Run 01a00b1d · KernelIndex

Primary measurement

1.76msmean

Rank 1 in its comparison group · source-native comparison · observed 2026-04-12

0.63× reference

Identity

implementationflashinfer_wrapper_b38b5f

projectFlashInfer-Bench baselines

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadtotal_q = 337 · num_pages = 82243 · len_indptr = 2 · num_kv_indices = 337 · bf16

comparison keysha256:b7db8f4441a0bce5…

sourceFlashInfer-Bench

external idtrace/flashinfer_wrapper_b38b5f/6e39944f-1de9-4f45-8e3d-6454408af17f

sha256:a0a43e8158608b4d1c7b8c3…

Correctness

comparatorflashinfer_bench_eval

max absolute error0.015625

max relative error5546.83203125

resultpassed

Workload

total_q337

num_pages82243

len_indptr2

num_kv_indices337

qbf16 [337, 24, 128]

k_cachebf16 [82243, 1, 8, 128]

v_cachebf16 [82243, 1, 8, 128]

kv_indptrint32 [2]

qo_indptrint32 [2]

kv_indicesint32 [337]

definition comparatorsol_execbench_eval

Measurements

latency · mean1.76 ms

Protocol

harnessflashinfer-bench

timerharness_reported

primaryStatisticmean

correctnessReferencedefinition reference implementation

comparabilityFamilyflashinfer_bench_trace

Environment

gpuNVIDIA GB200 (unknown)

cudaToolkit13.0

frameworkpytorch 2.9.1+cu130

Artifacts

No artifacts published with this run.

Replications and notes

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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": 1758811
        },
        "primaryStatistic": "mean"
      },
      "observedAt": "2026-04-12T12:30:39.258Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0.015625,
        "maximumRelativeError": 5546.83203125
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 1.7588106592496235,
          "speedup_factor": 0.631714763296698,
          "reference_latency_ms": 1.1110666592915852
        },
        "benchmark": "gqa_paged_prefill_causal_h24_kv8_d128_ps1"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:b17750bcc11c748ccd09a61dd40d20c322a002c66b12eaaa6865dadd69f4e967",
      "environmentDigest": "sha256:1766500d1b1ecc9787a211f3c98e76bf311671f443544a305252cb4d9564be8b",
      "implementationDigest": "sha256:29979918bd047f743af3d32549b27f45f75afc469627e5a41df4aee474db5f90"
    },
    "metadata": {
      "name": "sol-trace-gqa-paged-prefill-causal-h24-kv8-d128-ps1-6e39944f",
      "title": "flashinfer_wrapper_b38b5f · gqa_paged_prefill_causal_h24_kv8_d128_ps1"
    },
    "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 GB200",
        "architecture": "unknown"
      },
      "software": {
        "framework": {
          "name": "pytorch",
          "version": "2.9.1+cu130"
        },
        "libraries": {
          "triton": "3.3.0"
        },
        "cudaToolkit": "13.0"
      }
    },
    "metadata": {
      "name": "sol-trace-nvidia-gb200-2-9-1-cu130-3-3-0-13-0",
      "title": "NVIDIA GB200 (trace-reported software)"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  }
}

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Published 2026-08-16 · FlashInfer-Bench · Apache-2.0All results for GQA paged prefill causal h24 kv8 d128 ps1 →JSON

flashinfer / wrapperb38b5f