I'm using MPI to run multiples instances of GLPK (one per process). It works fine, but may have a cost if each process does a lot of reading/writing in HDD.
Atenciosamente, *Thiago H. Neves* Web master / Programador / Professor Técnico em Informática 8º período em Matemática Computacional <http://www.matcomp.dcc.ufmg.br/> pela UFMG (31) 8608-0666 2016-12-14 12:06 GMT-02:00 Mathieu Dutour <mathieu.dut...@gmail.com>: > I am interested in running glpk from a multithreaded program. > The goal is not to have GLPK itself parallel but instead to > have glpk used many times by different threads for solving > many different linear programs. > > As is well known glpk is not thread safe and my question > is about alternative solution to that problem. Here are some > possibilities: > > A) One is to have to run glpsol standalone by running it > as external program with the input file generated by the thread > and then read by the thread. But this solution has its costs > in terms of runtime. It is easy to program. > > B) Have one thread that does only call glpk. It is adequate > in single threaded performance but potentially expensive > since some thread may wait. Relatively easy to program. > > C) Use shared memory to exchange data. That is multiple > number of individual programs running glpk and getting their > data from shared memory. > > Any other solution? Is there any implementation that you > would recommend? > > Mathieu > > _______________________________________________ > Help-glpk mailing list > Help-glpk@gnu.org > https://lists.gnu.org/mailman/listinfo/help-glpk > >
_______________________________________________ Help-glpk mailing list Help-glpk@gnu.org https://lists.gnu.org/mailman/listinfo/help-glpk
