Hi, Arnaud, 

Thanks for your reply! I believe currently I rely on the gcc from 
m2w64-toolchain package, installed via conda.
Where can I find this file "test.c", and how can I compile with your code?

Thanks!

On Wednesday, April 11, 2018 at 12:18:56 PM UTC-5, Arnaud Bergeron wrote:
>
> It seems like the gcc in anaconda has trouble when installed in a path 
> with spaces:
>
> Can you copy this to 'test.c':
>
> int main() {
>     return 1;
> }
>
> and try to compile with:
>
> g++ test.c -o test
>
>
> Le 10 avr. 2018 à 17:19, Qinpeng Wang <wqp.g...@gmail.com <javascript:>> 
> a écrit :
>
> Hi, Arnaud, 
>
> Thanks for your reply! I reinstalled CUDA, copied cudnn files in the cuda 
> directory, and removed the two parameters. However, I got the same errors 
> from my first post:
>
> ERROR (theano.gpuarray): Could not initialize pygpu, support disabled
> Traceback (most recent call last):
>   File "C:\Program 
> Files\Anaconda3\envs\te\lib\site-packages\theano\gpuarray\__init__.py", line 
> 227, in <module>
>     use(config.device)
>   File "C:\Program 
> Files\Anaconda3\envs\te\lib\site-packages\theano\gpuarray\__init__.py", line 
> 214, in use
>     init_dev(device, preallocate=preallocate)
>   File "C:\Program 
> Files\Anaconda3\envs\te\lib\site-packages\theano\gpuarray\__init__.py", line 
> 121, in init_dev
>     dnn.dnn_available.msg)
> RuntimeError: You enabled cuDNN, but we aren't able to use it: cannot compile 
> with cuDNN. We got this error:
> b'C:/Program 
> Files/Anaconda3/envs/te/Library/mingw-w64/bin/../lib/gcc/x86_64-w64-mingw32/5.3.0/../../../../x86_64-w64-mingw32/bin/ld.exe:
>  cannot find C:/Program: No such file or directory
> C:/Program 
> Files/Anaconda3/envs/te/Library/mingw-w64/bin/../lib/gcc/x86_64-w64-mingw32/5.3.0/../../../../x86_64-w64-mingw32/bin/ld.exe:
>  cannot find 
> Files/Anaconda3/envs/te/Library/mingw-w64/bin/../lib/gcc/x86_64-w64-mingw32/5.3.0/../../../../x86_64-w64-mingw32/lib/../lib/default-manifest.o:
>  No such file or directory
> collect2.exe: error: ld returned 1 exit status'
>
>
> Any other suggestion you have?
>
> Thanks!
>
>
> On Tuesday, April 10, 2018 at 12:45:59 PM UTC-5, Arnaud Bergeron wrote:
>>
>>
>>
>> Le 3 avr. 2018 à 12:01, Qinpeng Wang <wqp.g...@gmail.com> a écrit :
>>
>> Hi Pascal, 
>>
>> I have CUDA installed a while ago when I was still using the old GPU 
>> backend at C:\Program Files\NVIDIA GPU Computing Toolkit, then I copied 
>> the CUDA folder to C root. 
>>
>>
>> This most likely broke DLL registrations.  Please don't do that.
>>
>> If you reinstall cuda in its original location, put the cudnn files in 
>> the cuda directory and remove these two parameters in your theanorc file:
>>
>> include_path=C:/CUDA/v7.5/include
>> library_path=C:/CUDA/v7.5/lib/x64
>>
>> It should work again.
>>
>> ---
>>
>> I you really want to try with the current setup, you can try to set this
>>
>> base_path=C:/CUDA/v7.5
>>
>> Instead of the two above, but I'm pretty sure that will still break on 
>> the cuda DLLs.
>>
>>
>>
>> Then I installed cuDNN by copying unzipped files into corresponding 
>> folders inside CUDA folder. I'm using CUDA 7.5 and cuDNN 6.0 (Windows7). 
