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Date: Tue, 14 Jan 1997 21:46:35 GMT
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<HTML><HEAD><TITLE>MPI-FM: MPI for Fast Messages</TITLE></HEAD><BODY><H1>MPI-FM: MPI for Fast Messages</H1><H2>Description</H2><P>MPI-FM is a high-performance implementation of MPI based on a port of<!WA0><A HREF="http://www.mcs.anl.gov/home/lusk/mpich/index.html">MPICH</A>to <!WA1><A HREF="http://www-csag.cs.uiuc.edu/projects/comm/fm.html">Fast Messages</A> on the Myrinet.MPI-FM a latency of 25 us and a peak bandwidth of 17.5 MB/s, lowerlatency than many commercial MPP's, and respectable bandwidth. MPI-FMoutperforms the SP2 version of MPICH for messages smaller than 1KB as shown below.</P><P>The performance of MPI-FM shows that MPP-like communication latencyand bandwidth can be achieved with a network of workstations <EM>atthe user level</EM> with carefully tuned messaging layers. Our thanksto the MPICH creators who produced an MPI implementation which is bothefficient and portable.</P><H2>Performance</H2><P>The graphs below compare MPI-FM on twoSPARCstation 20/71s with SuperCache to MPICH and MPI-F on the IBM SP2.</P><!WA2><A HREF="http://www-csag.cs.uiuc.edu/projects/comm/mpich-fm-latency.gif"><!WA3><IMG SRC="http://www-csag.cs.uiuc.edu/projects/comm/mpich-fm-latency_small.gif"></A><!WA4><A HREF="http://www-csag.cs.uiuc.edu/projects/comm/mpich-fm-bandwidth.gif"><!WA5><IMG SRC="http://www-csag.cs.uiuc.edu/projects/comm/mpich-fm-bandwidth_small.gif"></A> <H2>Documentation</H2><UL><LI> <!WA6><A HREF="http://www-csag.cs.uiuc.edu/projects/comm/README.mpifm2.0">README</A> file for MPI-FM 2.0</UL><H2>Software distributions</H2><UL><LI> <!WA7><A HREF="http://www-csag.cs.uiuc.edu/cgi-bin/registration?title=MPI-FM,+version+2.0+%28SunOS%29&download=/projects/comm/mpifm-2.0-sunos.tar.gz&mailto=fast-messages@red-herring.cs.uiuc.edu">MPI-FM, version 2.0 for SunOS</A><LI> <!WA8><A HREF="http://www-csag.cs.uiuc.edu/cgi-bin/registration?title=MPI-FM,+version+2.0+%28Solaris%29&download=/projects/comm/mpifm-2.0-solaris.tar.gz&mailto=fast-messages@red-herring.cs.uiuc.edu">MPI-FM, version 2.0 for Solaris</A></UL><HR><!WA9><A HREF="http://www-csag.cs.uiuc.edu/projects/comm//">Back to CSAG home page</A><P>Last updated 6 October 1996</P><ADDRESS><!WA10><A HREF="mailto:webmaster@www-csag.cs.uiuc.edu">webmaster</A></ADDRESS></BODY></HTML>?? 快捷鍵說明
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