Run 01a00b1e · KernelIndex

Primary measurement

271.1µsmean

Rank 1 in its comparison group · source-native comparison · observed 2025-10-21

3216.01× reference

Identity

implementationflashinfer_wrapper_8cad92

projectFlashInfer-Bench baselines

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadtotal_q = 7009 · num_pages = 70149 · len_indptr = 13 · num_kv_indices = 30 · bf16

comparison keysha256:640e9a8b6fce5f56…

sourceFlashInfer-Bench

external idtrace/flashinfer_wrapper_8cad92/94a059b3-85b1-4287-9646-fc3261e26fe1

sha256:d7ec40aa0a4fff8a9e387e3…

Correctness

comparatorflashinfer_bench_eval

max relative error368.206298828125

resultpassed

Workload

total_q7009

num_pages70149

len_indptr13

num_kv_indices30

qbf16 [7009, 32, 128]

k_cachebf16 [70149, 1, 8, 128]

v_cachebf16 [70149, 1, 8, 128]

kv_indptrint32 [13]

qo_indptrint32 [13]

kv_indicesint32 [30]

definition comparatorsol_execbench_eval

Measurements

latency · mean271.1 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": 271144
        },
        "primaryStatistic": "mean"
      },
      "observedAt": "2025-10-21T14:07:50.901Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumRelativeError": 368.206298828125
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.2711439653274689,
          "speedup_factor": 3216.0097935282292,
          "reference_latency_ms": 872.0016479492188
        },
        "benchmark": "gqa_paged_prefill_causal_h32_kv8_d128_ps1"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:371c623fc4bf486fc5cb981f0cd5104730efd9590fcbccc2fce1ba6cc37669f1",
      "environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
      "implementationDigest": "sha256:a4874695882045ef20a8bbe3f81dc02f48b57c80495f8d424d6f80c64b07d49c"
    },
    "metadata": {
      "name": "sol-trace-gqa-paged-prefill-causal-h32-kv8-d128-ps1-94a059b3",
      "title": "flashinfer_wrapper_8cad92 · gqa_paged_prefill_causal_h32_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 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 2026-08-16 · FlashInfer-Bench · Apache-2.0All results for GQA paged prefill causal h32 kv8 d128 ps1 →JSON

flashinfer / wrapper8cad92