=================================================================== RCS file: /home/cvs/OpenXM/doc/ascm2001p/homogeneous-network.tex,v retrieving revision 1.4 retrieving revision 1.6 diff -u -p -r1.4 -r1.6 --- OpenXM/doc/ascm2001p/homogeneous-network.tex 2001/06/20 02:50:16 1.4 +++ OpenXM/doc/ascm2001p/homogeneous-network.tex 2001/06/20 03:18:21 1.6 @@ -1,31 +1,24 @@ -% $OpenXM: OpenXM/doc/ascm2001p/homogeneous-network.tex,v 1.3 2001/06/20 02:39:25 noro Exp $ +% $OpenXM: OpenXM/doc/ascm2001p/homogeneous-network.tex,v 1.5 2001/06/20 03:08:05 takayama Exp $ \subsection{Distributed computation with homogeneous servers} \label{section:homog} One of the aims of OpenXM is a parallel speedup by a distributed computation -with homogeneous servers. As the current specification of OpenXM does -not include communication between servers, one cannot expect -the maximal parallel speedup. However it is possible to execute -several types of distributed computation as follows. +with homogeneous servers. +%As the current specification of OpenXM does +%not include communication between servers, one cannot expect +%the maximal parallel speedup. However it is possible to execute +%several types of distributed computation as follows. \subsubsection{Competitive distributed computation by various strategies} SINGULAR \cite{Singular} implements {\it MP} interface for distributed computation and a competitive Gr\"obner basis computation is illustrated as an example of distributed computation. -Such a distributed computation is also possible on OpenXM as follows: +Such a distributed computation is also possible on OpenXM. -The client creates two servers and it requests -Gr\"obner basis comutations by the Buchberger algorithm the $F_4$ algorithm -to the servers for the same input. -The client watches the streams by {\tt ox\_select()} -and the result which is returned first is taken. Then the remaining -server is reset. - \begin{verbatim} -extern Proc1,Proc2$ -Proc1 = -1$ Proc2 = -1$ +extern Proc1,Proc2$ Proc1 = -1$ Proc2 = -1$ /* G:set of polys; V:list of variables */ /* Mod: the Ground field GF(Mod); O:type of order */ def dgr(G,V,Mod,O) @@ -49,6 +42,12 @@ def dgr(G,V,Mod,O) return [Win,R]; } \end{verbatim} +In the above Asir program, the client creates two servers and it requests +Gr\"obner basis comutations by the Buchberger algorithm the $F_4$ algorithm +to the servers for the same input. +The client watches the streams by {\tt ox\_select()} +and the result which is returned first is taken. Then the remaining +server is reset. \subsubsection{Nesting of client-server communication}