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1315 lines
40 KiB
Fortran
1315 lines
40 KiB
Fortran
!
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! Parallel Sparse BLAS version 3.5
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! (C) Copyright 2006-2018
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! Salvatore Filippone
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! Alfredo Buttari
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!
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! Redistribution and use in source and binary forms, with or without
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! modification, are permitted provided that the following conditions
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! are met:
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! 1. Redistributions of source code must retain the above copyright
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! notice, this list of conditions and the following disclaimer.
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! 2. Redistributions in binary form must reproduce the above copyright
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! notice, this list of conditions, and the following disclaimer in the
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! documentation and/or other materials provided with the distribution.
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! 3. The name of the PSBLAS group or the names of its contributors may
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! not be used to endorse or promote products derived from this
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! software without specific written permission.
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!
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! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
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! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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! POSSIBILITY OF SUCH DAMAGE.
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!
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!
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#if defined(SERIAL_MPI)
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! Provide a fake mpi module just to keep the compiler(s) happy.
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module mpi
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use psb_const_mod
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integer(psb_mpk_), parameter :: mpi_success = 0
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integer(psb_mpk_), parameter :: mpi_request_null = 0
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integer(psb_mpk_), parameter :: mpi_status_size = 1
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integer(psb_mpk_), parameter :: mpi_integer = 1
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integer(psb_mpk_), parameter :: mpi_integer8 = 2
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integer(psb_mpk_), parameter :: mpi_real = 3
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integer(psb_mpk_), parameter :: mpi_double_precision = 4
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integer(psb_mpk_), parameter :: mpi_complex = 5
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integer(psb_mpk_), parameter :: mpi_double_complex = 6
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integer(psb_mpk_), parameter :: mpi_character = 7
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integer(psb_mpk_), parameter :: mpi_logical = 8
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integer(psb_mpk_), parameter :: mpi_integer2 = 9
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integer(psb_mpk_), parameter :: mpi_comm_null = -1
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integer(psb_mpk_), parameter :: mpi_comm_world = 1
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real(psb_dpk_), external :: mpi_wtime
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end module mpi
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#endif
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module psi_penv_mod
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use psb_const_mod
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integer(psb_mpk_), parameter:: psb_int_tag = 543987
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integer(psb_mpk_), parameter:: psb_real_tag = psb_int_tag + 1
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integer(psb_mpk_), parameter:: psb_double_tag = psb_real_tag + 1
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integer(psb_mpk_), parameter:: psb_complex_tag = psb_double_tag + 1
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integer(psb_mpk_), parameter:: psb_dcomplex_tag = psb_complex_tag + 1
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integer(psb_mpk_), parameter:: psb_logical_tag = psb_dcomplex_tag + 1
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integer(psb_mpk_), parameter:: psb_char_tag = psb_logical_tag + 1
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integer(psb_mpk_), parameter:: psb_int8_tag = psb_char_tag + 1
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integer(psb_mpk_), parameter:: psb_int2_tag = psb_int8_tag + 1
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integer(psb_mpk_), parameter:: psb_int4_tag = psb_int2_tag + 1
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integer(psb_mpk_), parameter:: psb_long_tag = psb_int4_tag + 1
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integer(psb_mpk_), parameter:: psb_int_swap_tag = psb_int_tag + psb_int_tag
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integer(psb_mpk_), parameter:: psb_real_swap_tag = psb_real_tag + psb_int_tag
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integer(psb_mpk_), parameter:: psb_double_swap_tag = psb_double_tag + psb_int_tag
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integer(psb_mpk_), parameter:: psb_complex_swap_tag = psb_complex_tag + psb_int_tag
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integer(psb_mpk_), parameter:: psb_dcomplex_swap_tag = psb_dcomplex_tag + psb_int_tag
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integer(psb_mpk_), parameter:: psb_logical_swap_tag = psb_logical_tag + psb_int_tag
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integer(psb_mpk_), parameter:: psb_char_swap_tag = psb_char_tag + psb_int_tag
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integer(psb_mpk_), parameter:: psb_int8_swap_tag = psb_int8_tag + psb_int_tag
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integer(psb_mpk_), parameter:: psb_int2_swap_tag = psb_int2_tag + psb_int_tag
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integer(psb_mpk_), parameter:: psb_int4_swap_tag = psb_int4_tag + psb_int_tag
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integer(psb_mpk_), parameter:: psb_long_swap_tag = psb_long_tag + psb_int_tag
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integer(psb_mpk_), private, parameter:: psb_int_type = 987543
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integer(psb_mpk_), private, parameter:: psb_real_type = psb_int_type + 1
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integer(psb_mpk_), private, parameter:: psb_double_type = psb_real_type + 1
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integer(psb_mpk_), private, parameter:: psb_complex_type = psb_double_type + 1
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integer(psb_mpk_), private, parameter:: psb_dcomplex_type = psb_complex_type + 1
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integer(psb_mpk_), private, parameter:: psb_logical_type = psb_dcomplex_type + 1
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integer(psb_mpk_), private, parameter:: psb_char_type = psb_logical_type + 1
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integer(psb_mpk_), private, parameter:: psb_int8_type = psb_char_type + 1
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integer(psb_mpk_), private, parameter:: psb_int2_type = psb_int8_type + 1
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integer(psb_mpk_), private, parameter:: psb_int4_type = psb_int2_type + 1
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integer(psb_mpk_), private, parameter:: psb_long_type = psb_int4_type + 1
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type psb_buffer_node
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integer(psb_mpk_) :: request
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type(psb_ctxt_type) :: icontxt
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integer(psb_mpk_) :: buffer_type
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integer(psb_epk_), allocatable :: int8buf(:)
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integer(psb_i2pk_), allocatable :: int2buf(:)
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integer(psb_mpk_), allocatable :: int4buf(:)
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real(psb_spk_), allocatable :: realbuf(:)
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real(psb_dpk_), allocatable :: doublebuf(:)
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complex(psb_spk_), allocatable :: complexbuf(:)
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complex(psb_dpk_), allocatable :: dcomplbuf(:)
