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<html><head><title>R: Performance of Computer CPUs</title>
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<table width="100%" summary="page for cpus {MASS}"><tr><td>cpus {MASS}</td><td align="right">R Documentation</td></tr></table>
<h2>Performance of Computer CPUs</h2>
<h3>Description</h3>
<p>
A relative performance measure and characteristics of 209 CPUs.
</p>
<h3>Usage</h3>
<pre>
cpus
</pre>
<h3>Format</h3>
<p>
The components are:
</p>
<dl>
<dt><code>name</code></dt><dd>Manufacturer and model
</dd>
<dt><code>syct</code></dt><dd>cycle time in nanoseconds
</dd>
<dt><code>mmin</code></dt><dd>minimum main memory in kilobytes
</dd>
<dt><code>mmax</code></dt><dd>maximum main memory in kilobytes
</dd>
<dt><code>cach</code></dt><dd>cache size in kilobytes
</dd>
<dt><code>chmin</code></dt><dd>minimum number of channels
</dd>
<dt><code>chmax</code></dt><dd>maximum number of channels
</dd>
<dt><code>perf</code></dt><dd>published performance on a benchmark mix relative to an IBM 370/158-3
</dd>
<dt><code>estperf</code></dt><dd>estimated performance (by Ein-Dor & Feldmesser)
</dd></dl>
<h3>Source</h3>
<p>
P. Ein-Dor & J. Feldmesser (1987)
Attributes of the performance of central processing units: a relative
performance prediction model.
<EM>Comm. ACM.</EM>
<B>30</B>, 308–317.
</p>
<h3>References</h3>
<p>
Venables, W. N. and Ripley, B. D. (2002)
<EM>Modern Applied Statistics with S.</EM> Fourth edition. Springer.
</p>
<hr><div align="center">[Package <em>MASS</em> version 7.2-44 <a href="00Index.html">Index]</a></div>
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