message: Enable 1x1 convolution optimization
diff: @@ -606,7 +606,7 @@ public:
  int inpCnAll = input.size[1], width = input.size[3], height = input.size[2];
  int inpCn = inpCnAll / ngroups;
  - p.is1x1_ = kernel == Size(0,0) && pad == Size(0, 0);
  + p.is1x1_ = kernel == Size(1,1) && pad == Size(0, 0);
  p.useAVX = checkHardwareSupport(CPU_AVX);
  p.useAVX2 = checkHardwareSupport(CPU_AVX2);
  p.useAVX512 = CV_CPU_HAS_SUPPORT_AVX512_SKX;
  