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logical, allocatable :: logbuf(:)
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character(len=1), allocatable :: charbuf(:)
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type(psb_buffer_node), pointer :: prev=>null(), next=>null()
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end type psb_buffer_node
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type psb_buffer_queue
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type(psb_buffer_node), pointer :: head=>null(), tail=>null()
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end type psb_buffer_queue
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interface psi_snd
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module procedure&
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& psi_msnd, psi_esnd,&
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& psi_ssnd, psi_dsnd,&
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& psi_csnd, psi_zsnd,&
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& psi_logsnd, psi_hsnd,&
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& psi_i2snd
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end interface
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interface psb_init
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module procedure psb_init_mpik
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end interface
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interface psb_exit
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module procedure psb_exit_mpik
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end interface
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interface psb_abort
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module procedure psb_abort_mpik
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end interface
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interface psb_info
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module procedure psb_info_mpik
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end interface
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#if defined(IPK4) && defined(LPK8)
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interface psb_info
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module procedure psb_info_epk
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end interface
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#endif
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interface psb_barrier
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module procedure psb_barrier_mpik
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end interface
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interface psb_wtime
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module procedure psb_wtime
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end interface psb_wtime
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interface psb_get_mpi_comm
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module procedure psb_m_get_mpi_comm !, psb_e_get_mpi_comm
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end interface psb_get_mpi_comm
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interface psb_get_mpi_rank
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module procedure psb_m_get_mpi_rank!, psb_e_get_mpi_rank
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end interface psb_get_mpi_rank
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#if defined(SERIAL_MPI)
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integer(psb_mpk_), private, save :: nctxt=0
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#else
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integer(psb_mpk_), save :: mpi_iamx_op, mpi_iamn_op
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integer(psb_mpk_), save :: mpi_mamx_op, mpi_mamn_op
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integer(psb_mpk_), save :: mpi_eamx_op, mpi_eamn_op
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integer(psb_mpk_), save :: mpi_samx_op, mpi_samn_op
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integer(psb_mpk_), save :: mpi_damx_op, mpi_damn_op
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integer(psb_mpk_), save :: mpi_camx_op, mpi_camn_op
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integer(psb_mpk_), save :: mpi_zamx_op, mpi_zamn_op
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integer(psb_mpk_), save :: mpi_snrm2_op, mpi_dnrm2_op
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type(psb_buffer_queue), save :: psb_mesg_queue
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#endif
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private :: psi_get_sizes, psi_register_mpi_extras
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private :: psi_iamx_op, psi_iamn_op
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private :: psi_mamx_op, psi_mamn_op
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private :: psi_eamx_op, psi_eamn_op
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private :: psi_samx_op, psi_samn_op
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private :: psi_damx_op, psi_damn_op
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private :: psi_camx_op, psi_camn_op
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private :: psi_zamx_op, psi_zamn_op
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private :: psi_snrm2_op, psi_dnrm2_op
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contains
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subroutine psb_init_queue(mesg_queue,info)
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implicit none
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type(psb_buffer_queue), intent(inout) :: mesg_queue
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integer(psb_ipk_), intent(out) :: info
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info = 0
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if ((.not.associated(mesg_queue%head)).and.&
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& (.not.associated(mesg_queue%tail))) then
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! Nothing to do
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return
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end if
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if ((.not.associated(mesg_queue%head)).or.&
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& (.not.associated(mesg_queue%tail))) then
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! If we are here one is associated, the other is not.
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! This is impossible.
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info = -1
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write(psb_err_unit,*) 'Wrong status on init '
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return
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end if
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end subroutine psb_init_queue
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subroutine psb_wait_buffer(node, info)
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#ifdef MPI_MOD
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use mpi
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#endif
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implicit none
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#ifdef MPI_H
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include 'mpif.h'
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#endif
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type(psb_buffer_node), intent(inout) :: node
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integer(psb_ipk_), intent(out) :: info
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integer(psb_mpk_) :: status(mpi_status_size),minfo
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minfo = mpi_success
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call mpi_wait(node%request,status,minfo)
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info=minfo
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end subroutine psb_wait_buffer
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subroutine psb_test_buffer(node, flag, info)
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#ifdef MPI_MOD
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use mpi
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#endif
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implicit none
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#ifdef MPI_H
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include 'mpif.h'
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#endif
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type(psb_buffer_node), intent(inout) :: node
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logical, intent(out) :: flag
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integer(psb_ipk_), intent(out) :: info
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integer(psb_mpk_) :: status(mpi_status_size), minfo
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minfo = mpi_success
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#if defined(SERIAL_MPI)
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flag = .true.
