Run 01a02032 · KernelIndex

Primary measurement

16.2µsmean

Rank 5 in its comparison group · source-native comparison · observed 2025-10-16

Compare with #1 →

104.15× reference

Identity

implementationgpt-o3_cuda_620cb5

projectgpt-o3

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadbatch_size = 18 · bf16

comparison keysha256:c7e038d298ab7690…

sourceFlashInfer-Bench

external idtrace/gpt-o3_cuda_620cb5/37a25eac-6754-4c33-b5ca-37775bd5acc9

sha256:b32a2d7ad967c1f3185704a…

Correctness

comparatorflashinfer_bench_eval

max absolute error0.0078125

max relative error0.006410256493836641

resultpassed

Workload

batch_size18

weightbf16 [7168]

residualbf16 [18, 7168]

hidden_statesbf16 [18, 7168]

definition comparatorsol_execbench_eval

Measurements

latency · mean16.2 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

logssha256:24f2afb376ac1a21… · 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": 16190
        },
        "primaryStatistic": "mean"
      },
      "evidence": {
        "logs": {
          "uri": "kernelindex:artifact/sha256:24f2afb376ac1a21200c210128a6cbda196e609f7360c9d02190da2fd1eb0c29",
          "digest": "sha256:24f2afb376ac1a21200c210128a6cbda196e609f7360c9d02190da2fd1eb0c29"
        }
      },
      "observedAt": "2025-10-16T12:10:26.006Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0.0078125,
        "maximumRelativeError": 0.006410256493836641
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.016190136092398447,
          "speedup_factor": 104.1528416996716,
          "reference_latency_ms": 1.6862486815277151
        },
        "benchmark": "fused_add_rmsnorm_h7168"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:1e8f2e90136ad2fd7c6ecf4dd60d4af4c66dadd914173e7ddc25c54e7b49cb93",
      "environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
      "implementationDigest": "sha256:0bb2b38f702df81f267e99860ca6b65b374eec60b920c762a0419f5521abb162"
    },
    "metadata": {
      "name": "sol-trace-fused-add-rmsnorm-h7168-37a25eac",
      "title": "gpt-o3_cuda_620cb5 · fused_add_rmsnorm_h7168"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  },
  "protocol": {
    "kind": "BenchmarkProtocol",
    "spec": {
      "harness": {
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        "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": {
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        "product": "NVIDIA B200",
        "architecture": "unknown"
      },
      "software": {
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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 h7168 →JSON

gpt-o3 / cuda620cb5