Run 01a02032 · KernelIndex

Primary measurement

7.27µsmean

Rank 1 in its comparison group · source-native comparison · observed 2025-10-16

90.99× reference

Identity

implementationgemini-2.5-pro_cuda_aaf481

projectgemini-2.5-pro

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadbatch_size = 16 · bf16

comparison keysha256:08fd92ecf0fd8232…

sourceFlashInfer-Bench

external idtrace/gemini-2.5-pro_cuda_aaf481/a497c980-9e07-44cc-80c6-fc647ab29e84

sha256:d4653e2a866f16d76450c6e…

Correctness

comparatorflashinfer_bench_eval

max absolute error0

max relative error0

resultpassed

Workload

batch_size16

weightbf16 [4096]

hidden_statesbf16 [16, 4096]

definition comparatorsol_execbench_eval

Measurements

latency · mean7.27 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:d3292955f904ea0f… · 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": 7274
        },
        "primaryStatistic": "mean"
      },
      "evidence": {
        "logs": {
          "uri": "kernelindex:artifact/sha256:d3292955f904ea0f7e81a39e05e272e347457498a1bcc5914535f91bb20103fc",
          "digest": "sha256:d3292955f904ea0f7e81a39e05e272e347457498a1bcc5914535f91bb20103fc"
        }
      },
      "observedAt": "2025-10-16T12:18:47.546Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0,
        "maximumRelativeError": 0
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.0072735038245263575,
          "speedup_factor": 90.99153374243477,
          "reference_latency_ms": 0.6618272686751184
        },
        "benchmark": "rmsnorm_h4096"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:8fc24e930e33d79a7303b82dcbdf340fd82c5da19e3a664fc3e3a9325a2d4f29",
      "environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
      "implementationDigest": "sha256:534145266111b35c9d411ac81779fcdfc9591c6511e22e5f300744bc7b9de6aa"
    },
    "metadata": {
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      "title": "gemini-2.5-pro_cuda_aaf481 · rmsnorm_h4096"
    },
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  },
  "protocol": {
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      },
      "measurement": {
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        "primaryStatistic": "mean"
      },
      "comparability": {
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      }
    },
    "metadata": {
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      "title": "FlashInfer-Bench trace harness"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
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  "environment": {
    "kind": "ExecutionEnvironment",
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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 RMSNorm h4096 →JSON

gemini-2.5-pro / cudaaaf481