CLOG_csync

synchronize clocks for adjusting times in merge

Synopsis


#include <stdio.h>
#include "mpe.h"
void CLOG_csync( root, diffs )
int root;
double diffs[];

This version is sequential and non-scalable. The root process serially synchronizes with each slave, using the first algorithm in Gropp, "Scalable clock synchronization on distributed processors without a common clock". The array is calculated on the root but broadcast and returned on all processes.

Inout Parameters

root - process to serve as master

timediffs - array of doubles to be filled in

Location:clog_merge.c