AnsweredAssumed Answered

sys freeze for large(?) array

Question asked by dns.on.gpu on Mar 5, 2015
Latest reply on Mar 26, 2015 by dns.on.gpu



I am trying various tests using ffts on a 3gb hd 7950. The speeds I seem to get are impressive - if the use

of gettimeofday() can be relied upon to measure elapsed times.


When I try to make  100000 x 1536 double precision in-place r2c transforms, my pc seizes up.

The half case (50000 x 1536) is fine.  I am running this of a 8gb pc with ubuntu 14.04 and using

the gui with 4 windows open. Before I post any code etc,  is there anything I should be checking