>> See my theanoc file in my original post to make sure I have pointed theano 
>> to the right location. 
>> Yes this error is not related to Idflags.
>>
>> Thanks!
>>
>> On Tuesday, April 3, 2018 at 9:59:38 AM UTC-5, Pascal Lamblin wrote:
>>>
>>> This is a completely different error message. 
>>> This one has to do with cuDNN, not BLAS or MKL. 
>>>
>>> Where have you installed cuDNN? 
>>> Does _that_ error still happen when you do not ldflags? 
>>>
>>> On 2018-04-03 10:46 AM, Qinpeng Wang wrote: 
>>> > Hi Pascal, 
>>> > 
>>> > Thanks for your reply! 
>>> > I have "mkl-service" package installed via conda (I have versions of 
>>> > installed libraries in my original post), but somehow theano is unable
>>>  
>>> > to locate the BLAS library automatically, hence the warning message. 
>>> > Since the "gcc-v" output seems reasonable, could you please help me 
>>> > figure out how to get rid of the error message in my original post? I 
>>> > attach it here again for your convenience. 
>>> > 
>>> > When I run: 
>>> > |python -c "import theano"| 
>>> > 
>>> > I get this message: 
>>> > 
>>> > |ERROR (theano.gpuarray): Could not initialize pygpu, support disabled
>>>  
>>> > Traceback (most recent call last): File "C:\Program 
>>> > Files\Anaconda3\envs\te\lib\site-packages\theano\gpuarray\__init__.py",
>>>  
>>> > line 227, in <module> use(config.device) File "C:\Program 
>>> > Files\Anaconda3\envs\te\lib\site-packages\theano\gpuarray\__init__.py",
>>>  
>>> > line 214, in use init_dev(device, preallocate=preallocate) File 
>>> > "C:\Program 
>>> > Files\Anaconda3\envs\te\lib\site-packages\theano\gpuarray\__init__.py",
>>>  
>>> > line 121, in init_dev dnn.dnn_available.msg) RuntimeError: You enabled
>>>  
>>> > cuDNN, but we aren't able to use it: cannot compile with cuDNN. We got
>>>  
>>> > this error: b'C:/Program 
>>> > 
>>> Files/Anaconda3/envs/te/Library/mingw-w64/bin/../lib/gcc/x86_64-w64-mingw32/5.3.0/../../../../x86_64-w64-mingw32/bin/ld.exe:
>>>  
>>> > cannot find C:/Program: No such file or directory C:/Program 
>>> > 
>>> Files/Anaconda3/envs/te/Library/mingw-w64/bin/../lib/gcc/x86_64-w64-mingw32/5.3.0/../../../../x86_64-w64-mingw32/bin/ld.exe:
>>>  
>>> > cannot find 
>>> > 
>>> Files/Anaconda3/envs/te/Library/mingw-w64/bin/../lib/gcc/x86_64-w64-mingw32/5.3.0/../../../../x86_64-w64-mingw32/lib/../lib/default-manifest.o:
>>>  
>>> > No such file or directory collect2.exe: error: ld returned 1 exit 
>>> status' | 
>>> > 
>>> > 
>>> > Thanks! 
>>> > 
>>> > 
>>> > On Tuesday, April 3, 2018 at 9:28:37 AM UTC-5, Pascal Lamblin wrote: 
>>> > 
>>> >     On 2018-03-30 11:16 PM, Qinpeng Wang wrote: 
>>> >      > Hi Pascal, 
>>> >      > 
>>> >      > Thanks for your reply!! Indeed I wasn't really sure how to set 
>>> the 
>>> >      > ldflags parameter, but if I don't have this line, I get this 
>>> warning 
>>> >      > message: 
>>> >      > 
>>> >      > WARNING (theano.tensor.blas): Using NumPy C-API based 
>>> >     implementation for 
>>> >      > BLAS functions. 
>>> > 
>>> >     This is just a warning, the worse issue would be a slight slow 
>>> down in 
>>> >     some CPU operations. 
