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flashinfer / wrapper03f7b0

MLA paged decode h16 ckv512 kpe64 ps1 · num_pages = 989669 · batch_size = 16 · len_indptr = 17 · num_kv_indices = 3557 · bf16 · run 01a00b1e-58a9…
●passedReported evidence

Not re-observed recently.

Primary measurement
24.7µsmean

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

186.11× reference

Identity
implementationflashinfer_wrapper_03f7b0
projectFlashInfer-Bench baselines
revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c
workloadnum_pages = 989669 · batch_size = 16 · len_indptr = 17 · num_kv_indices = 3557 · bf16
comparison keysha256:b427b0786c3623ad…
sourceFlashInfer-Bench
external idtrace/flashinfer_wrapper_03f7b0/89070a1d-4d70-4122-8955-03cae1300f24
sha256:4eec640ff6b3623b515d282…

Correctness

comparatorflashinfer_bench_eval
max absolute error0.015625
max relative error474.38409423828125
resultpassed

Workload

num_pages989669
batch_size16
len_indptr17
num_kv_indices3557
q_pebf16 [16, 16, 64]
q_nopebf16 [16, 16, 512]
ckv_cachebf16 [989669, 1, 512]
kpe_cachebf16 [989669, 1, 64]
kv_indptrint32 [17]
kv_indicesint32 [3557]
definition comparatorsol_execbench_eval

Measurements

latency · mean24.7 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": 24733
        },
        "primaryStatistic": "mean"
      },
      "observedAt": "2025-10-21T07:53:59.671Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0.015625,
        "maximumRelativeError": 474.38409423828125
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.024733497888829035,
          "speedup_factor": 186.11270410158087,
          "reference_latency_ms": 4.603218173980713
        },
        "benchmark": "mla_paged_decode_h16_ckv512_kpe64_ps1"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:a1d377916451b3307878f2ce85d2110c88d52add9e2c82d5ca5313c78e788c20",
      "environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
      "implementationDigest": "sha256:d63f2eb0f0a06bf1c4e9dd1f35d4aebd4c281ea806f8598245b7382024e120b5"
    },
    "metadata": {
      "name": "sol-trace-mla-paged-decode-h16-ckv512-kpe64-ps1-89070a1d",
      "title": "flashinfer_wrapper_03f7b0 · mla_paged_decode_h16_ckv512_kpe64_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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