There was a fix to the random stream in the new back-end. This could fix that.
But you should use not use_cuda=True with the new back-end, this is for the old back-end only. On Sat, Nov 12, 2016 at 9:50 PM, Ragav Venkatesan < [email protected]> wrote: > I'm sorry I want to correct myself. use_cuda =None is not creating a new > process on another GPU and is running as usual. Only using use_cuda = True > in libgpuarray mode has this issue. > > > On Saturday, November 12, 2016 at 7:46:17 PM UTC-7, Ragav Venkatesan wrote: >> >> same result from what I can see. But I was under the assumption that >> use_cuda = None is going make the thing run on CPU no matter what. >> >> On Saturday, November 12, 2016 at 9:31:12 AM UTC-7, Pascal Lamblin wrote: >>> >>> What about the default of "use_cuda=None"? >>> >>> On Fri, Nov 11, 2016, Ragav Venkatesan wrote: >>> > I use theano.sandbox.rng_mrg.MRG_RandomStreams to generate a 2D (and >>> 1D ) >>> > dropout masks for applying dropouts. I create it so, >>> > >>> > srng = MRG_RandomStreams(rng.randint(1,89324723894), use_cuda = True) >>> > mask = srng.binomial (n=1, p=1-dropout_rate,size=params.shape,dtype = >>> > floatX) >>> > >>> > otuput = params *mask. >>> > >>> > doing this operation is doing two things. >>> > >>> > 1. If I use the libgpuarray backend, and I have two GPUS, the mask is >>> being >>> > created in another GPU from the one I have used in config.device. >>> > 2. If I use it with use_cuda = False, it is creating the data in the >>> same >>> > GPU, but then the code does not run on GPU.. >>> > >>> > Appreciate any help. >>> > >>> > -- >>> > >>> > --- >>> > 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. >>> >>> >>> -- >>> Pascal >>> >> -- > > --- > 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. > -- --- 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.
