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yap-6.3/library/lammpi/examples/talk.yap

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:- use_module(library(lam_mpi)).
:- initialization(main).
main :-
mpi_init,
mpi_comm_size(2),
mpi_comm_rank(Rank),
do_comm(Rank),
mpi_finalize.
do_comm(0) :-
between(1,10,I),
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NI is I*1000,
gen_list(NI,List),
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mpi_send(List, 1, I),
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T =.. [f|List],
mpi_send(T, 1, I),
writeln(sent:I),
fail.
do_comm(0) :-
between(1,10,I),
NI is 2.3*I,
mpi_send(NI, 1, I),
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fail.
do_comm(0).
do_comm(1) :-
between(1,10,I),
mpi_recv(0, I, List),
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% writeln(I:List),
mpi_recv(0, I, T),
% writeln(I:T),
writeln(received:I),
fail.
do_comm(1) :-
between(1,10,I),
mpi_recv(0, I, T),
writeln(I:T),
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fail.
do_comm(1).
gen_list(0,[]) :- !.
gen_list(I,I.List) :-
I1 is I-1,
gen_list(I1,List).