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90 lines
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<H2><A NAME="SECTION00087000000000000000">
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psb_barrier -- Sinchronization point parallel
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environment</A>
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<P>
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<PRE>
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call psb_barrier(icontxt)
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</PRE>
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<P>
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This subroutine acts as an explicit synchronization point for the PSBLAS
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parallel virtual machine.
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<DL>
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<DT><STRONG>Type:</STRONG></DT>
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<DD>Synchronous.
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</DD>
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<DT><STRONG><B>On Entry </B></STRONG></DT>
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<DD>
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</DD>
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<DT><STRONG>icontxt</STRONG></DT>
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<DD>the communication context identifying the virtual
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parallel machine.
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<BR>
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Scope: <B>global</B>.
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Type: <B>required</B>.
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Intent: <B>in</B>.
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Specified as: an integer variable.
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