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#else
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call mpi_test(node%request,flag,status,minfo)
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#endif
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info=minfo
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end subroutine psb_test_buffer
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subroutine psb_close_context(mesg_queue,icontxt)
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type(psb_buffer_queue), intent(inout) :: mesg_queue
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type(psb_ctxt_type), intent(in) :: icontxt
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integer(psb_ipk_) :: info
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type(psb_buffer_node), pointer :: node, nextnode
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node => mesg_queue%head
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do
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if (.not.associated(node)) exit
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nextnode => node%next
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if (psb_cmp_ctxt(node%icontxt,icontxt)) then
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call psb_wait_buffer(node,info)
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call psb_delete_node(mesg_queue,node)
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end if
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node => nextnode
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end do
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end subroutine psb_close_context
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subroutine psb_close_all_context(mesg_queue)
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type(psb_buffer_queue), intent(inout) :: mesg_queue
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type(psb_buffer_node), pointer :: node, nextnode
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integer(psb_ipk_) :: info
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node => mesg_queue%head
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do
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if (.not.associated(node)) exit
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nextnode => node%next
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call psb_wait_buffer(node,info)
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call psb_delete_node(mesg_queue,node)
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node => nextnode
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end do
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end subroutine psb_close_all_context
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subroutine psb_delete_node(mesg_queue,node)
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type(psb_buffer_queue), intent(inout) :: mesg_queue
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type(psb_buffer_node), pointer :: node
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type(psb_buffer_node), pointer :: prevnode
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if (.not.associated(node)) then
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return
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end if
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prevnode => node%prev
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if (associated(mesg_queue%head,node)) mesg_queue%head => node%next
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if (associated(mesg_queue%tail,node)) mesg_queue%tail => prevnode
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if (associated(prevnode)) prevnode%next => node%next
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if (associated(node%next)) node%next%prev => prevnode
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deallocate(node)
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end subroutine psb_delete_node
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subroutine psb_insert_node(mesg_queue,node)
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type(psb_buffer_queue), intent(inout) :: mesg_queue
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type(psb_buffer_node), pointer :: node
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node%next => null()
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node%prev => null()
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if ((.not.associated(mesg_queue%head)).and.&
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& (.not.associated(mesg_queue%tail))) then
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mesg_Queue%head => node
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mesg_queue%tail => node
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return
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end if
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mesg_queue%tail%next => node
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node%prev => mesg_queue%tail
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mesg_queue%tail => node
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end subroutine psb_insert_node
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subroutine psb_test_nodes(mesg_queue)
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type(psb_buffer_queue) :: mesg_queue
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type(psb_buffer_node), pointer :: node, nextnode
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integer(psb_ipk_) :: info
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logical :: flag
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node => mesg_queue%head
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do
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if (.not.associated(node)) exit
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nextnode => node%next
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call psb_test_buffer(node,flag,info)
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if (flag) then
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call psb_delete_node(mesg_queue,node)
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end if
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node => nextnode
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end do
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end subroutine psb_test_nodes
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! !!!!!!!!!!!!!!!!!
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!
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! Inner send. Basic idea:
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! the input buffer is MOVE_ALLOCed
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! to a node in the mesg queue, then it is sent.
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! Thus the calling process should guarantee that
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! the buffer is dispensable, i.e. the user data
