DTolm

6 ms·

1. 31.▲
   by DTolm 6y ago

   Currently, I hit the limit of maximum workgroups amount for one submit dispatch (this is why y and z axis are lower than x one for now). It can be removed by adding multiple dispatches to the code, which I will do in one of the next updates
2. 32.▲
   by DTolm 6y ago

   No, the 1D case will mostly save on the fact that it transfers 2x times less data from the vram to the chip. The up to 2x times increase in performance was mainly related to 2D and 3D cases, where only 1/4 or 1/8 of the data is no
3. 33.▲
   by DTolm 6y ago

   That is almost the correct answer. To go even further, there are sequences that are completely full of zeros in the padded case of multidimensional FFTs and we can omit their FFTs entirely.
4. 34.▲
   by DTolm 6y ago

   Hello, I am the author of VkFFT. When I made VkFFT I wanted license to be like this: your project doesn't have to be open-source, but please share your modifications to VkFFT. I think about switching it to MPL 2.0, is this one better f
5. 35.▲
   by DTolm 6y ago

   This was indeed what I was thinking in the first place, when I made VkFFT - your project doesn't have to be open-source, but please share your modifications to VkFFT. I think about switching it to MPL 2.0, is this one better for everyb