I don't recall the details right now, but yes, the behavior you're seeing sounds expected, as Console.WriteLine does some kind of synchronization/locking, whereas printf does not (and thus may interleave individual calls).
(Regarding posting code, see [link:cs.hubfs.net] )
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I am writing my first MPI.Net app:
open System
open MPI
let Main args =
use unused = new MPI.Environment(ref args)
printfn
"Hello, World! from rank %d (running on %s)"
Communicator.world.Rank
MPI.Environment.ProcessorName
0
When I run
mpiexec -n 1
I get the expected output. But for n > 1, output is 1 char per line:
H
H
e
l
l
e
o
etc.
When I replace the printf with
Console.WriteLine( "Hello, World! from rank {0} (running on {1})",
Communicator.world.Rank,
MPI.Environment.ProcessorName )
life is good.
What's the difference between these two?
David
(Sorry for formatting. I tried angle-bracketed pre, bracketed code and bracketed quote, and this was the least worst. How do folks quote on this forum? I've tried IE 7, IE 8 and Chrome. Signed, helpless/hopeless with HTML.)