diff options
Diffstat (limited to 'doc/UsersGuide/ThornWriters.tex')
| -rw-r--r-- | doc/UsersGuide/ThornWriters.tex | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/doc/UsersGuide/ThornWriters.tex b/doc/UsersGuide/ThornWriters.tex index d833c189..1ab710e0 100644 --- a/doc/UsersGuide/ThornWriters.tex +++ b/doc/UsersGuide/ThornWriters.tex @@ -533,8 +533,8 @@ The keyword \texttt{SYNC} specifies groups of variables which should be synchronised (that is, their ghostzones should be exchanged between processors) on exit from the routine. Specifying synchronisation of grid variables in \texttt{schedule.ccl} is an alternative to calling the -function \texttt{CCTK\_SyncGroup()} (see the Reference Manual) from inside a -routine. Using the \texttt{SYNC} +functions \texttt{CCTK\_SyncGroup()} or \texttt{CCTK\_SyncGroupsI()} +(see the Reference Manual) from inside a routine. Using the \texttt{SYNC} keyword in the \texttt{schedule.ccl} is the preferred method, since it provides the Flesh with more information about the behaviour of your code. @@ -2235,7 +2235,8 @@ is a parallel unigrid driver. \item[\texttt{CCTK\_nProcs}] Returns the number of processors being used \item[\texttt{CCTK\_MyProc}] Returns the processor number (this starts at processor number zero) -\item[\texttt{CCTK\_SyncGroup}] Synchronises a group of variables by +\item[\texttt{CCTK\_SyncGroup, CCTK\_SyncGroupsI}] Synchronises either a single + group or a set of groups of grid arrays by exchanging the values held in each processor ghostzones with the physical values of their neighbours (see the Reference Manual) \item[\texttt{CCTK\_Barrier}] Waits for all processors to reach this point |