<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><meta charset="utf-8"><span class="Apple-style-span" style="font-family: Times; "><table border="0" cellpadding="0" cellspacing="0"><tbody><tr><td class="c" rowspan="2" valign="top" style="background-image: url(http://lkml.org/images/bg2.gif); color: rgb(0, 0, 0); padding-top: 1em; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "><br class="Apple-interchange-newline"><table style="position: static; z-index: auto; "><tbody><tr><td colspan="2"><div align="left" style="font-size: 19px; font-weight: bold; "><span class="Apple-style-span" style="text-decoration: underline;"><br></span></div></td></tr><tr><td class="lp" style="font-family: courier, monospace; font-weight: bold; padding-top: 0em; padding-right: 1em; padding-bottom: 0em; padding-left: 0em; margin-top: 0em; margin-right: 0em; margin-bottom: 0em; margin-left: 0em; ">Date</td><td class="rp" style="font-family: courier, monospace; font-weight: normal; ">Thu, 01 Apr 2010 12:30:41 +0100</td></tr><tr><td class="lp" style="font-family: courier, monospace; font-weight: bold; padding-top: 0em; padding-right: 1em; padding-bottom: 0em; padding-left: 0em; margin-top: 0em; margin-right: 0em; margin-bottom: 0em; margin-left: 0em; ">From</td><td class="rp" style="font-family: courier, monospace; font-weight: normal; ">Paulo Marques <></td></tr><tr><td class="lp" style="font-family: courier, monospace; font-weight: bold; padding-top: 0em; padding-right: 1em; padding-bottom: 0em; padding-left: 0em; margin-top: 0em; margin-right: 0em; margin-bottom: 0em; margin-left: 0em; ">Subject</td><td class="rp" style="font-family: courier, monospace; font-weight: normal; ">Performance disparity, problem found</td></tr></tbody></table><pre><br>Hi, all<br><br>I have two machines that show very different performance numbers.<br><br>After digging a little I found out that the first machine has, in<br>/proc/cpuinfo:<br><br>model name : Intel(R) Celeron(R) M processor 1.00GHz<br><br>while the other has:<br><br>model name : Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz<br><br>and that seems to be the main difference.<br><br>Now the problem is that /proc/cpuinfo is read only. Would it be possible<br>to make /proc/cpuinfo writable so that I could do:<br><br>echo -n "model name : Intel(R) Core(TM)2 Quad CPU Q6600 @<br>2.40GHz" > /proc/cpuinfo<br>in the first machine and get a performance similar to the second machine?<br><br>-- <br>Paulo Marques - <a href="http://www.grupopie.com">www.grupopie.com</a><br><br>"To know recursion, you must first know recursion."<br></pre></td></tr></tbody></table></span><div><br></div></body></html>