>>> > 
>>> >      > After inspecting theano/tensor/blas_headers.py 
>>> >      > 
>>> >     <
>>> https://github.com/Theano/Theano/blob/82a3ec977b7c8630d92871e70d62e5a2c52cea62/theano/tensor/blas_headers.py
>>>  
>>> >     <
>>> https://github.com/Theano/Theano/blob/82a3ec977b7c8630d92871e70d62e5a2c52cea62/theano/tensor/blas_headers.py
>>> >>, 
>>> > 
>>> >      > I found the following: 
>>> >      > 
>>> >      > |if not config.blas.ldflags: logger.warning('Using NumPy C-API 
>>> based 
>>> >      > implementation for BLAS functions.')| 
>>> >      > 
>>> >      > So I realize I may have to have ldflags in the theaorc file to 
>>> >     get rid 
>>> >      > of this warning message. *How to set ldflags correctly?* 
>>> > 
>>> >     These flags are for specifying where an optimized BLAS library is, 
>>> when 
>>> >     it is not found automatically. 
>>> >     If you do not have an optimized BLAS library installed, then it 
>>> should 
>>> >     stay empty. 
>>> > 
>>> >     Did you install the "mkl-service" package in conda? 
>>> >     This is usually the easiest way to install an optimized BLAS that 
>>> will 
>>> >     be automatically found. 
>>> > 
>>> >      > I was asking around what the correct output of "gcc -v" would 
>>> >     look like, 
>>> >      > but have not got any reply yet, here it is: 
>>> > 
>>> >     This seems reasonable. 
>>> > 
>>> >      > 
>>> >      > |Using built-in specs. COLLECT_GCC=gcc 
>>> >     COLLECT_LTO_WRAPPER=C:/Program\ 
>>> >      > 
>>> >     
>>> Files/Anaconda3/envs/te/Library/mingw-w64/bin/../lib/gcc/x86_64-w64-mingw32/5.3.0/lto-wrapper.exe
>>>  
>>> > 
>>> >      > Target: x86_64-w64-mingw32 Configured with: 
>>> ../gcc-5.3.0/configure 
>>> >      > --prefix=/mingw64 --with-local-prefix=/mingw64/local 
>>> >      > --build=x86_64-w64-mingw32 --host=x86_64-w64-mingw32 
>>> >      > --target=x86_64-w64-mingw32 
>>> >      > 
>>> --with-native-system-header-dir=/mingw64/x86_64-w64-mingw32/include 
>>> >      > --libexecdir=/mingw64/lib 
>>> >      > --with-gxx-include-dir=/mingw64/include/c++/5.3.0 
>>> --enable-bootstrap 
>>> >      > --with-arch=x86-64 --with-tune=generic 
>>> >      > --enable-languages=c,lto,c++,objc,obj-c++,fortran,ada 
>>> >     --enable-shared 
>>> >      > --enable-static --enable-libatomic --enable-threads=posix 
>>> >      > --enable-graphite --enable-fully-dynamic-string 
>>> >      > --enable-libstdcxx-time=yes --disable-libstdcxx-pch 
>>> >      > --disable-libstdcxx-debug --enable-version-specific-runtime-libs
>>>  
>>> >      > --disable-isl-version-check --enable-lto --enable-libgomp 
>>> >      > --disable-multilib --enable-checking=release --disable-rpath 
>>> >      > --disable-win32-registry --disable-nls --disable-werror 
>>> >      > --disable-symvers --with-libiconv --with-system-zlib 
>>> >     --with-gmp=/mingw64 
>>> >      > --with-mpfr=/mingw64 --with-mpc=/mingw64 --with-isl=/mingw64 
>>> >      > --with-pkgversion='Rev5, Built by MSYS2 project' 
>>> >      > --with-bugurl=https://sourceforge.net/projects/msys2 
>>> >     <https://sourceforge.net/projects/msys2> --with-gnu-as 
>>> >      > --with-gnu-ld Thread model: posix gcc version 5.3.0 (Rev5, 
>>> Built by 
>>> >      > MSYS2 project)| 
>>> >      > 
>>> >      > 
>>> >      > Lastly, I have restarted the computer, the error message stayed
>>>  
>>> >     the same. 
