ithm</a> is new as of
release 2.0.0 and may require further optimization to improve speed
performance. Testing discovered that performing an inline data split (as
opposed to physically splitting the data into many small input sets and
processing each separately, as described above) can gain substantial
performance on a single machine with many cores available. Two options
to the <code>exec/gcdriver.R</code> script take advantage of this
performance improvement.</p>
<p>The following example may be used on a 