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! has already been copied.
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!
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! !!!!!!!!!!!!!!!!!
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subroutine psi_msnd(icontxt,tag,dest,buffer,mesg_queue)
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#ifdef MPI_MOD
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use mpi
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#endif
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implicit none
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#ifdef MPI_H
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include 'mpif.h'
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#endif
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type(psb_ctxt_type) :: icontxt
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integer(psb_mpk_) :: tag, dest
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integer(psb_mpk_), allocatable, intent(inout) :: buffer(:)
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type(psb_buffer_queue) :: mesg_queue
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type(psb_buffer_node), pointer :: node
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integer(psb_ipk_) :: info
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integer(psb_mpk_) :: minfo, icomm
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allocate(node, stat=info)
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if (info /= 0) then
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write(psb_err_unit,*) 'Fatal memory error inside communication subsystem'
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return
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end if
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node%icontxt = icontxt
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icomm = psb_get_mpi_comm(icontxt)
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node%buffer_type = psb_int_type
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call move_alloc(buffer,node%int4buf)
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if (info /= 0) then
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write(psb_err_unit,*) 'Fatal memory error inside communication subsystem'
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return
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end if
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call mpi_isend(node%int4buf,size(node%int4buf),psb_mpi_mpk_,&
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& dest,tag,icomm,node%request,minfo)
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info = minfo
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call psb_insert_node(mesg_queue,node)
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call psb_test_nodes(mesg_queue)
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end subroutine psi_msnd
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subroutine psi_esnd(icontxt,tag,dest,buffer,mesg_queue)
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#ifdef MPI_MOD
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use mpi
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#endif
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implicit none
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#ifdef MPI_H
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include 'mpif.h'
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#endif
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type(psb_ctxt_type) :: icontxt
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integer(psb_mpk_) :: tag, dest
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integer(psb_epk_), allocatable, intent(inout) :: buffer(:)
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type(psb_buffer_queue) :: mesg_queue
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type(psb_buffer_node), pointer :: node
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integer(psb_ipk_) :: info
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integer(psb_mpk_) :: minfo, icomm
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allocate(node, stat=info)
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if (info /= 0) then
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write(psb_err_unit,*) 'Fatal memory error inside communication subsystem'
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return
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end if
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node%icontxt = icontxt
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icomm = psb_get_mpi_comm(icontxt)
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node%buffer_type = psb_int8_type
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call move_alloc(buffer,node%int8buf)
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if (info /= 0) then
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write(psb_err_unit,*) 'Fatal memory error inside communication subsystem'
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return
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end if
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call mpi_isend(node%int8buf,size(node%int8buf),psb_mpi_epk_,&
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& dest,tag,icomm,node%request,minfo)
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info = minfo
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call psb_insert_node(mesg_queue,node)
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call psb_test_nodes(mesg_queue)
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end subroutine psi_esnd
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|
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subroutine psi_i2snd(icontxt,tag,dest,buffer,mesg_queue)
|
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#ifdef MPI_MOD
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use mpi
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#endif
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implicit none
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|
#ifdef MPI_H
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include 'mpif.h'
|
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#endif
|
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type(psb_ctxt_type) :: icontxt
|
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integer(psb_mpk_) :: tag, dest
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integer(psb_i2pk_), allocatable, intent(inout) :: buffer(:)
|
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type(psb_buffer_queue) :: mesg_queue
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type(psb_buffer_node), pointer :: node
|
|
integer(psb_ipk_) :: info
|
|
integer(psb_mpk_) :: minfo, icomm
|
|
|
|
allocate(node, stat=info)
|
|
if (info /= 0) then
|
|
write(psb_err_unit,*) 'Fatal memory error inside communication subsystem'
|
|
return
|
|
end if
|
|
node%icontxt = icontxt
|
|
icomm = psb_get_mpi_comm(icontxt)
|
|
node%buffer_type = psb_int2_type
|
|
