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Im trying to time my little program, which uses MPI and I want the output in a file.
The command Im trying: time --output=rt.txt mpirun -np 2 a.out. But the flags for timeand mpirun seem to clash.
Any ideas how this might work?
Are you sure about this ? From the man page for the binary
timeWhich
timeare you using ? Note there’s a built-in shelltime, and a separate binary. I suspect you need to use the separate binary rather than the built-in. Just specify it as/usr/bin/time(or wherever it’s installed)