how to improve the file reading speed during preprocessing procedures

Submitted by ywsky01 on

Hi all,

It's been a good time working with DPABI. However, I encountered an annoying problem while deploying DPABI to help preprocessing fMRI data. Before processed by the preprocessing algorithms, the file reading speed of the matlab is extremely slow that it could take 2 hours to finish Smooth for 12 subjects given the conditions that the computer has 16 cores while matlab only recruited 12 cores, the RAM is 256 GB. I have been trying to find the solution in vain. So it is my wish that somebody could offer help and advice in this forum. Your comments will be greatly appreciated. Please don't hesitate to share with me your knowledge about this problem.

Thanks a lot.

Dear Prof  Yan:

Thank you very much for offering to help. Given your suggestion, I suppose this wasn't a typical issue regarding the processing speed. I did try the same dataset on my personal computer before. It turned out that my computer was quite faster than the more advanced one. I haven't figured out the problem yet. However, I might guess it has something to do with the lengthy running time of matlab and the parallel working windows of matlab ( two or more matlab windows were deployed concurrently. The extremely slow processing speed have happened for several times. Despite of without knowledge of what was going on, it seems restarting the matlab and dpabi or restarting the computer is a good choice.

Thanks!

Sincerely

Yuwen

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