Thanks Jesse, it helps a lot!
************************************************************************************** *Wenpeng Yin* University of Munich CIS, Oettingenstr.67, 80538 Munich, Germany *Homepage:http://sites.google.com/site/yinwenpeng1987/ <https://sites.google.com/site/yinwenpeng1987/>* On 20 July 2017 at 03:20, Jesse Livezey <[email protected]> wrote: > Some operations on GPU are not deterministic. I think some convolution > operations and also reduction operations are two examples. See this thread > for more info > https://groups.google.com/forum/#!searchin/theano-users/ > atomic$20add%7Csort:relevance/theano-users/g-BF6zwMirM/ojWzbUBPBwAJ > > On Tuesday, July 18, 2017 at 1:20:41 PM UTC-7, Wenpeng Yin wrote: >> >> Hi guys, >> >> I have a long-term problem when running theano code in GPU: even I use >> two command windows to run the same program (on the same GPU or different >> GPUs), they show different performances. It's hard to say the difference is >> small or big, depending on the task. This makes difficult to judge a >> program modification is better or worse. >> >> I can not find the problem, as I notice that I always use the same random >> seed, for example "rng = numpy.random.RandomState(23455)", whenever I >> create parameters, so they are expected to repeat the process, right? >> >> The only thing I can think about is that GPU uses 32 bits, not 64, this >> will lose precision? >> >> Thanks for any hints. >> > -- > > --- > You received this message because you are subscribed to a topic in the > Google Groups "theano-users" group. > To unsubscribe from this topic, visit https://groups.google.com/d/ > topic/theano-users/ktfKnwq7ynQ/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- --- You received this message because you are subscribed to the Google Groups "theano-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
