Run 01a02032 · KernelIndex

Primary measurement

96.9µsmean

Rank 6 in its comparison group · source-native comparison · observed 2025-10-19

Compare with #1 →

3.74× reference

Identity

implementationgpt-o3_cuda_025ec1

projectgpt-o3

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadtotal_q = 18 · total_kv = 18 · len_indptr = 2 · bf16

comparison keysha256:ac7ab26a87798d40…

sourceFlashInfer-Bench

external idtrace/gpt-o3_cuda_025ec1/ef683298-131d-4c81-9d1d-4db82b7f7896

sha256:5c456d9af3d58385a63b4db…

Correctness

comparatorflashinfer_bench_eval

max absolute error0.00390625

max relative error0.03338562324643135

resultpassed

Workload

total_q18

total_kv18

len_indptr2

kbf16 [18, 8, 128]

qbf16 [18, 32, 128]

vbf16 [18, 8, 128]

kv_indptrint32 [2]

qo_indptrint32 [2]

definition comparatorsol_execbench_eval

Measurements

latency · mean96.9 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

logssha256:35372debc40f2cc2… · 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": 96928
        },
        "primaryStatistic": "mean"
      },
      "evidence": {
        "logs": {
          "uri": "kernelindex:artifact/sha256:35372debc40f2cc2ab442995896cb7606ffcb80dec5230f33971ad30a17f8088",
          "digest": "sha256:35372debc40f2cc2ab442995896cb7606ffcb80dec5230f33971ad30a17f8088"
        }
      },
      "observedAt": "2025-10-19T23:00:37.237Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0.00390625,
        "maximumRelativeError": 0.03338562324643135
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.09692783024222858,
          "speedup_factor": 3.741639475360845,
          "reference_latency_ms": 0.3626689958953972
        },
        "benchmark": "gqa_ragged_prefill_causal_h32_kv8_d128"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:2ca4d099e0a6755a7b016121caefd14ffc8294ae41242bd84292035f7b910f1f",
      "environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
      "implementationDigest": "sha256:5acecad48c17870791beedfc3d3b0d9a71ca6932288f1c391313a146bb02752d"
    },
    "metadata": {
      "name": "sol-trace-gqa-ragged-prefill-causal-h32-kv8-d128-ef683298",
      "title": "gpt-o3_cuda_025ec1 · gqa_ragged_prefill_causal_h32_kv8_d128"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  },
  "protocol": {
    "kind": "BenchmarkProtocol",
    "spec": {
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      },
      "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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    },
    "metadata": {
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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 GQA ragged prefill causal h32 kv8 d128 →JSON

gpt-o3 / cuda025ec1