\Header{cpus}{Performance of Computer CPUs}
\keyword{datasets}{cpus}
\begin{Description}\relax
A relative performance measure and characteristics of 209 CPUs.
\end{Description}
\begin{Usage}
\begin{verbatim}
data(cpus)
\end{verbatim}
\end{Usage}
\begin{Format}\relax
The components are:


\describe{
\item[\code{name}] Manufacturer and model

\item[\code{syct}] cycle time in nanoseconds

\item[\code{mmin}] minimum main memory in kilobytes

\item[\code{mmax}] maximum main memory in kilobytes

\item[\code{cach}] cache size in kilobytes

\item[\code{chmin}] minimum number of channels

\item[\code{chmax}] maximum number of channels

\item[\code{perf}] published performance on a benchmark mix relative to an IBM 370/158-3

\item[\code{estperf}] estimated performance (by Ein-Dor \& Feldmesser)
}
\end{Format}
\begin{Source}\relax
P. Ein-Dor \& J. Feldmesser (1987)
Attributes of the performance of central processing units: a relative
performance prediction model.
\emph{Comm. ACM.}
\bold{30}, 308--317.
\end{Source}
\begin{References}\relax
Venables, W. N. and Ripley, B. D. (2002)
\emph{Modern Applied Statistics with S.} Fourth edition.  Springer.
\end{References}

