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95 lines
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<H3><A NAME="SECTION00041900000000000000">
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psb_cd_set_large_threshold -- Set threshold for
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index mapping switch</A>
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</H3>
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<P>
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<PRE>
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call psb_cd_set_large_threshold(ith)
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</PRE>
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<P>
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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>ith</STRONG></DT>
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<DD>the new threshold for communication descriptors.
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<BR>
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Scope: <B>global</B>.
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<BR>
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Type: <B>required</B>.
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<BR>
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Intent: <B>in</B>.
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<BR>
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Specified as: an integer value greater than zero.
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</DD>
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</DL>
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Note: the threshold value is only queried by the library at the time a
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call to <code>psb_cdall</code> is executed, therefore changing the threshold
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has no effect on communication descriptors that have already been
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initialized. Moreover the threshold must have the same value on all
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processes.
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