<div dir="ltr"><br><br><div class="gmail_quote">On Thu, Jul 17, 2008 at 5:58 AM, Jeff Muizelaar <<a href="mailto:jeff@infidigm.net">jeff@infidigm.net</a>> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
I used the attached program with the following results:<br>
<br>
==> new <==<br>
mean: 119198.400000 stddev: 686.753415<br>
<br>
==> new-noinline <==<br>
mean: 167497.650000 stddev: 1189.305780<br>
<br>
==> old <==<br>
mean: 245697.300000 stddev: 1011.173529<br>
<font color="#888888"><br>
</font></blockquote></div>Hi Jeff,<br><br>I've tested your patch with gcc 4.1.2 on Pentium IV 3.0( Cent OS 5.0),<br>and I didn't get expected speedup.<br><br>Why?<br><br>pixman:<br>cd /home/vuhung/usr/src/pixman-0.11.2<br>
./configure --prefix=$HOME<br>make; make install<br><br>gcc `pkg-config --libs --cflags pixman-1` pixman-fbOver-bench.c<br>export LD_LIBRARY_PATH=~/lib<br>./a.out<br><br>old: mean: 211452.750000 stddev: 3829.184988<br>new: mean: 209254.100000 stddev: 1209.011815<br>
<br clear="all"><br>-- <br>Best Regards,<br>Nguyen Hung Vu ( Nguyễn Vũ Hưng )<br><a href="mailto:vuhung16plus%7Bremove%7D@gmail.dot.com">vuhung16plus{remove}@gmail.dot.com</a> , YIM: vuhung16 , Skype: vuhung16dg<br>Japan through an eye of a gaijin:<br>
<a href="http://www.flickr.com/photos/vuhung/tags/fav/">http://www.flickr.com/photos/vuhung/tags/fav/</a>
</div>