Run 01a00b1d · KernelIndex

Primary measurement

19.4µsmean

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

2856.66× reference

Identity

implementationflashinfer_wrapper_a9588f

projectFlashInfer-Bench baselines

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadnum_pages = 2548 · batch_size = 16 · len_indptr = 17 · num_kv_indices = 2521 · bf16

comparison keysha256:86a710813d93ddbb…

sourceFlashInfer-Bench

external idtrace/flashinfer_wrapper_a9588f/127a80a4-a680-4c06-add6-99227d33b2b6

sha256:172b083e82be09dcc18c181…

Correctness

comparatorflashinfer_bench_eval

max absolute error0.00390625

max relative error938.4247436523438

resultpassed

Workload

num_pages2548

batch_size16

len_indptr17

num_kv_indices2521

qbf16 [16, 32, 128]

k_cachebf16 [2548, 1, 8, 128]

v_cachebf16 [2548, 1, 8, 128]

kv_indptrint32 [17]

kv_indicesint32 [2521]

definition comparatorsol_execbench_eval

Measurements

latency · mean19.4 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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Canonical manifest

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{
  "run": {
    "kind": "BenchmarkRun",
    "spec": {
      "status": "passed",
      "timing": {
        "latencyNs": {
          "mean": 19447
        },
        "primaryStatistic": "mean"
      },
      "observedAt": "2025-10-21T07:08:01.591Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0.00390625,
        "maximumRelativeError": 938.4247436523438
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.019447141875123634,
          "speedup_factor": 2856.6613791353643,
          "reference_latency_ms": 55.55389912923177
        },
        "benchmark": "gqa_paged_decode_h32_kv8_d128_ps1"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:a9d831e687726f1a4e68a4427ac432e1e65030f924c8a2700b3d90048d272b12",
      "environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
      "implementationDigest": "sha256:d3999561d7e84850aa9b5b50ecb4478503a7394c856c8715659ce467bd869d7f"
    },
    "metadata": {
      "name": "sol-trace-gqa-paged-decode-h32-kv8-d128-ps1-127a80a4",
      "title": "flashinfer_wrapper_a9588f · gqa_paged_decode_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 decode h32 kv8 d128 ps1 →JSON

flashinfer / wrappera9588f