/[escript]/trunk/doc/user/execute.tex
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revision 2351 by gross, Tue Mar 31 08:26:05 2009 UTC revision 2352 by jfenwick, Wed Apr 1 01:15:15 2009 UTC
# Line 95  hosts defined in \var{hostfile} must be Line 95  hosts defined in \var{hostfile} must be
95    
96   \item[\programopt{-e}] shows additional environment variables and commands used during \program{escript} execution. This option is useful if users wish to excute scripts without using the \program{escript} command.   \item[\programopt{-e}] shows additional environment variables and commands used during \program{escript} execution. This option is useful if users wish to excute scripts without using the \program{escript} command.
97    
98   \item[\programopt{-o}] switches on the redirection of output of processors with \MPI rank greater than zero to the files \file{stdout_\var{r}.out} and \file{stderr_\var{r}.out} where \var{r} is the rank of the processor. The option overwrites the value of the \env{ESCRIPT_STDFILES} environment variable   \item[\programopt{-o}] switches on the redirection of output of processors with \MPI rank greater than zero to the files \file{stdout_\var{r}.out} and \file{stderr_\var{r}.out} where \var{r} is the rank of the processor. The option overwrites the value of the \env{ESCRIPT_CREATESTDFILES} environment variable
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100  %  \item[\programopt{-x}] interpret \var{file} as an \esysxml \footnote{{\it esysxml} has not been released yet.} task.  %  \item[\programopt{-x}] interpret \var{file} as an \esysxml \footnote{{\it esysxml} has not been released yet.} task.
101  % This option is still expermental.  % This option is still expermental.
# Line 106  hosts defined in \var{hostfile} must be Line 106  hosts defined in \var{hostfile} must be
106  \section{Input and Output}  \section{Input and Output}
107  When \MPI is used on more than one process ($\var{nn} \cdot \var{np} >1$) no input from the standard input is accepted. Standard output on any process other the the master process (\var{rank}=0) will not be available.  When \MPI is used on more than one process ($\var{nn} \cdot \var{np} >1$) no input from the standard input is accepted. Standard output on any process other the the master process (\var{rank}=0) will not be available.
108  Error output from any processor will be redirected to the node where \program{escript} has been envoked.  Error output from any processor will be redirected to the node where \program{escript} has been envoked.
109  If the \programopt{-o} or \env{ESCRIPT_STDFILES} is set\footnote{That is, it has a non-empty value.}, then the standard and error output from any process other than the master process will be written to files of the names \file{stdout_\var{r}.out} and \file{stderr_\var{r}.out} (where  If the \programopt{-o} or \env{ESCRIPT_CREATESTDFILES} is set\footnote{That is, it has a non-empty value.}, then the standard and error output from any process other than the master process will be written to files of the names \file{stdout_\var{r}.out} and \file{stderr_\var{r}.out} (where
110  \var{r} is the rank of the process).  \var{r} is the rank of the process).
111    
112  If files are created or read by individual \MPI processes with information local to the process (e.g in the \function{dump} function)  and more than one process is used ($\var{nn} \cdot \var{np} >1$), the \MPI process rank is appended to the file names.  If files are created or read by individual \MPI processes with information local to the process (e.g in the \function{dump} function)  and more than one process is used ($\var{nn} \cdot \var{np} >1$), the \MPI process rank is appended to the file names.

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