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1 files changed, 5 insertions, 1 deletions
diff --git a/doc/documentation.tex b/doc/documentation.tex index d950402..fc0afbc 100644 --- a/doc/documentation.tex +++ b/doc/documentation.tex @@ -220,12 +220,16 @@ template for building your own data converter program.\\ \item Does the file contain chunked or unchunked data ? \item How many processors were used to produce the data ? \item How many I/O processors were used to write the data ? + \item What Cactus version is this datafile compatible with ? \end{itemize} Such information is put into as attributes into a group named {\tt "Global Attributes"}. Since we assume unchunked data here the processor information isn't relevant --- unchunked data can be fed back into a Cactus simulation running on an arbitrary - number of processors. + number of processors.\\ + The Cactus version ID must be present to indicate that grid variables + with multiple timelevels should be recovered following the new + timelevel scheme (as introduced in Cactus beta 10). \end{enumerate} The example C program goes through all of these steps and creates a datafile |