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<H1><A NAME="SECTION04130000000000000000">Software Components</A></H1>
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<A NAME="secScaLAPACKSoftwareComponent"> </A>
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Figure <A HREF="node11.html#fighierarchy">1.1</A> describes the ScaLAPACK software hierarchy<A NAME="393"> </A>.
The components below the line, labeled <B>Local</B><A NAME="395"> </A>, are called on a
single processor, with arguments stored on single processors only.
The components above the line, labeled <B>Global</B><A NAME="397"> </A>, are synchronous
parallel
routines, whose arguments include matrices and vectors distributed
across multiple processors.
We describe each component in turn.
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<P><A NAME="400"> </A><A NAME="fighierarchy"> </A><IMG WIDTH=341 HEIGHT=329 ALIGN=BOTTOM ALT="figure398" SRC="img36.gif"><BR>
<STRONG>Figure 1.1:</STRONG> ScaLAPACK software hierarchy<BR>
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<UL><A NAME="CHILD_LINKS"> </A>
<LI> <A NAME="tex2html2255" HREF="node12.html#SECTION04131000000000000000">LAPACK</A>
<LI> <A NAME="tex2html2256" HREF="node13.html#SECTION04132000000000000000">BLAS</A>
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<LI> <A NAME="tex2html2258" HREF="node15.html#SECTION04134000000000000000">BLACS</A>
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<P><ADDRESS>
<I>Susan Blackford <BR>
Tue May 13 09:21:01 EDT 1997</I>
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