<div dir="ltr"><div class="gmail_default" style="font-family:'courier new',monospace">I've been interested in llvm for some time, and I finally got around to testing it with BRL-CAD. I first built llvm and clang from the current svn trunk, but that generated a crash report (llvm bug 16921 just submitted to <a href="http://llvm.org">llvm.org</a>).</div>
<div class="gmail_default" style="font-family:'courier new',monospace"><br></div><div class="gmail_default" style="font-family:'courier new',monospace">Then I installed clang+llvm (v. 3.3.0) on Debian amd64 from pre-built binaries and got a good BRL-CAD build (but I haven't done the regression tests yet) and thought the following compilation timings from my 4-cpu box might be interesting to some users:</div>
<div class="gmail_default" style="font-family:'courier new',monospace"><br></div><div class="gmail_default"><div class="gmail_default"><font face="courier new, monospace">Release build BRL-CAD trunk (r56887):</font></div>
<div class="gmail_default"><font face="courier new, monospace">====================================</font></div><div class="gmail_default"><br></div><div class="gmail_default"><font face="courier new, monospace">make -j4</font></div>
<div class="gmail_default"><font face="courier new, monospace">---------</font></div><div class="gmail_default"><span style="font-family:'courier new',monospace">clang 3.3.0</span>: <span style="font-family:'courier new',monospace">7 minutes 4 seconds </span></div>
<div class="gmail_default"><span style="font-family:'courier new',monospace">gcc 4.4.5 : </span><span style="font-family:'courier new',monospace">10 minutes 9 seconds </span></div><div class="gmail_default">
<font face="courier new, monospace"><br></font></div><div class="gmail_default"><font face="courier new, monospace"><br></font></div><div class="gmail_default"><font face="courier new, monospace">make -j1</font></div><div class="gmail_default">
<font face="courier new, monospace">--------</font></div><div class="gmail_default"><span style="font-family:'courier new',monospace">clang 3.3.0</span><span style="font-family:'courier new',monospace">: 27 minutes 5 seconds </span></div>
<div class="gmail_default"><span style="font-family:'courier new',monospace">gcc 4.4.5</span> <span style="font-family:'courier new',monospace">: 36 minutes 19 seconds </span></div><div style="font-family:'courier new',monospace">
<br></div><div style="font-family:'courier new',monospace">Best,</div><div style="font-family:'courier new',monospace"><br></div><div style="font-family:'courier new',monospace">-Tom</div></div></div>