Run 01a00b1d · KernelIndex

Primary measurement

185.3µsmean

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

386.46× reference

Identity

implementationflashinfer_wrapper_8d9ac8

projectFlashInfer-Bench baselines

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadnum_pages = 31487 · batch_size = 53 · len_indptr = 54 · num_kv_indices = 23500 · bf16

comparison keysha256:59256f9de520c652…

sourceFlashInfer-Bench

external idtrace/flashinfer_wrapper_8d9ac8/538905db-d44b-4b20-be99-d5e3b62810da

sha256:4b23a81ba009b9a80f79f36…

Correctness

comparatorflashinfer_bench_eval

max absolute error0.00390625

max relative error368.2984924316406

resultpassed

Workload

num_pages31487

batch_size53

len_indptr54

num_kv_indices23500

qbf16 [53, 5, 128]

k_cachebf16 [31487, 1, 1, 128]

v_cachebf16 [31487, 1, 1, 128]

kv_indptrint32 [54]

kv_indicesint32 [23500]

definition comparatorsol_execbench_eval

Measurements

latency · mean185.3 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": 185344
        },
        "primaryStatistic": "mean"
      },
      "evidence": {
        "logs": {
          "uri": "kernelindex:artifact/sha256:78e7078cb6b34029b3c54573e2621a41c5953e9f5f65b6f20a4330ab56eda92e",
          "digest": "sha256:78e7078cb6b34029b3c54573e2621a41c5953e9f5f65b6f20a4330ab56eda92e"
        }
      },
      "observedAt": "2026-04-12T10:57:14.622Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0.00390625,
        "maximumRelativeError": 368.2984924316406
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.18534399569034576,
          "speedup_factor": 386.45857159415164,
          "reference_latency_ms": 71.62777582804362
        },
        "benchmark": "gqa_paged_decode_h5_kv1_d128_ps1"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:538963c0aa6f13a75c0a429a2fc3a969f8e9cf9896c02ab98a7ad6359416869a",
      "environmentDigest": "sha256:1766500d1b1ecc9787a211f3c98e76bf311671f443544a305252cb4d9564be8b",
      "implementationDigest": "sha256:4ef1d30cf0a256206b75751088e6c525005dd23c42f1fcc28a333bcc07f12e00"
    },
    "metadata": {
      "name": "sol-trace-gqa-paged-decode-h5-kv1-d128-ps1-538905db",
      "title": "flashinfer_wrapper_8d9ac8 · gqa_paged_decode_h5_kv1_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 decode h5 kv1 d128 ps1 →JSON

flashinfer / wrapper8d9ac8