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| Codeblock | ||||||
|---|---|---|---|---|---|---|
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$ parallel --xapply echo {1} {2} ::: 1 2 3 ::: a b c
1 a
2 b
3 c
$ parallel echo {1} {2} ::: 1 2 3 ::: a b c
1 a
1 b
1 c
2 a
2 b
2 c
3 a
3 b
3 c |
Doing local I/O tasks in parallel
To distribute data from a global location ($WORK, $HOME) to several nodes simultaneously - similar to a MPI_Bcast - one can use:
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Automatically, rpdcp will rename the data by appending the local hostname of its origin. This avoid avoids overwriting of files with the same name.
In the next example local output data ($LOCAL_TMPDIR) is moved back to $WORK while the main program is still running. With "&" you send you the main program in the background.
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