Run 01a0352a · KernelIndex

Primary measurement

144.6µsmean

Rank 2 in its comparison group · source-native comparison · observed 2026-06-07

Compare with #1 →

SOL 0.6941 · 1.93× reference · 16/16 cases faster

Identity

implementationRecursive

projectRecursive

revisionsubmission-6709

workloadsuite of 16 cases · mean latency

comparison keysha256:92bc0be5b5ce9f52…

sourceNVIDIA SOL-ExecBench

external idsubmission/6709

sha256:7f6df4bbbdbeb0960fc8acc…

Correctness

Marked passed by the source; the correctness policy was not published.

Workload

definition comparatorsol_execbench_eval

descriptionCorrectness must pass on every case in the SOL evaluation stack.

Measurements

latency · mean144.6 µs

Protocol

harnessSOL-ExecBench evaluation stack v1.0

timerharness_reported

primaryStatisticmean

correctnessReferencedefinition reference implementation

comparabilityFamilysol_execbench_leaderboard

Environment

gpuNVIDIA B200 (sm_100)

Artifacts

No artifacts published with this run.

Replications and notes

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Canonical manifest

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{
  "run": {
    "kind": "BenchmarkRun",
    "spec": {
      "status": "passed",
      "timing": {
        "latencyNs": {
          "mean": 144571
        },
        "primaryStatistic": "mean"
      },
      "observedAt": "2026-06-07T12:03:35.566Z",
      "sourceNative": {
        "source": "sol-execbench",
        "metrics": {
          "sol_score": 0.694123,
          "latency_ms": 0.144571,
          "avg_speedup": 1.9338,
          "fast_1_count": 16,
          "fast_1_total": 16
        },
        "benchmark": "060_fused_attention_qk_matmul_scale_mask_softmax_backward",
        "externalId": "6709"
      },
      "protocolDigest": "sha256:2964c5c4ed9cb0dcdc0f74674035bc71bf5e66620939e38441060f76434ed3e5",
      "workloadDigest": "sha256:b34041279b11ad4d663ebcd90e679a540745fbdc6b7f9e5b5eb70dd3ae256f84",
      "environmentDigest": "sha256:5296c820e166474e590abb1beaf7728cdfe0a4bde9bf55f8966a40f4f5401621",
      "implementationDigest": "sha256:ecd84fcaa9898a6b66832e03173fd9302f5296467b75b3a3e989e4de25fe8378"
    },
    "metadata": {
      "name": "sol-submission-6709",
      "title": "Recursive · 060_fused_attention_qk_matmul_scale_mask_softmax_backward · B200",
      "labels": {
        "worker": "B200-ext-prod-2527"
      }
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  },
  "protocol": {
    "kind": "BenchmarkProtocol",
    "spec": {
      "harness": {
        "name": "SOL-ExecBench evaluation stack",
        "version": "v1.0"
      },
      "correctness": {
        "reference": "definition reference implementation",
        "comparator": "sol_execbench_eval"
      },
      "measurement": {
        "timer": "harness_reported",
        "primaryStatistic": "mean"
      },
      "comparability": {
        "notes": "Suite-mean latency and SOL-Score as published by the SOL-ExecBench leaderboard. Comparable only within one definition, GPU type, and evaluation stack version.",
        "family": "sol_execbench_leaderboard"
      }
    },
    "metadata": {
      "name": "sol-execbench-leaderboard-v1-0",
      "title": "SOL-ExecBench evaluation stack v1.0"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  },
  "environment": {
    "kind": "ExecutionEnvironment",
    "spec": {
      "hardware": {
        "vendor": "nvidia",
        "product": "NVIDIA B200",
        "architecture": "sm_100"
      },
      "software": {
        "libraries": {
          "evaluation_stack": "v1.0"
        }
      }
    },
    "metadata": {
      "name": "sol-execbench-b200-v1-0",
      "title": "SOL-ExecBench NVIDIA B200, stack v1.0"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  }
}

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Published 2026-08-24 · NVIDIA SOL-ExecBenchAll results for Fused attention QK matmul scale mask softmax backward →JSON