Run 01a00b1e · KernelIndex

Primary measurement

8.99µsmean

Rank 2 in its comparison group · source-native comparison · observed 2026-04-20

Compare with #1 →

29.64× reference

Identity

implementationflashinfer_wrapper_44b034

projectFlashInfer-Bench baselines

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadtotal_q = 1 · total_kv = 1 · len_indptr = 2 · bf16

comparison keysha256:77c7370c2b194087…

sourceFlashInfer-Bench

external idtrace/flashinfer_wrapper_44b034/1bf692f3-4891-4382-b3a0-452aff438463

sha256:5f6189b83e1568d32505521…

Correctness

comparatorflashinfer_bench_eval

max absolute error2.384185791015625e-7

max relative error0.00001401659392286092

resultpassed

Workload

total_q1

total_kv1

len_indptr2

kbf16 [1, 8, 64]

qbf16 [1, 32, 64]

vbf16 [1, 8, 64]

kv_indptrint32 [2]

qo_indptrint32 [2]

definition comparatorsol_execbench_eval

Measurements

latency · mean8.99 µs

Protocol

harnessflashinfer-bench

timerharness_reported

primaryStatisticmean

correctnessReferencedefinition reference implementation

comparabilityFamilyflashinfer_bench_trace

Environment

gpuNVIDIA B200 (unknown)

cudaToolkit13.0

frameworkpytorch 2.11.0+cu130

Artifacts

No artifacts published with this run.

Replications and notes

No attestations yet.

Community attestations. They never change the evidence level; only a KernelIndex-controlled rerun does.

Add a reproduction or note

Canonical manifest

Show manifest

{
  "run": {
    "kind": "BenchmarkRun",
    "spec": {
      "status": "passed",
      "timing": {
        "latencyNs": {
          "mean": 8992
        },
        "primaryStatistic": "mean"
      },
      "observedAt": "2026-04-20T07:33:52.159Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 2.384185791015625e-7,
        "maximumRelativeError": 0.00001401659392286092
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.00899199986209472,
          "speedup_factor": 29.638196848162135,
          "reference_latency_ms": 0.2665066619714101
        },
        "benchmark": "gqa_ragged_prefill_causal_h32_kv8_d64"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:e2d5b333c6f2d5bfdf6687cae0843ecaf6f42d552572487f7bf4d8e29313a8f0",
      "environmentDigest": "sha256:83c9b6e78d493927f18878d57448d9a0d2221a70840b562455b2665a2897ba19",
      "implementationDigest": "sha256:951f311c29040725dba89d980ce8b1b5608dbac69cb16e4acfc7bb9c316fcee9"
    },
    "metadata": {
      "name": "sol-trace-gqa-ragged-prefill-causal-h32-kv8-d64-1bf692f3",
      "title": "flashinfer_wrapper_44b034 · gqa_ragged_prefill_causal_h32_kv8_d64"
    },
    "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": "2.11.0+cu130"
        },
        "libraries": {
          "triton": "3.6.0"
        },
        "cudaToolkit": "13.0"
      }
    },
    "metadata": {
      "name": "sol-trace-nvidia-b200-2-11-0-cu130-3-6-0-13-0",
      "title": "NVIDIA B200 (trace-reported software)"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  }
}

Cite this record (permalink, digest, access date)

Report an issue with this run

Published 2026-08-16 · FlashInfer-Bench · Apache-2.0All results for GQA ragged prefill causal h32 kv8 d64 →JSON

flashinfer / wrapper44b034