mirror of https://gitlab.com/QEF/q-e.git
45 lines
1.0 KiB
Fortran
45 lines
1.0 KiB
Fortran
PROGRAM test_mp_bcast_lv_buffer
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!
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! Simple program to check the functionalities of test_mp_bcast_lv
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! with buffer implementation.
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!
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USE parallel_include
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USE mp, ONLY : mp_bcast
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USE mp_world, ONLY : mp_world_start, mp_world_end, mpime, &
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root, nproc, world_comm
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USE tester
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IMPLICIT NONE
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!
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TYPE(tester_t) :: test
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INTEGER :: world_group = 0
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! test variable
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LOGICAL :: lv(200001)
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LOGICAL :: valid
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!
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CALL test%init()
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#if defined(__MPI)
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world_group = MPI_COMM_WORLD
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#endif
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CALL mp_world_start(world_group)
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lv(:) = MOD(mpime, 2) == 1
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CALL mp_bcast(lv, root, world_comm)
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!
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CALL test%assert_equal(ALL(lv) , .false. )
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!
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lv(:) = MOD(mpime, 2) == 1
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CALL mp_bcast(lv, nproc-1, world_comm)
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!
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valid = MOD(nproc-1, 2) == 1
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CALL test%assert_equal(ALL(lv) , valid )
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!
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CALL collect_results(test)
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!
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CALL mp_world_end()
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!
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IF (mpime .eq. 0) CALL test%print()
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!
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END PROGRAM test_mp_bcast_lv_buffer
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