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Re: Parallel Processing in IDL [message #72819 is a reply to message #72813]

Mon, 11 October 2010 11:06

Ammar Yusuf
Messages: 36
Registered: October 2010

Member

On Oct 11, 12:41 pm, mgalloy <mgal...@gmail.com> wrote:
> On 10/11/10 10:35 AM, Ammar Yusuf wrote:
>
>> What's an easy way to use multiple processors in IDL? I have a large
>> program but I want to start with a simple program first. Let's say I
>> have an array of a million integers and I have four processors. I want
>> to add all the elements in this array and output it. I could split the
>> array into four parts and give it to each processor right? Is this
>> possible? How would I do this? Thanks!
>
> IDL's thread pool (search the IDL online help for thread pool for more
> information) will do things like that automatically if you just have a
> system with multiple processors.
>
> If you want to do more complex tasks than just vector operations then
> check out FastDL (it has an MPI interface and a task farming interface,
> depending on the level of control you need):
>
> http://www.txcorp.com/products/FastDL/index.php
>
> Disclosure: I work for Tech-X.
>
> Mike
> --www.michaelgalloy.com
> Research Mathematician
> Tech-X Corporation

Well let's say I have a for loop and inside this for loop I have
around 50-100 lines and these computations are going out to different
procedures and functions. Would I still use the IDL Thread Pool?
Thanks!

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[Message index]

		Re: Parallel Processing in IDL By: natha on Mon, 11 October 2010 15:13
		Re: Parallel Processing in IDL By: Michael Galloy on Mon, 11 October 2010 13:01
		Re: Parallel Processing in IDL By: Ammar Yusuf on Mon, 11 October 2010 11:06
		Re: Parallel Processing in IDL By: Haje Korth on Mon, 11 October 2010 10:51
		Re: Parallel Processing in IDL By: Matt[2] on Mon, 11 October 2010 09:41
		Re: Parallel Processing in IDL By: Michael Galloy on Mon, 11 October 2010 09:41
		Re: Parallel Processing in IDL By: Ammar Yusuf on Wed, 13 October 2010 12:38
		Re: Parallel Processing in IDL By: rogass on Tue, 12 October 2010 05:34
		Re: Parallel Processing in IDL By: desilvestri.manuela on Tue, 03 May 2016 07:18
		Re: Parallel Processing in IDL By: charan.harish on Sat, 22 July 2017 14:25
		Re: Parallel Processing in IDL By: natha on Mon, 24 July 2017 05:56

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