call move_alloc(buffer,node%int2buf)
|
|
if (info /= 0) then
|
|
write(psb_err_unit,*) 'Fatal memory error inside communication subsystem'
|
|
return
|
|
end if
|
|
call mpi_isend(node%int2buf,size(node%int2buf),psb_mpi_i2pk_,&
|
|
& dest,tag,icomm,node%request,minfo)
|
|
info = minfo
|
|
call psb_insert_node(mesg_queue,node)
|
|
call psb_test_nodes(mesg_queue)
|
|
|
|
end subroutine psi_i2snd
|
|
|
|
subroutine psi_ssnd(icontxt,tag,dest,buffer,mesg_queue)
|
|
#ifdef MPI_MOD
|
|
use mpi
|
|
#endif
|
|
implicit none
|
|
#ifdef MPI_H
|
|
include 'mpif.h'
|
|
#endif
|
|
type(psb_ctxt_type) :: icontxt
|
|
integer(psb_mpk_) :: tag, dest
|
|
real(psb_spk_), allocatable, intent(inout) :: buffer(:)
|
|
type(psb_buffer_queue) :: mesg_queue
|
|
type(psb_buffer_node), pointer :: node
|
|
integer(psb_ipk_) :: info
|
|
integer(psb_mpk_) :: minfo, icomm
|
|
|
|
allocate(node, stat=info)
|
|
if (info /= 0) then
|
|
write(psb_err_unit,*) 'Fatal memory error inside communication subsystem'
|
|
return
|
|
end if
|
|
node%icontxt = icontxt
|
|
icomm = psb_get_mpi_comm(icontxt)
|
|
node%buffer_type = psb_real_type
|
|
call move_alloc(buffer,node%realbuf)
|
|
if (info /= 0) then
|
|
write(psb_err_unit,*) 'Fatal memory error inside communication subsystem'
|
|
return
|
|
end if
|
|
call mpi_isend(node%realbuf,size(node%realbuf),psb_mpi_r_spk_,&
|
|
& dest,tag,icomm,node%request,minfo)
|
|
info = minfo
|
|
call psb_insert_node(mesg_queue,node)
|
|
call psb_test_nodes(mesg_queue)
|
|
|
|
end subroutine psi_ssnd
|
|
|
|
subroutine psi_dsnd(icontxt,tag,dest,buffer,mesg_queue)
|
|
#ifdef MPI_MOD
|
|
use mpi
|
|
#endif
|
|
implicit none
|
|
#ifdef MPI_H
|
|
include 'mpif.h'
|
|
#endif
|
|
type(psb_ctxt_type) :: icontxt
|
|
integer(psb_mpk_) :: tag, dest
|
|
real(psb_dpk_), allocatable, intent(inout) :: buffer(:)
|
|
type(psb_buffer_queue) :: mesg_queue
|
|
type(psb_buffer_node), pointer :: node
|
|
integer(psb_ipk_) :: info
|
|
integer(psb_mpk_) :: minfo, icomm
|
|
|
|
allocate(node, stat=info)
|
|
if (info /= 0) then
|
|
write(psb_err_unit,*) 'Fatal memory error inside communication subsystem'
|
|
return
|
|
end if
|
|
node%icontxt = icontxt
|
|
icomm = psb_get_mpi_comm(icontxt)
|
|
node%buffer_type = psb_double_type
|
|
call move_alloc(buffer,node%doublebuf)
|
|
if (info /= 0) then
|
|
write(psb_err_unit,*) 'Fatal memory error inside communication subsystem'
|
|
return
|
|
end if
|
|
call mpi_isend(node%doublebuf,size(node%doublebuf),psb_mpi_r_dpk_,&
|
|
& dest,tag,icomm,node%request,minfo)
|
|
info = minfo
|
|
call psb_insert_node(mesg_queue,node)
|
|
call psb_test_nodes(mesg_queue)
|
|
|
|
end subroutine psi_dsnd
|
|
|
|
subroutine psi_csnd(icontxt,tag,dest,buffer,mesg_queue)
|
|
#ifdef MPI_MOD
|
|
use mpi
|
|
#endif
|
|
implicit none
|
|
#ifdef MPI_H
|
|
include 'mpif.h'
|
|
#endif
|
|
type(psb_ctxt_type) :: icontxt
|
|
integer(psb_mpk_) :: tag, dest
|
|
complex(psb_spk_), allocatable, intent(inout) :: buffer(:)
|
|
type(psb_buffer_queue) :: mesg_queue
|
|
type(psb_buffer_node), pointer :: node
|
|
integer(psb_ipk_) :: info
|
|
integer(psb_mpk_) :: minfo, icomm
|
|
|
|
allocate(node, stat=info)
|
|
if (info /= 0) then
|
|
write(psb_err_unit,*) 'Fatal memory error inside communication subsystem'
|
|
return
|
|
end if
|
|
node%icontxt = icontxt
|
|
icomm = psb_get_mpi_comm(icontxt)
|
|
node%buffer_type = psb_complex_type
|
|
call move_alloc(buffer,node%complexbuf)
|
|
if (info /= 0) then
|
|
write(psb_err_unit,*) 'Fatal memory error inside communication subsystem'
|
|
return
|
|
end if
|
|
call mpi_isend(node%complexbuf,size(node%complexbuf),psb_mpi_c_spk_,&
|
|
& dest,tag,icomm,node%request,minfo)
|
|
info = minfo
|
|
call psb_insert_node(mesg_queue,node)
|
|
call psb_test_nodes(mesg_queue)
|
|
|
|
end subroutine psi_csnd
|
|
|
|
subroutine psi_zsnd(icontxt,tag,dest,buffer,mesg_queue)
|
|
#ifdef MPI_MOD
|
|
use mpi
|
|
#endif
|
|
implicit none
|
|
#ifdef MPI_H
|
|
include 'mpif.h'
|
|
#endif
|
|
type(psb_ctxt_type) :: icontxt
|
|
integer(psb_mpk_) :: tag, dest
|
|
complex(psb_dpk_), allocatable, intent(inout) :: buffer(:)
|
|
type(psb_buffer_queue) :: mesg_queue
|
|
type(psb_buffer_node), pointer :: node
|
|
integer(psb_ipk_) :: info
|
|
integer(psb_mpk_) :: minfo, icomm
|
|
|
|
allocate(node, stat=info)
|
|
if (info /= 0) then
|
|
write(psb_err_unit,*) 'Fatal memory error inside communication subsystem'
|
|
return
|
|
end if
|
|
node%icontxt = icontxt
|
|
icomm = psb_get_mpi_comm(icontxt)
|
|
node%buffer_type = psb_dcomplex_type
|
|
call move_alloc(buffer,node%dcomplbuf)
|
|
if (info /= 0) then
|
|
write(psb_err_unit,*) 'Fatal memory error inside communication subsystem'
|
|
return
|
|
end if
|
|
call mpi_isend(node%dcomplbuf,size(node%dcomplbuf),psb_mpi_c_dpk_,&
|
|
& dest,tag,icomm,node%request,minfo)
|
|
info = minfo
|
|
call psb_insert_node(mesg_queue,node)
|
|
call psb_test_nodes(mesg_queue)
|
|
|
|
end subroutine psi_zsnd
|
|
|
|
|
|
subroutine psi_logsnd(icontxt,tag,dest,buffer,mesg_queue)
|
|
#ifdef MPI_MOD
|
|
use mpi
|
|
#endif
|
|
implicit none
|
|
#ifdef MPI_H
|
|
include 'mpif.h'
|
|
#endif
|
|
type(psb_ctxt_type) :: icontxt
|
|
integer(psb_mpk_) :: tag, dest
|
|
logical, allocatable, intent(inout) :: buffer(:)
|
|
type(psb_buffer_queue) :: mesg_queue
|
|
type(psb_buffer_node), pointer :: node
|
|
integer(psb_ipk_) :: info
|
|
integer(psb_mpk_) :: minfo, icomm
|
|
|
|
allocate(node, stat=info)
|
|
if (info /= 0) then
|
|
write(psb_err_unit,*) 'Fatal memory error inside communication subsystem'
|
|
return
|
|
end if
|
|
node%icontxt = icontxt
|
|
icomm = psb_get_mpi_comm(icontxt)
|
|
node%buffer_type = psb_logical_type
|
|
call move_alloc(buffer,node%logbuf)
|
|
if (info /= 0) then
|
|
write(psb_err_unit,*) 'Fatal memory error inside communication subsystem'
|
|
return
|
|
end if
|
|
call mpi_isend(node%logbuf,size(node%logbuf),mpi_logical,&
|
|
& dest,tag,icomm,node%request,minfo)
|
|
info = minfo
|
|
call psb_insert_node(mesg_queue,node)
|
|
call psb_test_nodes(mesg_queue)
|
|
|
|
end subroutine psi_logsnd
|
|
|
|
|
|
subroutine psi_hsnd(icontxt,tag,dest,buffer,mesg_queue)
|
|
#ifdef MPI_MOD
|
|
use mpi
|
|
#endif
|
|
implicit none
|
|
#ifdef MPI_H
|
|
include 'mpif.h'
|
|
#endif
|
|
type(psb_ctxt_type) :: icontxt
|
|
integer(psb_mpk_) :: tag, dest
|
|
character(len=1), allocatable, intent(inout) :: buffer(:)
|
|
type(psb_buffer_queue) :: mesg_queue
|
|
type(psb_buffer_node), pointer :: node
|
|
integer(psb_ipk_) :: info
|
|
integer(psb_mpk_) :: minfo, icomm
|
|
|
|
allocate(node, stat=info)
|
|
if (info /= 0) then
|
|
write(psb_err_unit,*) 'Fatal memory error inside communication subsystem'
|
|
return
|
|
end if
|
|
node%icontxt = icontxt
|
|
icomm = psb_get_mpi_comm(icontxt)
|
|
node%buffer_type = psb_char_type
|
|
call move_alloc(buffer,node%charbuf)
|
|
if (info /= 0) then
|
|
write(psb_err_unit,*) 'Fatal memory error inside communication subsystem'
|
|
return
|
|
end if
|
|
call mpi_isend(node%charbuf,size(node%charbuf),mpi_character,&
|
|
& dest,tag,icomm,node%request,minfo)
|
|
info = minfo
|
|
call psb_insert_node(mesg_queue,node)
|
|
call psb_test_nodes(mesg_queue)
|
|
|
|
end subroutine psi_hsnd
|
|
|
|
|
|
! !!!!!!!!!!!!!!!!!!!!!!
