For a short term fix, you can reinstall anaconda in a path that doesn’t have spaces. It doesn’t have to be at the root though.
For a longer-term fix you can try to report the issue about compilation to continuum and see if they’ll fix it. > Le 16 avr. 2018 à 15:26, Qinpeng Wang <[email protected]> a écrit : > > Hi, Arnaud, > > I think you have located the issue, here is what I did: I activated the > virtual env in cmd, then ran "g++ test.c -o test", here is the error message: > > 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 > > What do you suggest that I do now? Do I have to remove Anaconda and install > at C root? > > Thanks! > > On Monday, April 16, 2018 at 12:46:02 PM UTC-5, Arnaud Bergeron wrote: > Create a new file and call it whatever (like test.c), then try to compile it. > This is just to check if the compiler works outside of Theano. > > I’ve added sample content so that the file has valid C code. > >> Le 11 avr. 2018 à 17:07, Qinpeng Wang <wqp.g...@ <>gmail.com >> <http://gmail.com/>> a écrit : >> >> 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 >>> <http://gmail.com/>> 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 <[email protected] <>> 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> >>>> > >>>> > >>>> > <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> >>>> > <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 [email protected] <> >>>> > <javascript:> >>>> > > > <mailto:[email protected] <> >>>> > <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>> >>>> > > <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 [email protected] <> <javascript:> >>>> > > <mailto:[email protected] <> >>>> > <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 >>>> > <http://googlegroups.com/> >>>> > <mailto:[email protected] <>>. >>>> > 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 <http://googlegroups.com/>. >>>> For more options, visit https://groups.google.com/d/optout >>>> <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 >>> <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 >> <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] > <mailto:[email protected]>. > For more options, visit https://groups.google.com/d/optout > <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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