using parallel computing outside a loop
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Hi to everyone!
I have to calculate multiple similar inputs with a function that I have written myself and I wondered how i can use parallel computing in this case. I have used parfor in older and other problems already, but i dont know if there are other options to use paralel computing outside loops.
How can I use parallel computing to compute all these simultaneously?
my code is in the comments.
Thanks in advance
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Raymond Norris
2020-9-28
Hi Aref,
You don't explain how you're already using parfor -- that could negate what else you can do.
Here's a crude example, there's a little cleanup/verifying to do, but it'll get you started in the right direction. Read more about parfeval to see how it can be used.
p = parpool();
dp = {Data_reg,Data_parts2,Data_parts3,Data_parts4,Data_parts4,Data_parts4};
bv = {bVec1(segment),bVec2,bVec3,bVec4,bVec4,bVec4};
% Submit jobs
for idx = 1:length(dp)
f(idx) = parfeval(@ImRegbVal,dp{idx},bv{idx},0);
end
% Fetch results
for idx = 1:length(dp)
[idx, val] = f.fetchNext;
% Do something with loop # 'idx' and loop value 'val'
% ...
end
Raymond
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