Run 01a00b1e · KernelIndex

Primary measurement

8.07µsmean

Rank 2 in its comparison group · source-native comparison · observed 2025-10-21

Compare with #1 →

4.46× reference

Identity

implementationflashinfer_wrapper_0ff432

projectFlashInfer-Bench baselines

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadbatch_size = 34 · bf16

comparison keysha256:fe7a9eb74af889f1…

sourceFlashInfer-Bench

external idtrace/flashinfer_wrapper_0ff432/04e1c8da-5407-4d96-876c-a27259fe7ecf

sha256:1c4d1c0576c467881c9e726…

Correctness

comparatorflashinfer_bench_eval

max absolute error0.0009765625

max relative error0.00746268592774868

resultpassed

Workload

batch_size34

weightbf16 [4096]

residualbf16 [34, 4096]

hidden_statesbf16 [34, 4096]

definition comparatorsol_execbench_eval

Measurements

latency · mean8.07 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

No artifacts published with this run.

Replications and notes

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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": 8073
        },
        "primaryStatistic": "mean"
      },
      "observedAt": "2025-10-21T13:38:31.905Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0.0009765625,
        "maximumRelativeError": 0.00746268592774868
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.008073480868820261,
          "speedup_factor": 4.46023490859103,
          "reference_latency_ms": 0.03600962120495397
        },
        "benchmark": "fused_add_rmsnorm_h4096"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:30c05d7aabf935d0cdc8d6917badf3c05d6aac124a811b4b75309799728413ff",
      "environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
      "implementationDigest": "sha256:7e36a87a751b03415e29026bb80864ced3ab0bef7dde027925013bec04a75163"
    },
    "metadata": {
      "name": "sol-trace-fused-add-rmsnorm-h4096-04e1c8da",
      "title": "flashinfer_wrapper_0ff432 · fused_add_rmsnorm_h4096"
    },
    "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 2026-08-16 · FlashInfer-Bench · Apache-2.0All results for Fused add RMSNorm h4096 →JSON

flashinfer / wrapper0ff432