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  Topic: unordered array access is faster than ordered access???
elephant

Replies: 1
Views: 967
 PostForum: Accelerator Programming   Posted: Mon Sep 12, 2011 3:48 am   Subject: unordered array access is faster than ordered access???
Hi!
I am a little bit confused about a certain issue:
I am porting an unstructured grid application. In order to have coalesced memory access, I generated a new vector (Q_GPU_kc). It is ordered wit ...
  Topic: Loop tuning
elephant

Replies: 1
Views: 968
 PostForum: Accelerator Programming   Posted: Thu Sep 01, 2011 5:03 am   Subject: Loop tuning
Hi

I am poreting a large code to the GPU with the PGI Acc Model. Currently running 14x...
Now I want to do some fine tuning. I have 5 Loops that are showing not that good performance yet. The Loop ...
  Topic: compiler error: count
elephant

Replies: 2
Views: 1012
 PostForum: Accelerator Programming   Posted: Thu Aug 18, 2011 9:12 am   Subject: compiler error: count
Perfect! It worked!
Thnak you
  Topic: compiler error: count
elephant

Replies: 2
Views: 1012
 PostForum: Accelerator Programming   Posted: Thu Aug 18, 2011 6:52 am   Subject: compiler error: count
Hi

When I want to compile a code using "pgf90" the compiler gives me the following error message.
Code looks like:

do i=1,2
do j=1,10
if (count(isnand(Array1 ...
  Topic: Unstructured: Reading vs. Writing
elephant

Replies: 2
Views: 985
 PostForum: Accelerator Programming   Posted: Wed Aug 17, 2011 8:56 am   Subject: Unstructured: Reading vs. Writing
Very good! Thank you! Can't wait to implement this "independent" clause and see the performance gain!!!!
Excellent...
 
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