<div class="gmail_quote">On Thu, Dec 22, 2011 at 22:18, Dave Nystrom <span dir="ltr"><<a href="mailto:dnystrom1@comcast.net">dnystrom1@comcast.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div id=":235">--with-gnu-compilers=0 --with-vendor-compilers=pgi<br></div></blockquote><div><br></div><div>--with-vendor-compilers=portland</div><div><br></div><div>just instructs BuildSystem to look for pgcc. You might be better off specifying the path of the specific compiler you want to use:</div>
<div><br></div><div>CFLAGS=/path/to/pgcc</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div id=":235">
<br>
I want to try building PETSc with the PGI compilers so I can use vendor blas<br>
with the external direct solver packages. </div></blockquote><div><br></div><div>This should definitely not be necessary. You should be able to link vendor BLAS with any compiler.</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div id=":235"> I'm also interested in seeing what<br>
difference PETSc in general would see in performance for PGI versus GNU.<br></div></blockquote><div><br></div><div>I have always found PGI to be a waste of time.</div></div>