|
|
!
|
|
! Environment handling
|
|
!
|
|
! !!!!!!!!!!!!!!!!!!!!!!
|
|
|
|
subroutine psi_get_sizes()
|
|
use psb_const_mod
|
|
real(psb_dpk_) :: dv(2)
|
|
real(psb_spk_) :: sv(2)
|
|
integer(psb_i2pk_):: i2v(2)
|
|
integer(psb_mpk_) :: mv(2)
|
|
integer(psb_ipk_) :: iv(2)
|
|
integer(psb_lpk_) :: lv(2)
|
|
integer(psb_epk_) :: ev(2)
|
|
|
|
call psi_c_diffadd(sv(1),sv(2),psb_sizeof_sp)
|
|
call psi_c_diffadd(dv(1),dv(2),psb_sizeof_dp)
|
|
call psi_c_diffadd(i2v(1),i2v(2),psb_sizeof_i2p)
|
|
call psi_c_diffadd(mv(1),mv(2),psb_sizeof_mp)
|
|
call psi_c_diffadd(iv(1),iv(2),psb_sizeof_ip)
|
|
call psi_c_diffadd(lv(1),lv(2),psb_sizeof_lp)
|
|
call psi_c_diffadd(ev(1),ev(2),psb_sizeof_ep)
|
|
|
|
end subroutine psi_get_sizes
|
|
|
|
subroutine psi_register_mpi_extras(info)
|
|
#ifdef MPI_MOD
|
|
use mpi
|
|
#endif
|
|
implicit none
|
|
#ifdef MPI_H
|
|
include 'mpif.h'
|
|
#endif
|
|
integer(psb_mpk_) :: info
|
|
|
|
info = 0
|
|
#if 0
|
|
if (info == 0) call mpi_type_create_f90_integer(psb_ipk_, psb_mpi_ipk_ ,info)
|
|
if (info == 0) call mpi_type_create_f90_integer(psb_lpk_, psb_mpi_lpk_ ,info)
|
|
if (info == 0) call mpi_type_create_f90_integer(psb_mpk_, psb_mpi_mpk_ ,info)
|
|
if (info == 0) call mpi_type_create_f90_integer(psb_epk_, psb_mpi_lpk_ ,info)
|
|
if (info == 0) call mpi_type_create_f90_real(psb_spk_p_,psb_spk_r_, psb_mpi_r_spk_,info)
|
|
if (info == 0) call mpi_type_create_f90_real(psb_dpk_p_,psb_dpk_r_, psb_mpi_r_dpk_,info)
|
|
if (info == 0) call mpi_type_create_f90_complex(psb_spk_p_,psb_spk_r_, psb_mpi_c_spk_,info)
|
|
if (info == 0) call mpi_type_create_f90_complex(psb_dpk_p_,psb_dpk_r_, psb_mpi_c_dpk_,info)
|
|
#else
|
|
#if defined(IPK4) && defined(LPK4)
|
|
psb_mpi_ipk_ = mpi_integer4
|
|
psb_mpi_lpk_ = mpi_integer4
|
|
#elif defined(IPK4) && defined(LPK8)
|
|
psb_mpi_ipk_ = mpi_integer4
|
|
psb_mpi_lpk_ = mpi_integer8
|
|
#elif defined(IPK8) && defined(LPK8)
|
|
psb_mpi_ipk_ = mpi_integer8
|
|
psb_mpi_lpk_ = mpi_integer8
|
|
#else
|
|
! This should never happen
|
|
write(psb_err_unit,*) 'Warning: an impossible IPK/LPK combination.'
|
|
write(psb_err_unit,*) 'Something went wrong at configuration time.'
