Added a note about OpenACC.

Former-commit-id: d986291738181b6b521f37b7eed48b7a9609e606
UO-OACISS · Apr 30, 2015 · 4b121f9 · 4b121f9
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commit 4b121f9
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diff --git a/README.gpu b/README.gpu
@@ -71,3 +71,13 @@ then run with tau_exec:
 
 tau_exec (-cuda|-cupti) ./a.out.
 
+
+== PGI OpenACC ==
+With PGI compilers, please use:
+./configure -c++=pgCC -cc=pgcc -fortran=pgi ...
+and OpenACC support will be configured in automatically if the PGI compiler has an 
+accelerator license and supports OpenACC. You may then use:
+
+% tau_exec -T openacc ./a.out
+
+to instrument the application using the OpenACC profiling API.