Skip to content
KernelIndex
Search⌘K

flashinfer / wrapperece89a

GQA paged prefill causal h32 kv8 d64 ps1 · total_q = 576 · num_pages = 1 · len_indptr = 2 · num_kv_indices = 576 · bf16 · run 01a00b1e-0a57…
●passedReported evidence
Primary measurement
95.9µsmean

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

Compare with #1 →

4.50× reference

Identity
implementationflashinfer_wrapper_ece89a
projectFlashInfer-Bench baselines
revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c
workloadtotal_q = 576 · num_pages = 1 · len_indptr = 2 · num_kv_indices = 576 · bf16
comparison keysha256:c98fac65f1192e0c…
sourceFlashInfer-Bench
external idtrace/flashinfer_wrapper_ece89a/8f24a1a5-f13a-4902-a0ee-f457a5074862
sha256:f9bae5d1071825c7d9fdd32…

Correctness

comparatorflashinfer_bench_eval
max absolute error0.0000019073486328125
max relative error0.00015423737931996584
resultpassed

Workload

total_q576
num_pages1
len_indptr2
num_kv_indices576
qbf16 [576, 32, 64]
k_cachebf16 [1, 1, 8, 64]
v_cachebf16 [1, 1, 8, 64]
kv_indptrint32 [2]
qo_indptrint32 [2]
kv_indicesint32 [576]
definition comparatorsol_execbench_eval

Measurements

latency · mean95.9 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
I

Published under your account name. Community attestations never change the evidence level; a maintainer can hide abuse.

Canonical manifest

Show manifest
{
  "run": {
    "kind": "BenchmarkRun",
    "spec": {
      "status": "passed",
      "timing": {
        "latencyNs": {
          "mean": 95920
        },
        "primaryStatistic": "mean"
      },
      "observedAt": "2026-04-20T07:33:43.157Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0.0000019073486328125,
        "maximumRelativeError": 0.00015423737931996584
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.09592000146706899,
          "speedup_factor": 4.5016401064105285,
          "reference_latency_ms": 0.4317973256111145
        },
        "benchmark": "gqa_paged_prefill_causal_h32_kv8_d64_ps1"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:c7b9d5d5d94e8cef093286703899cf1bc4d03404d0716dee804fe3ac6b30b688",
      "environmentDigest": "sha256:83c9b6e78d493927f18878d57448d9a0d2221a70840b562455b2665a2897ba19",
      "implementationDigest": "sha256:4e603a0238c9f08d4daecaa891ac38691e4e8f3d64920e47f2a7c4773e2b23bd"
    },
    "metadata": {
      "name": "sol-trace-gqa-paged-prefill-causal-h32-kv8-d64-ps1-8f24a1a5",
      "title": "flashinfer_wrapper_ece89a · gqa_paged_prefill_causal_h32_kv8_d64_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": "2.11.0+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

A maintainer reviews every report. If accepted, the record is retracted or superseded; its history stays visible.