<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD><TITLE>3.3 Changes in the implementation that affect usability and performance</TITLE><LINK href="ozdoc.css" rel="stylesheet" type="text/css"></HEAD><BODY><TABLE align="center" border="0" cellpadding="6" cellspacing="6" class="nav"><TR bgcolor="#DDDDDD"><TD><A href="node12.html#section.m131.changes"><< Prev</A></TD><TD><A href="node10.html">- Up -</A></TD><TD><A href="node14.html#section.m131.internal">Next >></A></TD></TR></TABLE><DIV id="section.m131.fixes"><H2><A name="section.m131.fixes">3.3 Changes in the implementation that affect usability and performance</A></H2><DIV id="sec.m131.compiler"><H3><A name="sec.m131.compiler">3.3.1 Compiler</A></H3><P> </P><UL><LI><P>Register allocation (bugs 1291, 1070, 1329) </P></LI><LI><P>Improved static analysis (bugs 87, 299, 654, 655) </P></LI><LI><P>Code generation (bugs 464, 867, 1322): in particular, this fixes the occasional problems with complex andthen/orelse expressions </P></LI></UL><P> </P></DIV><DIV id="sec.m131.unification"><H3><A name="sec.m131.unification">3.3.2 Unification</A></H3><P>Failure in the unification of OFS (open feature structures) did not always untrail properly (bug 1314) </P></DIV><DIV id="sec.m131.distribution"><H3><A name="sec.m131.distribution">3.3.3 Distribution Subsystem</A></H3><P>Distributed resources (distributed entities without a consistency protocol represented by a special resource token on remote sites) handled inproperly during local garbage collection (bug 1304) </P></DIV></DIV><TABLE align="center" border="0" cellpadding="6" cellspacing="6" class="nav"><TR bgcolor="#DDDDDD"><TD><A href="node12.html#section.m131.changes"><< Prev</A></TD><TD><A href="node10.html">- Up -</A></TD><TD><A href="node14.html#section.m131.internal">Next >></A></TD></TR></TABLE><HR><ADDRESS><SPAN class="version">Version 1.4.0 (20090610)</SPAN></ADDRESS></BODY></HTML>
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