48 lines
636 B
Prolog
Executable File
48 lines
636 B
Prolog
Executable File
#!/usr/local/bin/yap -L --
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% called with
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% mpirun -np 2 gowait.
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% prints
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% ------
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% main
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% main
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% after_init
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% after_init
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% [0,2]
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% [1,2]
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% irecv
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% wait_end
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% after_send
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% c(535755152,)
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:- use_module(library(lam_mpi)).
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:- use_module(library(system)).
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main:-
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write(main),nl,
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mpi_init,
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write(after_init),nl,
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mpi_comm_size(S),
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mpi_comm_rank(R),
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write([R,S]),nl,
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(R == 0->
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sleep(2),
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write(wait_end),nl,
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mpi_send(ciao,1,201),
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write(after_send),nl
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;
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mpi_irecv(0,_201,H),
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write(irecv),nl,
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test(H)
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),
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mpi_finalize.
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test(H):-
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(mpi_wait_recv(H,S,Data)->
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write(c(S,Data)),nl
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;
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write(no),nl,
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test(H)
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).
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:-main.
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