Difference between revisions of "Openacc"

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(Matrix Multiply)
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Revision as of 19:58, 15 March 2012


Matrix Multiply

TAU has support for the OpenACC directives available in PGI 12.3 and greater. Configure TAU:

./configure -c++=pgCC -cc=pgcc -fortran=pgi
make install
export TAU_MAKEFILE=<path to TAU>/x86_64/lib/Makefile.tau-pgi
export TAU_OPTIONS='-optVerbose -optShared'

Compile

make

Run:

./mm
module 

Use TAU analysis tool to view performance data:

pprof
paraprof

Openacc profile1.png

Openacc profile2.png

Openacc profile3.png

Openacc profile4.png

Openacc profile5.png