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.gat...@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 <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> >> > >> > >> > <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 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>> >> > > <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> >> > <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:theano-users+unsubscr...@googlegroups.com <>>. >> > 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 theano-users+unsubscr...@googlegroups.com > <mailto:theano-users+unsubscr...@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. 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