|
|
psb_mpi_ipk_ = -1
|
|
psb_mpi_lpk_ = -1
|
|
#endif
|
|
psb_mpi_i2pk_ = mpi_integer2
|
|
psb_mpi_mpk_ = mpi_integer4
|
|
psb_mpi_epk_ = mpi_integer8
|
|
psb_mpi_r_spk_ = mpi_real
|
|
psb_mpi_r_dpk_ = mpi_double_precision
|
|
psb_mpi_c_spk_ = mpi_complex
|
|
psb_mpi_c_dpk_ = mpi_double_complex
|
|
#endif
|
|
|
|
#if defined(SERIAL_MPI)
|
|
#else
|
|
if (info == 0) call mpi_op_create(psi_mamx_op,.true.,mpi_mamx_op,info)
|
|
if (info == 0) call mpi_op_create(psi_mamn_op,.true.,mpi_mamn_op,info)
|
|
if (info == 0) call mpi_op_create(psi_eamx_op,.true.,mpi_eamx_op,info)
|
|
if (info == 0) call mpi_op_create(psi_eamn_op,.true.,mpi_eamn_op,info)
|
|
if (info == 0) call mpi_op_create(psi_samx_op,.true.,mpi_samx_op,info)
|
|
if (info == 0) call mpi_op_create(psi_samn_op,.true.,mpi_samn_op,info)
|
|
if (info == 0) call mpi_op_create(psi_damx_op,.true.,mpi_damx_op,info)
|
|
if (info == 0) call mpi_op_create(psi_damn_op,.true.,mpi_damn_op,info)
|
|
if (info == 0) call mpi_op_create(psi_camx_op,.true.,mpi_camx_op,info)
|
|
if (info == 0) call mpi_op_create(psi_camn_op,.true.,mpi_camn_op,info)
|
|
if (info == 0) call mpi_op_create(psi_zamx_op,.true.,mpi_zamx_op,info)
|
|
if (info == 0) call mpi_op_create(psi_zamn_op,.true.,mpi_zamn_op,info)
|
|
if (info == 0) call mpi_op_create(psi_snrm2_op,.true.,mpi_snrm2_op,info)
|
|
if (info == 0) call mpi_op_create(psi_dnrm2_op,.true.,mpi_dnrm2_op,info)
|
|
#endif
|
|
|
|
end subroutine psi_register_mpi_extras
|
|
|
|
#if defined(IPK4) && defined(LPK8)
|
|
subroutine psb_info_epk(ctxt,iam,np)
|
|
|
|
type(psb_ctxt_type), intent(in) :: ctxt
|
|
integer(psb_epk_), intent(out) :: iam, np
|
|
|
|
!
|
|
! Simple caching scheme, keep track
|
|
! of the last CTXT encountered.
|
|
!
|
|
integer(psb_mpk_), save :: lam, lnp
|
|
call psb_info(ctxt,lam,lnp)
|
|
iam = lam
|
|
np = lnp
|
|
end subroutine psb_info_epk
|
|
#endif
|
|
|
|
subroutine psb_init_mpik(ctxt,np,basectxt,ids)
|
|
use psb_const_mod
|
|
use psb_error_mod
|
|
use psb_mat_mod
|
|
use psb_vect_mod
|
|
! !$ use psb_rsb_mod
|
|
#ifdef MPI_MOD
|
|
use mpi
|
|
#endif
|
|
implicit none
|
|
#ifdef MPI_H
|
|
include 'mpif.h'
|
|
#endif
|
|
type(psb_ctxt_type), intent(out) :: ctxt
|
|
type(psb_ctxt_type), intent(in), optional :: basectxt
|
|
integer(psb_mpk_), intent(in), optional :: np, ids(:)
|
|
|
|
integer(psb_mpk_) :: i, isnullcomm, icomm
|
|
integer(psb_mpk_), allocatable :: iids(:)
|
|
logical :: initialized
|
|
integer(psb_mpk_) :: np_, npavail, iam, info, basecomm, basegroup, newgroup
|
|
character(len=20), parameter :: name='psb_init'
|
|
integer(psb_ipk_) :: iinfo
|
|
!
|
|
call psb_set_debug_unit(psb_err_unit)
|
|
|
|
#if defined(SERIAL_MPI)
|
|
ctxt = nctxt
|
|
nctxt = nctxt + 1
|
|
|
|
call psi_register_mpi_extras(info)
|
|
call psi_get_sizes()
|
|
|
|
#else
|
|
call mpi_initialized(initialized,info)
|
|
if ((.not.initialized).or.(info /= mpi_success)) then
|
|
if (info == mpi_success) call mpi_init(info)
|
|
if (info /= mpi_success) then
|
|
write(psb_err_unit,*) 'Error in initalizing MPI, bailing out',info
|
|
stop
|
|
end if
|
|
end if
|
|
|
|
if (present(basectxt)) then
|
|
if (allocated(basectxt%ctxt)) then
|
|
basecomm = basectxt%ctxt
|
|
else
|
|
basecomm = mpi_comm_world
|
|
end if
|
|
else
|
|
basecomm = mpi_comm_world
|
|
end if
|
|
|
|
if (present(np)) then
|
|
if (np < 1) then
|
|
iinfo=psb_err_initerror_neugh_procs_
|
|
call psb_errpush(iinfo,name)
|
|
call psb_error()
|
|
!ctxt = mpi_comm_null
|
|
return
|
|
endif
|
|
call mpi_comm_size(basecomm,np_,info)
|
|
if (np_ < np) then
|
|
iinfo=psb_err_initerror_neugh_procs_
|
|
call psb_errpush(iinfo,name)
|
|
call psb_error()
|
|
!ctxt = mpi_comm_null
|
|
return
|
|
endif
|
|
call mpi_comm_group(basecomm,basegroup,info)
|
|
if (present(ids)) then
|
