Hi,

Yes, that's what it looks like.  Perhaps I might better ask:
Why is this failing to run on the GPU and how do I make it run on the GPU?

On Sat, Sep 17, 2016 at 6:52 PM,  <w.f.wilson...@gmail.com> wrote:
> Hi,
>
> It seems the code has failed to run on the GPU so it resorts to CPU instead.
>
>
> On Sunday, 18 September 2016 11:32:04 UTC+12, John Novak wrote:
>>
>> Hi.
>>
>> I have a freshly unboxed Jetson TX1, successfully flashed this afternoon
>> with JetPack 2.3.  Python 2.7.12 and Theano 0.9.0.dev are also freshly
>> installed, using the TX1 install instructions from here:
>> http://deeplearning.net/software/theano/install_ubuntu.html
>> I've been trying to get the GPU test script working from here, with no
>> success:
>> http://deeplearning.net/software/theano_versions/dev/tutorial/using_gpu.html
>>
>> The command that works best is:
>>
>> THEANO_FLAGS=device=gpu python gpu_tutorial1.py
>>
>> The result, however, is a lengthy series of warnings and ultimately an
>> execution on the CPU rather than the GPU:
>>
>> Using gpu device 0: NVIDIA Tegra X1 (CNMeM is disabled, cuDNN 5105)
>> WARNING (theano.gof.cmodule): OPTIMIZATION WARNING: Theano was not able to
>> find the default g++ parameters. This is needed to tune the compilation to
>> your specific CPU. This can slow down the execution of Theano functions.
>> Please submit the following lines to Theano's mailing list so that we can
>> fix this problem:
>>  ['# 1 "<stdin>"\n', '# 1 "<built-in>"\n', '# 1 "<command-line>"\n', '# 1
>> "/usr/include/stdc-predef.h" 1 3 4\n', '# 1 "<command-line>" 2\n', '# 1
>> "<stdin>"\n', 'Using built-in specs.\n', 'COLLECT_GCC=/usr/bin/g++\n',
>> 'Target: aarch64-linux-gnu\n', "Configured with: ../src/configure -v
>> --with-pkgversion='Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.2'
>> --with-bugurl=file:///usr/share/doc/gcc-5/README.Bugs
>> --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr
>> --program-suffix=-5 --enable-shared --enable-linker-build-id
>> --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix
>> --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu
>> --enable-libstdcxx-debug --enable-libstdcxx-time=yes
>> --with-default-libstdcxx-abi=new --enable-gnu-unique-object
>> --disable-libquadmath --enable-plugin --with-system-zlib
>> --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo
>> --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-5-arm64/jre --enable-java-home
>> --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-5-arm64
>> --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-5-arm64
>> --with-arch-directory=aarch64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar
>> --enable-multiarch --enable-fix-cortex-a53-843419 --disable-werror
>> --enable-checking=release --build=aarch64-linux-gnu --host=aarch64-linux-gnu
>> --target=aarch64-linux-gnu\n", 'Thread model: posix\n', 'gcc version 5.4.0
>> 20160609 (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.2) \n',
>> "COLLECT_GCC_OPTIONS='-E' '-v' '-shared-libgcc' '-mlittle-endian'
>> '-mabi=lp64'\n", ' /usr/lib/gcc/aarch64-linux-gnu/5/cc1 -E -quiet -v
>> -imultiarch aarch64-linux-gnu - -mlittle-endian -mabi=lp64
>> -fstack-protector-strong -Wformat -Wformat-security\n', 'ignoring
>> nonexistent directory "/usr/local/include/aarch64-linux-gnu"\n', 'ignoring
>> nonexistent directory
>> "/usr/lib/gcc/aarch64-linux-gnu/5/../../../../aarch64-linux-gnu/include"\n',
>> '#include "..." search starts here:\n', '#include <...> search starts
>> here:\n', ' /usr/lib/gcc/aarch64-linux-gnu/5/include\n', '
>> /usr/local/include\n', ' /usr/lib/gcc/aarch64-linux-gnu/5/include-fixed\n',
>> ' /usr/include/aarch64-linux-gnu\n', ' /usr/include\n', 'End of search
>> list.\n',
>> 'COMPILER_PATH=/usr/lib/gcc/aarch64-linux-gnu/5/:/usr/lib/gcc/aarch64-linux-gnu/5/:/usr/lib/gcc/aarch64-linux-gnu/:/usr/lib/gcc/aarch64-linux-gnu/5/:/usr/lib/gcc/aarch64-linux-gnu/\n',
>> 'LIBRARY_PATH=/usr/lib/gcc/aarch64-linux-gnu/5/:/usr/lib/gcc/aarch64-linux-gnu/5/../../../aarch64-linux-gnu/:/usr/lib/gcc/aarch64-linux-gnu/5/../../../../lib/:/lib/aarch64-linux-gnu/:/lib/../lib/:/usr/lib/aarch64-linux-gnu/:/usr/lib/../lib/:/usr/lib/gcc/aarch64-linux-gnu/5/../../../:/lib/:/usr/lib/\n',
>> "COLLECT_GCC_OPTIONS='-E' '-v' '-shared-libgcc' '-mlittle-endian'
>> '-mabi=lp64'\n"]
>> [Elemwise{exp,no_inplace}(<TensorType(float64, vector)>)]
>> Looping 1000 times took 12.813382 seconds
>> Result is [ 1.23178032  1.61879341  1.52278065 ...,  2.20771815
>> 2.29967753
>>   1.62323285]
>> Used the cpu
>>
>> A better formatted version of this question can be found at Stack
>> Overflow:
>> http://stackoverflow.com/questions/39552515/theano-gpu-usage-on-a-new-jetson-tx1
>>
>> Does anyone know why the TX1 is stubbornly executing this on the GPU
>> rather than the CPU?
>> And is this the appropriate mailing list to report the warning as
>> directed?  If not, can someone kindly tell me what the right list is?
>
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-- 
John S. Novak, III
john.no...@gmail.com

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