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Create parallel version of GroupPrevDays transformer

Open goldentom42 opened this issue 5 years ago • 0 comments

This PR adds a parallel version of GroupPrevDays transformer

Serial and parallel give same results :

image

But parallel is way slower. I suspect this due to the number of customers. I created a new file with 1000 customer_id but it seems to me it takes way too long...

@pseudotensor could you please have a look at the code when you have the time ? I may be missing something...

goldentom42 avatar Dec 12 '19 15:12 goldentom42