Run 01a00b1d · KernelIndex

Primary measurement

50.8µsmean

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

73.01× reference

Identity

implementationflashinfer_wrapper_92685d

projectFlashInfer-Bench baselines

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadtotal_q = 7 · num_pages = 8 · len_indptr = 2 · num_kv_indices = 7 · bf16

comparison keysha256:d2d81fa34a34da10…

sourceFlashInfer-Bench

external idtrace/flashinfer_wrapper_92685d/e9ce489e-93ac-47d1-a76f-1689f1aecc62

sha256:ee47fbdebcf393bd1578cb1…

Correctness

comparatorflashinfer_bench_eval

max absolute error0.00390625

max relative error1596.441650390625

resultpassed

Workload

total_q7

num_pages8

len_indptr2

num_kv_indices7

qbf16 [7, 24, 128]

k_cachebf16 [8, 64, 8, 128]

v_cachebf16 [8, 64, 8, 128]

kv_indptrint32 [2]

qo_indptrint32 [2]

kv_indicesint32 [7]

kv_last_page_lenint32 [2]

definition comparatorsol_execbench_eval

Measurements

latency · mean50.8 µs

Protocol

harnessflashinfer-bench

timerharness_reported

primaryStatisticmean

correctnessReferencedefinition reference implementation

comparabilityFamilyflashinfer_bench_trace

Environment

gpuNVIDIA GB200 (unknown)

cudaToolkit13.0

frameworkpytorch 2.9.1+cu130

Artifacts

logssha256:78e7078cb6b34029… · 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": 50832
        },
        "primaryStatistic": "mean"
      },
      "evidence": {
        "logs": {
          "uri": "kernelindex:artifact/sha256:78e7078cb6b34029b3c54573e2621a41c5953e9f5f65b6f20a4330ab56eda92e",
          "digest": "sha256:78e7078cb6b34029b3c54573e2621a41c5953e9f5f65b6f20a4330ab56eda92e"
        }
      },
      "observedAt": "2026-04-12T13:01:55.151Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0.00390625,
        "maximumRelativeError": 1596.441650390625
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.05083199962973595,
          "speedup_factor": 73.01175129074923,
          "reference_latency_ms": 3.7113333145777383
        },
        "benchmark": "gqa_paged_prefill_causal_h24_kv8_d128_ps64"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:3f34d523c7c6b6dc56d6635fb20505d38759a630bce55a2568e3a6a29b3f1cbf",
      "environmentDigest": "sha256:1766500d1b1ecc9787a211f3c98e76bf311671f443544a305252cb4d9564be8b",
      "implementationDigest": "sha256:17129d5acfdad58e41e1e72fdb1b2a4c53cb78a99f60f730c4e6a4d93d38a2b0"
    },
    "metadata": {
      "name": "sol-trace-gqa-paged-prefill-causal-h24-kv8-d128-ps64-e9ce489e",
      "title": "flashinfer_wrapper_92685d · gqa_paged_prefill_causal_h24_kv8_d128_ps64"
    },
    "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 ps64 →JSON

flashinfer / wrapper92685d