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Re: Parallel and MPI with default branch


From: Sebastian Schöps
Subject: Re: Parallel and MPI with default branch
Date: Mon, 19 Feb 2018 15:53:22 +0100

Hey Carlo,

> I think I messed up esterday, it is not the linker but the compiler that is 
> throwing out the error message.
> ...
> which refers to the following changeset:
> http://hg.savannah.gnu.org/hgweb/octave/rev/3da6c628873a

I have a theory: I think octave's 64bit-indexing is now enable by default. Did 
you disable it on your machine? It seems that some int types are messed up in 
the MPI package and that would explain the errors that I see...

If I change  "Array<int> info (dim_vector (dest.numel (), 1));"
to "int8NDArray info (dim_vector (dest.numel (), 1));" in MPI_Send.cc and 
"octave_idx_type num;" (which is long long in my case) to "int num;" then I can 
compile.

Seb.




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