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multi-core computing in IDL [message #91691] Thu, 13 August 2015 02:52 Go to next message
markb77 is currently offline  markb77
Messages: 217
Registered: July 2006
Senior Member
hi all,

Now that we've reached IDL 8.5, are we any closer to a solution that enables IDL code to take advantage of multiple cores of the CPU for calculations? (I'm not talking about the IDL thread pool, which is restricted to specific functions). Does the IDL-Python bridge help in some way? I know that python offers a "thread" api.. ?

thanks
Mark

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Re: multi-core computing in IDL [message #91692 is a reply to message #91691] Thu, 13 August 2015 04:17 Go to previous messageGo to next message
markb77 is currently offline  markb77
Messages: 217
Registered: July 2006
Senior Member
btw, I'm also referring only to code that is virtual machine compatible, which seems to be the major limitation of the IDL-IDL bridge...

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Re: multi-core computing in IDL [message #91700 is a reply to message #91691] Thu, 13 August 2015 11:32 Go to previous messageGo to next message
chuxiangning is currently offline  chuxiangning
Messages: 17
Registered: September 2012
Junior Member
On Thursday, August 13, 2015 at 2:52:50 AM UTC-7, superchromix wrote:
> hi all,
>
> Now that we've reached IDL 8.5, are we any closer to a solution that enables IDL code to take advantage of multiple cores of the CPU for calculations? (I'm not talking about the IDL thread pool, which is restricted to specific functions). Does the IDL-Python bridge help in some way? I know that python offers a "thread" api.. ?
>
> thanks
> Mark

Hi Mark,
I have used idl_bridge to use multiple CPUs. So far so good if threads don't need data interaction.

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Re: multi-core computing in IDL [message #91706 is a reply to message #91700] Thu, 13 August 2015 14:35 Go to previous message
chris_torrence@NOSPAM is currently offline  chris_torrence@NOSPAM
Messages: 528
Registered: March 2007
Senior Member
On Thursday, August 13, 2015 at 12:32:35 PM UTC-6, chu xiangning wrote:
> On Thursday, August 13, 2015 at 2:52:50 AM UTC-7, superchromix wrote:
>> hi all,
>>
>> Now that we've reached IDL 8.5, are we any closer to a solution that enables IDL code to take advantage of multiple cores of the CPU for calculations? (I'm not talking about the IDL thread pool, which is restricted to specific functions). Does the IDL-Python bridge help in some way? I know that python offers a "thread" api.. ?
>>
>> thanks
>> Mark
>
> Hi Mark,
> I have used idl_bridge to use multiple CPUs. So far so good if threads don't need data interaction.

Hi all,

Well, the IDL Python Bridge by itself doesn't bring IDL any closer to multi-core (or parallel) computation. By the way, Python itself isn't thread-safe, and needs to jump through a lot of gyrations to use threads...

We *are* thinking about parallel IDL, and we have an outline of what needs to be done. We just need time & people. :-)

We could certainly share more information when we get closer to designing the API.

-Chris

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