AnsweredAssumed Answered

Errors in memtestCL when testing more then 3992Mb

Question asked by sdanchenko on Feb 15, 2013
Latest reply on Feb 18, 2013 by sdanchenko

My setup:

Linux Ubuntu 12.10

Sapphire Radeon Vapor-X HD 7970 GHZ OC 6GB

AMD 13.2 driver and APP SDK 2.8


I would like to test memory on the card. If I run "memtestCL 3992 1" I have no errors. When I run with 3994 or more I got tons of errors.


Also, as a last resort, I inserted "cout << CL_DEVICE_MAX_MEM_ALLOC_SIZE <<endl;" before clCreateBuffer command and got printed out 4112 as Max allocatable memory (if I understand it correctly).


So, my question: is there a bug in memtestCL or I have, actually, memory errors and it is better to replace a card?


Also, are there any other ways to test GPU memory? Especially 6Gb.