taskGNU Astronomy Utilities - Tasks: task #13787, Using OpenACC for GPU


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task #13787: Using OpenACC for GPU

Submitter:  Mohammad Akhlaghi <makhlaghi>
Submitted:  Sat 24 Oct 2015 01:39:35 PM UTC
Should Start On:  Fri 23 Oct 2015 03:00:00 PM UTC Should be Finished on:  Fri 23 Oct 2015 03:00:00 PM UTC
Category:  All Gnuastro Priority:  5 - Normal
Item Group:  Enhancement Status:  Postponed
Privacy:  Public Assigned to:  None
Percent Complete:  0% Open/Closed:  Open
Effort:  0.00

Fri 19 Feb 2016 07:48:08 AM UTC, comment #1: 

task #13900 was defined for a general way for programs to allow different threads (CPU or GPU) to read parts of their input data separately. It is thus not fully independent of this task.

Mohammad Akhlaghi <makhlaghi>
Group administrator
Sat 24 Oct 2015 01:39:35 PM UTC, original submission:  

From version 5, GCC has started implementing the OpenACC standard to use GPU functionality on any GPU. It is not yet complete, but we can start planning for it.

Basically, we can write a check in "./configure" to see if a GPU is present on the system and set a macro in config.h so the appropriate part of the code can use OpenACC. Ofcourse since GCC is still implementing OpenACC, there is no general rush until it has become mature enough.

Mohammad Akhlaghi <makhlaghi>
Group administrator


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