<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:12pt"><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;">It it an Intel Compiler?<br><br>David <br><br><br><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;">----- Original Message ----<br>From: "Ingles, Raymond" <Raymond.Ingles@compuware.com><br>To: MDLUG's Main discussion list <mdlug@mdlug.org><br>Sent: Wednesday, October 31, 2007 2:57:36 PM<br>Subject: Re: [mdlug] [Fwd: Re: [opensuse] 64 bit vrs 32 bit advantagesspeedetc.]<br><br>
> From: David Lane<br><br>> Compilers produce executable binary op code. If I were the Intel
Compiler<br>> Project Manager I would not let ant one spend any time for AMD CPU's.
I<br>> would however have to find other employment If I were told to "Slow
Down"<br>> non-Intel CPU's.<br><br>> And Yes I will have to read the article.<br><br> Good, because that's what they did. Their compiler checks for
SSE/SSE2/SSE3<br>capability, and uses it... if its a "GenuineIntel" CPU. But if it's any
other<br>kind, it doesn't use SSE instructions... even if the CPU uses the
standard<br>method to inform applications of SSE capability. I.e. even though the
AMD<br>processors can run SSE code - and use Intel's own standard for
specifying<br>that capability - the Intel compilers refuse to use SSE instructions on
AMD<br>processors.<br><br> This is a deliberate incompatibility. At the webpage I referred to,
the author<br>has scripts that patch either generated executables or the compiler to
allow<br>SSE on AMD. The programs run just fine.<br><br> Sincerely,<br><br> Ray Ingles (313) 227-2317<br><br> In October 1965, the Selective Service announced that married men<br> without children could then be drafted. Exactly nine months and<br> two days later... [Dick Cheney's] first child was born.<br> <a href="http://dir.salon.com/politics/feature/2000/08/01/draft/index.html" target="_blank">http://dir.salon.com/politics/feature/2000/08/01/draft/index.html</a><br>The contents of this e-mail are intended for the named addressee only.
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