Fixed mode='same' grad for convolve2d and reduced the number of flips needed
Fixed mode='same' grad for convolve2d and reduced the number of flips needed

HIPS/autograd,hips/autograd,barak/autograd,hips/autograd,kcarnold/autograd,melgor/autograd,jackkamm/autograd,FighterLYL/autograd,t1m0thy/autograd,HIPS/autograd