07:22
2026-06-17
dev.to
machine-learning
Winograd convolutions cost us 2 mAP and we didn't notice for a month
A team of CV engineers deploying a pedestrian detector on a Cortex-A53 board enabled Winograd convolution for a speedup but lost 2.1 mAP due to fp16 overflow in the F(4,3) transform, with small object…