>>> >      > 
>>> >      > Thank you so much! 
>>> >      > 
>>> >      > On Friday, March 30, 2018 at 9:38:11 PM UTC-5, Pascal Lamblin 
>>> wrote: 
>>> >      > 
>>> >      >     Your "ldflags" option in the "[blas]" section is not 
>>> correct, 
>>> >     it should 
>>> >      >     at least start with -I or -l, and there should be quotation
>>>  
>>> >     marks 
>>> >      >     around 
>>> >      >     the path since there is a space in "Program Files". 
>>> >      > 
>>> >      >     What happens if you do not include this line in the 
>>> .theanorc? 
>>> >      > 
>>> >      >     Are you able to run `gcc -v` from inside the conda env, and
>>>  
>>> >     what is the 
>>> >      >     output? 
>>> >      > 
>>> >      >     Also, it may seem stupid, but have you restarted your 
>>> >     computer, or at 
>>> >      >     least the terminal, since you installed m2w64-toolchain? 
>>> >      > 
>>> >      >     On 2018-03-30 01:27 PM, Qinpeng Wang wrote: 
>>> >      >      > Hi, all, 
>>> >      >      > 
>>> >      >      > 
>>> >      >      > I'm trying to setup theano 1.0.1 with CUDA 7.5 and cuDNN 
>>> 6.0 
>>> >      >     (Windows7). 
>>> >      >      > I created a new virtual environment with conda and 
>>> installed 
>>> >      >     required 
>>> >      >      > libraries like this: 
>>> >      >      > 
>>> >      >      > |conda install numpy scipy mkl-service libpython 
>>> >     m2w64-toolchain 
>>> >      >     conda 
>>> >      >      > install theano pygpu | 
>>> >      >      > 
>>> >      >      > Here are versions of major relavant libraries: 
>>> >      >      > 
>>> >      >      > |theano 1.0.1 python 3.5.5 numpy 1.14.2 scipy 1.0.0 
>>> >      >     m2w64-toolchain 5.3.0 
>>> >      >      > mkl-service 1.1.2 pygpu 0.7.5 libgpuarray 0.7.5 libpython
>>>  
>>> >     2.1 mkl 
>>> >      >     2018.0.2 | 
>>> >      >      > 
>>> >      >      > The way I installed cuDNN is to copy files into 
>>> corresponding 
>>> >      >     folders 
>>> >      >      > inside CUDA folder. Originally I installed CUDA at 
>>> C:\Program 
>>> >      >      > Files\NVIDIA GPU Computing Toolkit, then I copied the 
>>> CUDA 
>>> >     folder 
>>> >      >     to C root. 
>>> >      >      > 
>>> >      >      > When I run: 
>>> >      >      > |python -c "import theano"| 
>>> >      >      > 
>>> >      >      > I get this message: 
>>> >      >      > 
>>> >      >      > |ERROR (theano.gpuarray): Could not initialize pygpu, 
>>> support 
>>> >      >     disabled 
>>> >      >      > Traceback (most recent call last): File "C:\Program 
>>> >      >      > 
>>> >      >     
>>> >     
>>> Files\Anaconda3\envs\te\lib\site-packages\theano\gpuarray\__init__.py", 
>>> >      >      > line 227, in <module> use(config.device) File "C:\Program
>>>  
>>> >      >      > 
>>> >      >     
>>> >     
>>> Files\Anaconda3\envs\te\lib\site-packages\theano\gpuarray\__init__.py", 
>>> >      >      > line 214, in use init_dev(device, 
>>> preallocate=preallocate) 
>>> >     File 
>>> >      >      > "C:\Program 
>>> >      >      > 
>>> >      >     
>>> >     
>>> Files\Anaconda3\envs\te\lib\site-packages\theano\gpuarray\__init__.py", 
>>> >      >      > line 121, in init_dev dnn.dnn_available.msg) 
>>> RuntimeError: 
>>> >     You 
>>> >      >     enabled 
>>> >      >      > cuDNN, but we aren't able to use it: cannot compile with
>>>  
>>> >     cuDNN. 
