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Re: Optimisation / parallelisation Problems
From: |
c. |
Subject: |
Re: Optimisation / parallelisation Problems |
Date: |
Thu, 26 Apr 2012 12:14:07 +0200 |
On 26 Apr 2012, at 11:28, somealias wrote:
> This was exactly what I was looking for! I spent quite a bit of time looking
> at pararrayfun / parcellfun examples but was still unsure how to convert my
> code. I have since applied your code / example for two functions. I have
> the following performance increases FYI and other interested readers:
>
> Desktop: Mac Pro 2 CPUs (4 cores each) - total of 16 logical cores
> (hyper-threading)
I think your speed-up would be closer to linear if you don't try to use
hyperthreading.
> 1. Dataset 1: 810 examples x 6,386 dimensions ~ 8.88x speed up
> 2: Dataset 2: 51,590 examples x 38,449 dimensions ~ 6.44x speed up
I think your best option would be to run both jobs at the same time, each on 4
cores.
> Thank you so much c.-2!
c.
Re: Optimisation / parallelisation Problems, Riccardo Corradini, 2012/04/24