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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
<html>
<head>
<!-- BEGIN META TAG INFO -->
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="home" href="http://developer.apple.com/">
<link rel="find" href="http://developer.apple.com/search/">
<link rel="stylesheet" type="text/css" href="../../documentation/css/adcstyle.css" title="fonts">
<script language="JavaScript" src="../../documentation/js/adc.js" type="text/javascript"></script>
<!-- END META TAG INFO -->
<!-- BEGIN TITLE -->
<title>Test64BitMultiprec - /ReadMe.txt</title>
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<script language="JavaScript">
function JumpToNewPage() {
window.location=document.scpopupmenu.gotop.value;
return true;
}
</script>
</head>
<!-- BEGIN BODY OPEN -->
<body>
<!--END BODY OPEN -->
<!-- START CENTER OPEN -->
<center>
<!-- END CENTER OPEN -->
<!-- BEGIN LOGO AND SEARCH -->
<!--#include virtual="/includes/adcnavbar"-->
<!-- END LOGO AND SEARCH -->
<!-- START BREADCRUMB -->
<div id="breadcrumb">
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr>
<td scope="row"><img width="340" height="10" src="images/1dot.gif" alt=""></td>
<td><img width="340" height="10" src="images/1dot.gif" alt=""></td>
</tr>
<tr valign="middle">
<td align="left" colspan="2">
<a href="http://developer.apple.com/">ADC Home</a> > <a href="../../referencelibrary/index.html">Reference Library</a> > <a href="../../samplecode/index.html">Sample Code</a> > <a href="../../samplecode/Performance/index.html">Performance</a> > <a href="../../samplecode/Performance/idxHighPerformanceComputing-date.html">High Performance Computing</a> > <A HREF="javascript:location.replace('index.html');">Test64BitMultiprec</A> >
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<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr align="left" valign="top">
<td><h1><div id="pagehead">Test64BitMultiprec</div></h1></td>
</tr>
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<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr align="left" valign="top">
<td id="scdetails">
<h2>/ReadMe.txt</h2>
<form name="scpopupmenu" onSubmit="return false;" method=post>
<p><strong>View Source Code:</strong>
<select name="gotop" onChange="JumpToNewPage();" style="width:340px"><option selected value="ingnore">Select File</option>
<option value="listing1.html">/addmul3asm.S</option>
<option value="listing2.html">/addmul4asm.S</option>
<option value="listing3.html">/main.c</option>
<option value="listing4.html">/modmul64asm_2.S</option>
<option value="listing5.html">/ReadMe.txt</option></select>
</p>
</form>
<p><strong><a href="Test64BitMultiprec.zip">Download Sample</a></strong> (“Test64BitMultiprec.zip”, 155.3K)<BR>
<strong><a href="Test64BitMultiprec.dmg">Download Sample</a></strong> (“Test64BitMultiprec.dmg”, 211.8K)</p>
<!--
<p><strong><a href="#">Download Sample</a></strong> (“filename.sit”, 500K)</p>
-->
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<td scope="row"><img width="680" height="10" src="images/1dot.gif" alt=""><br>
<img height="1" width="680" src="images/1dot_919699.gif" alt=""><br>
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<tr>
<td scope="row">
<!--googleon: index -->
<pre class="sourcecodebox">The samples in this project are intended to accompany the paper
"Special applications of 64-bit arithetic: Acceleration on the Apple G5."
addmul3asm.S, addmul4asm.S are two different 64-bit PowerPC G5 implementations
of the operation A*Y+B, where A and B are arrays of 64-bit words and Y is a
64-bit integer. These routines are described in more detail in the paper.
addmulv2.c illustrates using vecLib as a straightforward alternative to the
64-bit optimized multi-precision multiplication routine described in the paper.
modmul64asm_2.S is a 64-bit routine to compute A*B (mod C) where A, B, and C
are 64-bit quantities and a reciprocal for C has been precomputed.
</pre>
<!--googleoff: index -->
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<td align="center"><br/>
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<th>Did this document help you?</th>
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<div style="margin-bottom: 8px"><a href="http://developer.apple.com/feedback/?v=1&url=/samplecode/Test64BitMultiprec/listing5.html%3Fid%3DDTS10003947-1.0&media=dvd" target=_new>Yes</a>: Tell us what works for you.</div>
<div style="margin-bottom: 8px"><a href="http://developer.apple.com/feedback/?v=2&url=/samplecode/Test64BitMultiprec/listing5.html%3Fid%3DDTS10003947-1.0&media=dvd" target=_new>It’s good, but:</a> Report typos, inaccuracies, and so forth.</div>
<div><a href="http://developer.apple.com/feedback/?v=3&url=/samplecode/Test64BitMultiprec/listing5.html%3Fid%3DDTS10003947-1.0&media=dvd" target=_new>It wasn’t helpful</a>: Tell us what would have helped.</div>
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