- simd-loop reference: build scalar floor as -O2 -std=c++14, matching the other datasets (9dc16c8eda99a79e1c1280ad864b53528c054e58)
- simd-loop reference: fix description left stale by the -O2 flag change (37dd60606e3eaeefa07f3fedfee3886bc365be7c)
Co-authored-by: Weihua Du <VanishD@users.noreply.huggingface.co>
Replace pre-PR#15 conv2d-only trace with current simd-loop set (definitions + workloads + reference/autovec solutions)
