4d1f8343"
        }
      },
      "observedAt": "2025-10-16T12:07:36.014Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0,
        "maximumRelativeError": 0
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.016393143873375125,
          "speedup_factor": 63.80137162931435,
          "reference_latency_ms": 1.0459050644380241
        },
        "benchmark": "fused_add_rmsnorm_h4096"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:d5d67d68a96bfa5257744758eb14f573d92c580b82447e0f503ad73f48534a5f",
      "environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
      "implementationDigest": "sha256:8c12465bcf5c44347374419198e781a530c519953fc712d53eb48aff302248b8"
    },
    "metadata": {
      "name": "sol-trace-fused-add-rmsnorm-h4096-146cc899",
      "title": "gpt-o3_cuda_a7bbcf · fused_add_rmsnorm_h4096"
    },
    "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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    },
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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 Fused add RMSNorm h4096 →JSON

gpt-o3 / cudaa7bbcf