Run 01a02032 · KernelIndex

Primary measurement

10.2µsmean

Rank 2 in its comparison group · source-native comparison · observed 2025-10-16

Compare with #1 →

73.51× reference

Identity

implementationgpt-5_cuda_8fff8a

projectgpt-5-2025-08-07

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadbatch_size = 539 · bf16

comparison keysha256:297cb93cdeb3ccc4…

sourceFlashInfer-Bench

external idtrace/gpt-5_cuda_8fff8a/e8073f61-7ae6-44d0-9b13-29199e6c5595

sha256:37c317dc7c7da1e74d8bcdc…

Correctness

comparatorflashinfer_bench_eval

max absolute error0.015625

max relative error0.0078125

resultpassed

Workload

batch_size539

weightbf16 [7168]

hidden_statesbf16 [539, 7168]

definition comparatorsol_execbench_eval

Measurements

latency · mean10.2 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

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Replications and notes

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Canonical manifest

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{
  "run": {
    "kind": "BenchmarkRun",
    "spec": {
      "status": "passed",
      "timing": {
        "latencyNs": {
          "mean": 10225
        },
        "primaryStatistic": "mean"
      },
      "observedAt": "2025-10-16T12:21:16.579Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0.015625,
        "maximumRelativeError": 0.0078125
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.010224721639746054,
          "speedup_factor": 73.51399572828319,
          "reference_latency_ms": 0.7516601429471761
        },
        "benchmark": "rmsnorm_h7168"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:90b2fe7eb9953c947430e43b902c077414810c630c4b195ed79536bb3d17f777",
      "environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
      "implementationDigest": "sha256:0d3563f40fc69b3594d9e5d92783b362f46f9d126db75e7337a3442c7927f597"
    },
    "metadata": {
      "name": "sol-trace-rmsnorm-h7168-e8073f61",
      "title": "gpt-5_cuda_8fff8a · rmsnorm_h7168"
    },
    "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"
  }
}

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Published 2026-08-20 · FlashInfer-Bench · Apache-2.0All results for RMSNorm h7168 →JSON

gpt-5 / cuda8fff8a