7 Replies Latest reply on Sep 5, 2010 5:40 AM by himanshu.gautam

    multiple GPUs problem: same kernel,some devices have low speed?


      i use 5970,which have two devicesevice0 and device1;

      i run the kernel in single devices model(device0 or device1), need 4093 ms to run the kernel ;

      while i run the kernel in multiple devices model,the time need sometime need 4093 ms,some time need 12000ms?