Getting Matlab to run on a newer Athlon 64 (X2) CPU


	Getting Matlab to run on a newer Athlon 64 (X2) CPU

chheplo

2-18-2008 8:32 PM

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chheplo says:

make matlab working on amd 64x2

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/d40c10cb-5dec-424d-813f-f7ee01ef687b/6821F741-2E57-4BAE-9AAC-64BBBDA07512/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://unitstep.net/blog/2006/08/21/getting-matlab-to-run-on-a-newer-athlon-64-x2-cpu/" href="http://unitstep.net/blog/2006/08/21/getting-matlab-to-run-on-a-newer-athlon-64-x2-cpu/" style="font-size: 11px;">unitstep.net</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://unitstep.net/blog/2006/08/21/getting-matlab-to-run-on-a-newer-athlon-64-x2-cpu/"><DIV id="content-title">
      <H1 id="page-title">Getting Matlab to run on a newer Athlon 64 (X2) CPU</H1>
    </DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://unitstep.net/blog/2006/08/21/getting-matlab-to-run-on-a-newer-athlon-64-x2-cpu/"><P>The issue (Matlab closing right after start-up) stems from Matlab (at least this version, the newer versions might not be affected) not “recognizing” the processor string for newer AMD Athlon 64-based processors; in my case, I had an Athlon 64 X2 3800+.  Matlab relies on different Basic Linear Algebra Subprograms (or <ABBR title="Basic Linear Algebra Subprograms">BLAS</ABBR>) routines for different types of CPUs, and these are stored in different <ABBR title="Dynamic Link Library">DLL</ABBR> files.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://unitstep.net/blog/2006/08/21/getting-matlab-to-run-on-a-newer-athlon-64-x2-cpu/"><P>The <ABBR title="Basic Linear Algebra Subprograms">BLAS</ABBR> file responsible for telling Matlab which <ABBR title="Dynamic Link Library">DLL</ABBR> file to use for what type of CPU is located at: </P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://unitstep.net/blog/2006/08/21/getting-matlab-to-run-on-a-newer-athlon-64-x2-cpu/"><P><CODE>%MATLAB7%\bin\win32\blas.spec</CODE>
<SPAN class="note">(where <CODE>%MATLAB7%</CODE> is the path to your Matlab installation)</SPAN></P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://unitstep.net/blog/2006/08/21/getting-matlab-to-run-on-a-newer-athlon-64-x2-cpu/"><P>To fix the problem, open up the file in a text-editor, and add the following two lines to the bottom:</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://unitstep.net/blog/2006/08/21/getting-matlab-to-run-on-a-newer-athlon-64-x2-cpu/"><CODE>AuthenticAMD Family 15 Model 12 atlas_Athlon.dll # Athlon 64 (Newcastle)
AuthenticAMD Family 15 Model * atlas_Athlon.dll # AMD64</CODE></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/6821F741-2E57-4BAE-9AAC-64BBBDA07512/blog/" title="blog or email this clip"><img src="http://content9.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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