Test CUDA builds (torch#104)

* add travis script

.travis.yml

@@ -5,7 +5,7 @@ compiler:
 cache:
   directories:
   - $HOME/OpenBlasInstall
-sudo: false
+sudo: required
 env:
   - TORCH_LUA_VERSION=LUAJIT21
   - TORCH_LUA_VERSION=LUA51
@@ -48,7 +48,9 @@ before_script:
 - export INSTALL_PREFIX=~/torch/install
 -  ls $HOME/OpenBlasInstall/lib || (cd /tmp/ && git clone https://github.com/xianyi/OpenBLAS.git -b master && cd OpenBLAS && (make NO_AFFINITY=1 -j$(getconf _NPROCESSORS_ONLN) 2>/dev/null >/dev/null) && make PREFIX=$HOME/OpenBlasInstall install)
 - git clone https://github.com/torch/distro.git ~/torch --recursive
+- sudo -E $ROOT_TRAVIS_DIR/travis_cuda_install.sh
 script: 
+- export PATH=/usr/local/cuda/bin/:$PATH
 - cd ~/torch && ./install.sh -b
 - source ~/torch/install/bin/torch-activate
 - ./test.sh

test.sh

@@ -42,13 +42,7 @@ then
     $LUA -laudio           -e "print('audio loaded succesfully')"
 fi
 
-# CUDA tests
-set +e 
-path_to_nvcc=$(which nvcc)
-path_to_nvidiasmi=$(which nvidia-smi)
-set -e 
-
-if [ -x "$path_to_nvcc" ] || [ -x "$path_to_nvidiasmi" ]
+if `$LUA -lcutorch -e ""`
 then
     $LUA -lcutorch -e "print('cutorch loaded succesfully')"
     $LUA -lcunn -e "print('cunn loaded succesfully')"

travis_cuda_install.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env sh
+
+if [[ `uname` == 'Linux' ]]; then
+  CUDA_VERSION=6-5
+  CUDA_URL=http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1204/x86_64/cuda-repo-ubuntu1204_6.5-14_amd64.deb
+  CUDA_FILE=/tmp/cuda_install.deb
+
+  curl $CUDA_URL -o $CUDA_FILE
+  dpkg -i $CUDA_FILE
+  rm -f $CUDA_FILE
+  apt-get -y update
+  apt-get -y install \
+    cuda-core-${CUDA_VERSION} \
+    cuda-cublas-${CUDA_VERSION} \
+    cuda-cublas-dev-${CUDA_VERSION} \
+    cuda-cudart-${CUDA_VERSION} \
+    cuda-cudart-dev-${CUDA_VERSION} \
+    cuda-curand-${CUDA_VERSION} \
+    cuda-curand-dev-${CUDA_VERSION} \
+    cuda-cusparse-${CUDA_VERSION} \
+    cuda-cusparse-dev-${CUDA_VERSION}
+  ln -s /usr/local/cuda-6.5 /usr/local/cuda
+fi