Run 01a02032 · KernelIndex

Primary measurement

113.4µsmean

Rank 6 in its comparison group · source-native comparison · observed 2025-10-16

Compare with #1 →

283.21× reference

Identity

implementationclaude-opus-4-1_triton_de54a2

projectclaude-opus-4-1-20250805

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadnum_pages = 9332 · batch_size = 1 · len_indptr = 2 · num_kv_indices = 87 · bf16

comparison keysha256:36ead5e9f3e5d658…

sourceFlashInfer-Bench

external idtrace/claude-opus-4-1_triton_de54a2/cd278c2b-6d8f-4d0b-8be4-fdd9f6616a64

sha256:e6a2e4e2c7aee48fe2ae90f…

Correctness

comparatorflashinfer_bench_eval

max absolute error9.5367431640625e-7

max relative error1.4446180784943863e-7

resultpassed

Workload

num_pages9332

batch_size1

len_indptr2

num_kv_indices87

qbf16 [1, 32, 128]

k_cachebf16 [9332, 1, 4, 128]

v_cachebf16 [9332, 1, 4, 128]

kv_indptrint32 [2]

kv_indicesint32 [87]

definition comparatorsol_execbench_eval

Measurements

latency · mean113.4 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": 113384
        },
        "primaryStatistic": "mean"
      },
      "observedAt": "2025-10-16T01:28:04.282Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 9.5367431640625e-7,
        "maximumRelativeError": 1.4446180784943863e-7
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.11338355010597888,
          "speedup_factor": 283.2113534751983,
          "reference_latency_ms": 32.11150868733724
        },
        "benchmark": "gqa_paged_decode_h32_kv4_d128_ps1"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:37907ed1f28505e8aaa018beb1b456fd389f1ce0caf8c7e7d4eb51ac9e73759f",
      "environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
      "implementationDigest": "sha256:fca116d8f26b466b880288e9cf0180fb342554d21db40f32a8884639593cfdcf"
    },
    "metadata": {
      "name": "sol-trace-gqa-paged-decode-h32-kv4-d128-ps1-cd278c2b",
      "title": "claude-opus-4-1_triton_de54a2 · 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

claude-opus-4-1 / tritonde54a2