Run 01a02032 · KernelIndex

Primary measurement

41.5µsmean

Rank 3 in its comparison group · source-native comparison · observed 2025-10-16

Compare with #1 →

20.92× reference

Identity

implementationgemini-2.5-pro_cuda_208a66

projectgemini-2.5-pro

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadbatch_size = 14521 · bf16

comparison keysha256:72755577dfa9fca9…

sourceFlashInfer-Bench

external idtrace/gemini-2.5-pro_cuda_208a66/1a428793-51ec-4eba-9d7c-9b7032d059eb

sha256:cfe2a0a43b75a1d8910441d…

Correctness

comparatorflashinfer_bench_eval

max absolute error0.03125

max relative error0.007751937955617905

resultpassed

Workload

batch_size14521

weightbf16 [1536]

hidden_statesbf16 [14521, 1536]

definition comparatorsol_execbench_eval

Measurements

latency · mean41.5 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:d7be3a54fee137ee… · 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": 41510
        },
        "primaryStatistic": "mean"
      },
      "evidence": {
        "logs": {
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          "digest": "sha256:d7be3a54fee137ee6338ae8fee9df33b29b9f04c7b18e9201c4941c2c1eb0ed9"
        }
      },
      "observedAt": "2025-10-16T12:13:45.766Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0.03125,
        "maximumRelativeError": 0.007751937955617905
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
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          "speedup_factor": 20.917875802777495,
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        },
        "benchmark": "rmsnorm_h1536"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:14e56dddba71c6c5d48c75eada1fbb1151652aa86ecf42ac64af8a909a6921a2",
      "environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
      "implementationDigest": "sha256:466acddda77d67cf70ed7558a73f65eca25ae24fd55a61ecf06c29b179d4af35"
    },
    "metadata": {
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      "title": "gemini-2.5-pro_cuda_208a66 · rmsnorm_h1536"
    },
    "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": {
        "family": "flashinfer_bench_trace"
      }
    },
    "metadata": {
      "name": "flashinfer-bench-trace",
      "title": "FlashInfer-Bench trace harness"
    },
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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 h1536 →JSON

gemini-2.5-pro / cuda208a66