Cursor
Fused attention QK matmul scale mask softmax backward · suite of 16 cases · mean latency · run 01a0352a-1d9f…
●passedReported evidence
Primary measurement
218.4µsmean
Rank 10 in its comparison group · source-native comparison · observed 2026-04-14
SOL 0.5687 · 1.28× reference · 14/16 cases faster
Identity
implementationCursor
projectCursor
revisionsubmission-765
workloadsuite of 16 cases · mean latency
comparison keysha256:92bc0be5b5ce9f52…
sourceNVIDIA SOL-ExecBench
external idsubmission/765
sha256:41a88eaa7077531926d4f72…
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 · mean218.4 µs
Protocol
harnessSOL-ExecBench evaluation stack v1.0
timerharness_reported
primaryStatisticmean
correctnessReferencedefinition reference implementation
comparabilityFamilysol_execbench_leaderboard
Environment
gpuNVIDIA B200 (sm_100)
Artifacts
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Replications and notes
No attestations yet.
Community attestations. They never change the evidence level; only a KernelIndex-controlled rerun does.
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"observedAt": "2026-04-14T21:45:23.057Z",
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}Cite this record (permalink, digest, access date)
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Published 2026-08-24 · NVIDIA SOL-ExecBenchAll results for Fused attention QK matmul scale mask softmax backward →JSON