TST: use POWER8 OpenBLAS for CI

.travis.yml

@@ -69,6 +69,8 @@ matrix:
       env:
        # for matrix annotation only
        - PPC64_LE=1
+       # use POWER8 OpenBLAS build, not system ATLAS
+       - ATLAS=None
 
 before_install:
   - ./tools/travis-before-install.sh

tools/travis-before-install.sh

@@ -25,6 +25,17 @@ if [ -n "$INSTALL_PICKLE5" ]; then
   pip install pickle5
 fi
 
+if [ -n "$PPC64_LE" ]; then
+  # build script for POWER8 OpenBLAS available here:
+  # https://github.com/tylerjereddy/openblas-static-gcc/blob/master/power8
+  # built on GCC compile farm machine named gcc112
+  # manually uploaded tarball to an unshared Dropbox location
+  wget -O openblas-power8.tar.gz https://www.dropbox.com/s/zcwhk7c2zptwy0s/openblas-v0.3.5-ppc64le-power8.tar.gz?dl=0
+  tar zxvf openblas-power8.tar.gz
+  sudo cp -r ./64/lib/* /usr/lib
+  sudo cp ./64/include/* /usr/include
+fi
+
 pip install --upgrade pip setuptools
 pip install nose pytz cython pytest
 if [ -n "$USE_ASV" ]; then pip install asv; fi