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.
| root | process to serve as master
| |
| timediffs | array of doubles to be filled in
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Location:clog_merge.c