Run 01a02032 · KernelIndex

Primary measurement

6.51µsmean

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

159.86× reference

Identity

implementationgemini-2.5-pro_cuda_208a66

projectgemini-2.5-pro

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadbatch_size = 18 · bf16

comparison keysha256:09471f96bbc6ae1e…

sourceFlashInfer-Bench

external idtrace/gemini-2.5-pro_cuda_208a66/6661b4a5-3293-462c-9690-b1314d5adae6

sha256:4d51efe8e63547e88e49748…

Correctness

comparatorflashinfer_bench_eval

max absolute error0

max relative error0

resultpassed

Workload

batch_size18

weightbf16 [1536]

hidden_statesbf16 [18, 1536]

definition comparatorsol_execbench_eval

Measurements

latency · mean6.51 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

logssha256:8da5ccf07bda2ad7… · 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": 6508
        },
        "primaryStatistic": "mean"
      },
      "evidence": {
        "logs": {
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        }
      },
      "observedAt": "2025-10-16T12:12:52.937Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0,
        "maximumRelativeError": 0
      },
      "sourceNative": {
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        "metrics": {
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          "speedup_factor": 159.85630434183767,
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        "benchmark": "rmsnorm_h1536"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:5389c11ff8de97ab4e2a6083f673da3f90e4e315e32f5c345699d9531bcd4523",
      "environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
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        "primaryStatistic": "mean"
      },
      "comparability": {
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      }
    },
    "metadata": {
      "name": "flashinfer-bench-trace",
      "title": "FlashInfer-Bench trace harness"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
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  "environment": {
    "kind": "ExecutionEnvironment",
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    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  }
}

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Published 2026-08-20 · FlashInfer-Bench · Apache-2.0All results for RMSNorm h1536 →JSON

gemini-2.5-pro / cuda208a66