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<HTML><HEAD><TITLE>11.2 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="node33.html#section.m120.changes"><< Prev</A></TD><TD><A href="node32.html">- Up -</A></TD><TD><A href="node35.html#section.m120.internal">Next >></A></TD></TR></TABLE><DIV id="section.m120.fixes"><H2><A name="section.m120.fixes">11.2 Changes in the implementation that affect usability and performance</A></H2><H3><A name="label35">11.2.1 Bugs</A></H3><P>Bug fixes, including, but not limited to: </P><UL><LI><P>the core (centralized) system </P></LI><LI><P>distribution subsystem </P></LI><LI><P>constraint solving facilities </P></LI><LI><P>Oz debugger (ozcar) </P></LI><LI><P>the Windows port </P></LI><LI><P>various memory leaks </P></LI></UL><P> All in all, a lot of them. Really a lot.. The system is used now for a series of our projects, as well as for projects outside the Mozart consortium, and also for teaching at all our three sites. Have also a look at http://www.mozart-oz.org/cgi-bin/oz-bugs/FIXED </P><H3><A name="label36">11.2.2 2GB of Live Data</A></H3><P>Oz programs can reference now up to 2GB of live data on a computer with the 32bit address space, compared to .5GB for all the previous releases. </P><H3><A name="label37">11.2.3 New Supported Platforms</A></H3><P>New supported platforms - linux ppc & pentium 4. </P><H3><A name="label38">11.2.4 Improved Distribution Subsystem</A></H3><P>The distribution subsystem has been improved, in particular, as the traffic between Mozart sites increases. In extreme cases the win is up to orders of magnitude. </P><H3><A name="label39">11.2.5 No Fast Inter-Site Communication</A></H3><P>Unfortunately, the inter-site communication over shared memory (property <CODE><SPAN class="string">'distribution.virtualsites'</SPAN></CODE>, see also <A href="../system/node48.html#chapter.remote">Chapter 13 of ``System Modules''</A> is currently inoperable. We are working on bringing it back in the next release. This is caused by extensive changes in the implementation of the distribution subsystem, as outlined in <A href="node35.html#section.m120.internal">Section 11.3</A>. </P></DIV><TABLE align="center" border="0" cellpadding="6" cellspacing="6" class="nav"><TR bgcolor="#DDDDDD"><TD><A href="node33.html#section.m120.changes"><< Prev</A></TD><TD><A href="node32.html">- Up -</A></TD><TD><A href="node35.html#section.m120.internal">Next >></A></TD></TR></TABLE><HR><ADDRESS><SPAN class="version">Version 1.4.0 (20110908185330)</SPAN></ADDRESS></BODY></HTML>
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