/[gcl]/gcl/pargcl/doc/MANUAL
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revision 1.5 by gene, Sun Nov 6 09:35:25 2005 UTC revision 1.6 by gene, Mon Nov 14 15:50:01 2005 UTC
# Line 112  implies significant overhead for very la Line 112  implies significant overhead for very la
112  Also, a timer will kill any process  Also, a timer will kill any process
113  that has not received a message for some time (60 minutes by default).  that has not received a message for some time (60 minutes by default).
114    
115    Finally, there is an obscure interaction of MPINU and ANSI GCL and
116    the GNU libpthread library.  (Interestingly, the debugging-enabled version,
117    /usr/lib/debug/libpthread.so.0, seems to work fine under Debian.)  For this
118    reason, if you configure GCL with --enable-ansi or ParGCL
119    with --with-mpi="...ansi_gcl", then MPINU is built with "-DHAVE_PTHREAD=0".
120    The result is that under ANSI GCL, if two processes simultaneously
121    end very large messages to each other, they can deadlock.  This should not
122    affect typical programs.
123    
124  Following is a summary of the master-slave layer, slave-listener layer,  Following is a summary of the master-slave layer, slave-listener layer,
125  and MPI layer.  and MPI layer.
126    

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