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You loaded an image, got a tensor shaped (batch, height, width, channels), and your convolution wants (batch, channels, height, width). Stack Overflow says permute. Someone else says transpose. And re

You've spent hours tuning your RLVR training run. GRPO converges too aggressively on hard problems. You switch to Dr. GRPO for stability, but then you read that DAPO gets better results by throwing aw