>>> >      >     We got 
>>> >      >      > this error: b'C:/Program 
>>> >      >      > 
>>> >      >     
>>> >     
>>> Files/Anaconda3/envs/te/Library/mingw-w64/bin/../lib/gcc/x86_64-w64-mingw32/5.3.0/../../../../x86_64-w64-mingw32/bin/ld.exe:
>>>  
>>> > 
>>> >      > 
>>> >      >      > cannot find C:/Program: No such file or directory 
>>> C:/Program 
>>> >      >      > 
>>> >      >     
>>> >     
>>> Files/Anaconda3/envs/te/Library/mingw-w64/bin/../lib/gcc/x86_64-w64-mingw32/5.3.0/../../../../x86_64-w64-mingw32/bin/ld.exe:
>>>  
>>> > 
>>> >      > 
>>> >      >      > cannot find 
>>> >      >      > 
>>> >      >     
>>> >     
>>> Files/Anaconda3/envs/te/Library/mingw-w64/bin/../lib/gcc/x86_64-w64-mingw32/5.3.0/../../../../x86_64-w64-mingw32/lib/../lib/default-manifest.o:
>>>  
>>> > 
>>> >      > 
>>> >      >      > No such file or directory collect2.exe: error: ld 
>>> returned 
>>> >     1 exit 
>>> >      >     status' | 
>>> >      >      > 
>>> >      >      > My theanoc file: 
>>> >      >      > 
>>> >      >      > |[global] floatX = float32 device = cuda [dnn] enabled = 
>>> True 
>>> >      >      > include_path=C:/CUDA/v7.5/include 
>>> >     library_path=C:/CUDA/v7.5/lib/x64 
>>> >      >      > [blas] ldflags = C:/Program 
>>> >     Files/Anaconda3/envs/t/Library/bin 
>>> >      >     mkl_rt | 
>>> >      >      > 
>>> >      >      > Can somebody help please? 
>>> >      >      > 
>>> >      >      > 
>>> >      >      > Thanks! 
>>> >      >      > 
>>> >      >      > -- 
>>> >      >      > 
>>> >      >      > --- 
>>> >      >      > 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 theano-users...@googlegroups.com 
>>> <javascript:> 
>>> >      >      > <mailto:theano-users+unsubscr...@googlegroups.com 
>>> >     <javascript:> <javascript:>>. 
>>> >      >      > For more options, visit 
>>> https://groups.google.com/d/optout 
>>> >     <https://groups.google.com/d/optout> 
>>> >      >     <https://groups.google.com/d/optout 
>>> >     <https://groups.google.com/d/optout>>. 
>>> >      > 
>>> >      >     -- 
>>> >      >     Pascal Lamblin 
>>> >      > 
>>> >      > -- 
>>> >      > 
>>> >      > --- 
>>> >      > 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 theano-users...@googlegroups.com <javascript:> 
>>> >      > <mailto:theano-users+unsubscr...@googlegroups.com 
>>> <javascript:>>. 
>>> >      > For more options, visit https://groups.google.com/d/optout 
>>> >     <https://groups.google.com/d/optout>. 
>>> > 
>>> >     -- 
>>> >     Pascal Lamblin 
>>> > 
>>> > -- 
>>> > 
>>> > --- 
>>> > 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 theano-users...@googlegroups.com 
>>> > <mailto:theano-users+unsubscr...@googlegroups.com>. 
>>> > For more options, visit https://groups.google.com/d/optout. 
>>>
>>> -- 
>>> Pascal Lamblin 
>>>
>>
>> -- 
>>
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>>
>>
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