Run 01a02032 · KernelIndex

Primary measurement

117.4µsmean

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

Compare with #1 →

3345.01× reference

Identity

implementationgemini-2.5-pro_triton_h7ykt0

projectgemini-2.5-pro

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadnum_pages = 5422 · batch_size = 16 · len_indptr = 17 · num_kv_indices = 5372 · bf16

comparison keysha256:7f80bdcb82dd6ed9…

sourceFlashInfer-Bench

external idtrace/gemini-2.5-pro_triton_h7ykt0/4b38a419-13ee-4a19-b89c-85e7677bc913

sha256:811b00f4714d61323f2a116…

Correctness

comparatorflashinfer_bench_eval

max absolute error0.001953125

max relative error591.99853515625

resultpassed

Workload

num_pages5422

batch_size16

len_indptr17

num_kv_indices5372

qbf16 [16, 32, 128]

k_cachebf16 [5422, 1, 4, 128]

v_cachebf16 [5422, 1, 4, 128]

kv_indptrint32 [17]

kv_indicesint32 [5372]

definition comparatorsol_execbench_eval

Measurements

latency · mean117.4 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

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Replications and notes

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Canonical manifest

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{
  "run": {
    "kind": "BenchmarkRun",
    "spec": {
      "status": "passed",
      "timing": {
        "latencyNs": {
          "mean": 117412
        },
        "primaryStatistic": "mean"
      },
      "observedAt": "2025-10-16T01:47:22.522Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0.001953125,
        "maximumRelativeError": 591.99853515625
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.11741223443006506,
          "speedup_factor": 3345.0115471727086,
          "reference_latency_ms": 392.7452799479167
        },
        "benchmark": "gqa_paged_decode_h32_kv4_d128_ps1"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:f27141c50c5dbf9661daee41c1ce697961fe7ad41972359024bac8b44be62d03",
      "environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
      "implementationDigest": "sha256:6ff3d45887bd6fffc9365b005926d1286c2456c122012f6932ad59d05a47a9eb"
    },
    "metadata": {
      "name": "sol-trace-gqa-paged-decode-h32-kv4-d128-ps1-4b38a419",
      "title": "gemini-2.5-pro_triton_h7ykt0 · gqa_paged_decode_h32_kv4_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 B200",
        "architecture": "unknown"
      },
      "software": {
        "framework": {
          "name": "pytorch",
          "version": "2.8.0+cu128"
        },
        "libraries": {
          "triton": "3.4.0"
        },
        "cudaToolkit": "12.8"
      }
    },
    "metadata": {
      "name": "sol-trace-nvidia-b200-2-8-0-cu128-3-4-0-12-8",
      "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 paged decode h32 kv4 d128 ps1 →JSON

gemini-2.5-pro / tritonh7ykt0