Update Theano to 0.9rc3 out use the old backend with 0.8.2 Le ven. 10 mars 2017 00:35, anishi gupta <[email protected]> a écrit :
> libgpuarray > > It is recommended that you don’t use 0.8.2 for the new back-end. Use the > dev version of Theano or 0.9rc3. > > Theano 0.8.2 is not a development version, its a stable version. Will new > back-end for gpu not work well with this theano version. Should i use old > version i.e device =gpu or cnmem=1 in .rc file. > > On Fri, Mar 10, 2017 at 10:45 AM, anishi gupta <[email protected]> > wrote: > > Dear Sir, > > I have theano 0.8.2 installed in my system.. Is it development version > because new back end memory allocation (gpuarray) will work(optimize) on > development version or version higher than 0.9 as read in theano doc .And > do I require to install libgpuarray also for proper functioning of gpuarray > backend. > > On Thu, Mar 9, 2017 at 9:04 PM, Ramana Subramanyam <[email protected]> > wrote: > > Yes. The RC file is for more frequent usecases. For lesser frequent ones , > you can override the settings using flags. > Ramana > > On Mar 9, 2017 20:52, "anishi gupta" <[email protected]> wrote: > > And one thing more sir, if I am preallocating memory on .theanorc file > then there is no need of setting device flag with gpuarray on terminal, > simply I may run Python file.py. > On 9 Mar 2017 8:45 p.m., "anishi gupta" <[email protected]> wrote: > > It means by setting flag at run time with device=gpuarray, I am allocating > not pre allocating. > On 9 Mar 2017 8:16 p.m., "Kiuhnm Mnhuik" <[email protected]> wrote: > > Allocation is a relatively slow operation so preallocation is an > optimization. Without preallocation, Theano should allocate memory on the > GPU only when needed. > > On Thursday, March 9, 2017 at 1:23:07 PM UTC+1, Ani wrote: > > And if I don't mention in .theanorc file and use device= gpuarray then by > default how much memory it takes in GPU? > On 9 Mar 2017 5:44 p.m., "Kiuhnm Mnhuik" <[email protected]> wrote: > > It's a flag just like "device". You can add > > [gpuarray] > preallocate = 0.7 > > to your .theanorc file. > > On Thursday, March 9, 2017 at 11:58:57 AM UTC+1, Ani wrote: > > Dear sir, > > kindly tell me how to use this line..gpuarray.preallocate=0.7....it > should be used at run time or in code??..I am using deep learning first > time.. > > > > On Mon, Mar 6, 2017 at 4:49 PM, anishi gupta <[email protected]> wrote: > > Where should I use this sir...i mean how to use this..? > > On Mon, Mar 6, 2017 at 4:37 PM, Kiuhnm Mnhuik <[email protected]> wrote: > > You should use gpuarray.preallocate=0.7 (choose the % you want) > > On Monday, March 6, 2017 at 8:31:58 AM UTC+1, Ani wrote: > > Sir I think GPUArray will itself control GPU memory allocation, there is > no need of cnmem now as it is depreciated whic is controlled via CUDA > backend. > > On Mon, Mar 6, 2017 at 12:20 PM, anishi gupta <[email protected]> wrote: > > Hello Sir, > > When I used command "device=gpuN python file.py" then code is successfullt > running on gpu.As you said theano FLAGS will override .rc file settings so > I think there is no need of making .theanorc file. Kindly tell me how to > make cuda memory faster if I dont use cnmem...I want to gain speedup in gpu > as compare to cpu.... > > > > On Fri, Mar 3, 2017 at 7:08 PM, Ramana Subramanyam <[email protected]> > wrote: > > Hi, > You don't set the device parameter. Set your device to gpuN and try > running again. cnmem is from the old backend, which will be depreciated > soon. You should start using device=cudaN and config.gpuarray.preallocate > instead > of lib.cnmem. Also, you seem to override the config file with THEANO_FLAGS. > Use either of them (remember FLAGS can override .rc file settings). > > Ramana > > On Friday, March 3, 2017 at 7:06:24 PM UTC+5:30, Ani wrote: > > No sir I have put > [lib] > cnmem=1 > but it shows error of lib command not found..what to do sir now. > On 3 Mar 2017 5:07 p.m., "Kiuhnm Mnhuik" <[email protected]> wrote: > > You probably forgot [lib]: > > [lib] > cnmem = 1 > > Hello Sir... > > I have successfully installed CuDNN and it is also available...but problem > is with cnmem..When I wrote cnmem=1 in my .theanorc file which is at home > directory..it gives error on running any code with cpu or gpu..please have > a look at error(screenshot is attached). > > Thanks in advance.... > Regards > Anishi Gupta > > On Saturday, 28 May 2016 11:05:29 UTC+5:30, Poornachandra Sandur wrote: > > Hi, > CNMem is fast CUDA memory allocator ... if you want to > set it you can do it by writing the below lines in your .theanorc file ... > > [lib] > cnmem=1 > > > ------------------------------- > > For CUDNN you can do it with the following steps : > > *First download the file : cudnn-7.0-linux-x64-v3.0-prod.tgz* > > *Extract it to home directory* > > *and set the LD_LIBRARY_PATH to the above extracted directory* > > *and then follow the below steps :* > > > > *sudo cp /home/poornachandra/cuda/include/cudnn.h > /usr/local/cuda-7.5/include/* > > *sudo cp /home/poornachandra/cuda/lib64/libcudnn* > /usr/local/cuda-7.5/lib64/* > > > On Fri, May 27, 2016 at 1:22 PM, Ramana Subramanyam <[email protected]> > wrote: > > Hello there, > If anyone is running theano on OSX, you need to make a few changes to > Poornachandra's answer. Instead of setting the path of *LD_LIBRARY_PATH, * > set *DYLD_LIBRARY_PATH *to the extracted directory of CUDNN. I have > extracted them into `/home/packages/` and I am using CUDA 7.5. Copy those > files to the following destination, > > > 1) sudo cp ~/packages/cuda/lib/libcudnn* /Developer/NVIDIA/CUDA-7.5/lib/ > > > > 2) sudo cp ~/packages/cuda/include/cudnn.h /Developer/NVIDIA/CUDA-7.5/ > include/ > > > > Hope this helps! > > On Tuesday, March 15, 2016 at 7:52:50 AM UTC+5:30, Ashutosh Modi wrote: > > Hi, > > I am running the latest version of Theano 0.8 on linux server using the > GPUs. When I run my code I get the following message : > > Using gpu device 0: GeForce GTX TITAN X (CNMeM is disabled, CuDNN not > available) > > > Is it normal or something is lacking or is it some bug? I ran my code > after clearing the .thano directory. > > > Please help me in resolving this. > > > Thanks, > > Ashutosh > > -- > > --- > 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. > > > > > -- > warm regards, > Poornachandra Sandur, > Mob.No.+91-9901913049 > > -- > > --- > 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/4qKbh5C_9e4/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 a topic in the > Google Groups "theano-users" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/theano-users/4qKbh5C_9e4/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. > > > > > -- > > With Best Wishes and Regards > Anishi Gupta > > > > > > -- > > With Best Wishes and Regards > Anishi Gupta > > > -- > > --- > 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/4qKbh5C_9e4/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. > > > > > -- > > With Best Wishes and Regards > Anishi Gupta > > > > > > -- > > With Best Wishes and Regards > Anishi Gupta > > > -- > > --- > 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/4qKbh5C_9e4/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 a topic in the > Google Groups "theano-users" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/theano-users/4qKbh5C_9e4/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. > > > > > -- > > With Best Wishes and Regards > Anishi Gupta > > > > > > -- > > With Best Wishes and Regards > Anishi Gupta > > > -- > > --- > 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. 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