Run 01a02032 · KernelIndex

Primary measurement

349.2µsmean

Rank 7 in its comparison group · source-native comparison · observed 2025-10-16

Compare with #1 →

0.54× reference

Identity

implementationgpt-o3_cuda_270394

projectgpt-o3

revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c

workloadm = 1 · fp16

comparison keysha256:bfd835c278740462…

sourceFlashInfer-Bench

external idtrace/gpt-o3_cuda_270394/91e43228-c0a7-457e-9424-1d3461621362

sha256:8635c45cf5f47d1b3fb643b…

Correctness

comparatorflashinfer_bench_eval

max absolute error0.015625

max relative error0.000638977566268295

resultpassed

Workload

afp16 [1, 2048]

bfp16 [128, 2048]

definition comparatorsol_execbench_eval

Measurements

latency · mean349.2 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

logssha256:da40d942f6f365e1… · text/plain · unavailable

Replications and notes

No attestations yet.

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": 349224
        },
        "primaryStatistic": "mean"
      },
      "evidence": {
        "logs": {
          "uri": "kernelindex:artifact/sha256:da40d942f6f365e15be1751b109552e2e20a0382a3e57673a50d6532db94775d",
          "digest": "sha256:da40d942f6f365e15be1751b109552e2e20a0382a3e57673a50d6532db94775d"
        }
      },
      "observedAt": "2025-10-16T01:11:08.805Z",
      "correctness": {
        "comparator": "sol_execbench_eval",
        "maximumAbsoluteError": 0.015625,
        "maximumRelativeError": 0.000638977566268295
      },
      "sourceNative": {
        "source": "flashinfer-bench",
        "metrics": {
          "latency_ms": 0.3492238117742908,
          "speedup_factor": 0.542663120377981,
          "reference_latency_ms": 0.18951088340772937
        },
        "benchmark": "gemm_n128_k2048"
      },
      "protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
      "workloadDigest": "sha256:65ae770bc9c02787f47ccadcf495cbc35944688c814dc63fcf6bbcdc6c771702",
      "environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
      "implementationDigest": "sha256:9e6ba9df338e62697b671f0f369957c49a7c795b46cac1a899b056a5c4c24ce3"
    },
    "metadata": {
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      "title": "gpt-o3_cuda_270394 · gemm_n128_k2048"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  },
  "protocol": {
    "kind": "BenchmarkProtocol",
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      },
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      },
      "measurement": {
        "timer": "harness_reported",
        "primaryStatistic": "mean"
      },
      "comparability": {
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      }
    },
    "metadata": {
      "name": "flashinfer-bench-trace",
      "title": "FlashInfer-Bench trace harness"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  },
  "environment": {
    "kind": "ExecutionEnvironment",
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        "architecture": "unknown"
      },
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      "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 GEMM n128 k2048 →JSON