|
if (size(ids)<np) then
|
|
write(psb_err_unit,*) 'Error in init: too few ids in input'
|
|
!ctxt%ctxt = mpi_comm_null
|
|
return
|
|
end if
|
|
do i=1, np
|
|
if ((ids(i)<0).or.(ids(i)>np_)) then
|
|
write(psb_err_unit,*) 'Error in init: invalid rank in input'
|
|
!ctxt%ctxt = mpi_comm_null
|
|
return
|
|
end if
|
|
end do
|
|
call mpi_group_incl(basegroup,np,ids,newgroup,info)
|
|
if (info /= mpi_success) then
|
|
!ctxt%ctxt = mpi_comm_null
|
|
return
|
|
endif
|
|
else
|
|
allocate(iids(np),stat=info)
|
|
if (info /= 0) then
|
|
!ctxt%ctxt = mpi_comm_null
|
|
return
|
|
endif
|
|
do i=1, np
|
|
iids(i) = i-1
|
|
end do
|
|
call mpi_group_incl(basegroup,np,iids,newgroup,info)
|
|
if (info /= mpi_success) then
|
|
!ctxt = mpi_comm_null
|
|
return
|
|
endif
|
|
deallocate(iids)
|
|
end if
|
|
|
|
call mpi_comm_create(basecomm,newgroup,icomm,info)
|
|
|
|
else
|
|
if (basecomm /= mpi_comm_null) then
|
|
call mpi_comm_dup(basecomm,icomm,info)
|
|
else
|
|
! ctxt = mpi_comm_null
|
|
end if
|
|
endif
|
|
if (info == 0) then
|
|
ctxt%ctxt = icomm ! allocate on assignment
|
|
end if
|
|
call psi_register_mpi_extras(info)
|
|
call psi_get_sizes()
|
|
!if (ctxt == mpi_comm_null) return
|
|
if (.not.allocated(ctxt%ctxt)) return
|
|
#endif
|
|
call psb_init_vect_defaults()
|
|
call psb_init_mat_defaults()
|
|
! !$ call psb_rsb_init(info)
|
|
! !$ if (info.ne.psb_rsb_const_success) then
|
|
! !$ if (info.eq.psb_rsb_const_not_available) then
|
|
! !$ info=psb_success_ ! rsb is not present
|
|
! !$ else
|
|
! !$ ! rsb failed to initialize, and we issue an internal error.
|
|
! !$ ! or shall we tolerate this ?
|
|
! !$ info=psb_err_internal_error_
|
|
! !$ call psb_errpush(info,name)
|
|
! !$ call psb_error(ctxt)
|
|
! !$ endif
|
|
! !$ endif
|
|
|
|
end subroutine psb_init_mpik
|
|
|
|
subroutine psb_exit_mpik(ctxt,close)
|
|
use psb_mat_mod
|
|
use psb_vect_mod
|
|
! !$ use psb_rsb_mod
|
|
#ifdef MPI_MOD
|
|
use mpi
|
|
#endif
|
|
implicit none
|
|
#ifdef MPI_H
|
|
include 'mpif.h'
|
|
#endif
|
|
type(psb_ctxt_type), intent(inout) :: ctxt
|
|
logical, intent(in), optional :: close
|
|
logical :: close_
|
|
integer(psb_mpk_) :: info
|
|
character(len=20), parameter :: name='psb_exit'
|
|
|
|
info = 0
|
|
if (present(close)) then
|
|
close_ = close
|
|
else
|
|
close_ = .true.
|
|
end if
|
|
! !$ if (close_) call psb_rsb_exit(info)
|
|
! !$ if (info.ne.psb_rsb_const_success) then
|
|
! !$ if (info.eq.psb_rsb_const_not_available) then
|
|
! !$ info=psb_success_ ! rsb is not present
|
|
! !$ else
|
|
! !$ info=psb_err_internal_error_ ! rsb failed to exit, and we issue an internal error. or shall we tolerate this ?
|
|
! !$ call psb_errpush(info,name)
|
|
! !$ call psb_error(ctxt)
|
|
! !$ endif
|
|
! !$ endif
|
|
#if defined(SERIAL_MPI)
|
|
! Under serial mode, CLOSE has no effect, but reclaim
|
|
! the used ctxt number.
|
|
nctxt = max(0, nctxt - 1)
|
|
#else
|
|
if (close_) then
|
|
call psb_close_all_context(psb_mesg_queue)
|
|
else
|
|
call psb_close_context(psb_mesg_queue,ctxt)
|
|
end if
|
|
!if ((ctxt /= mpi_comm_null).and.(ctxt /= mpi_comm_world)) then
|
|
if (allocated(ctxt%ctxt)) then
|
|
if (ctxt%ctxt /= mpi_comm_world)call mpi_comm_Free(ctxt%ctxt,info)
|
|
end if
|
|
|
|
if (close_) call mpi_finalize(info)
|
|
|
|
#endif
|
|
if (close_) call psb_clear_vect_defaults()
|
|
if (close_) call psb_clear_mat_defaults()
|
|
|
|
end subroutine psb_exit_mpik
|
|
|
|
|
|
subroutine psb_barrier_mpik(ctxt)
|
|
#ifdef MPI_MOD
|
|
use mpi
|
|
#endif
|
|
implicit none
|
|
#ifdef MPI_H
|
|
include 'mpif.h'
|
|
#endif
|
|
type(psb_ctxt_type), intent(in) :: ctxt
|
|
|
|
integer(psb_mpk_) :: info
|
|
#if !defined(SERIAL_MPI)
|
|
if (allocated(ctxt%ctxt)) then
|
|
if (ctxt%ctxt /= mpi_comm_null) call mpi_barrier(ctxt%ctxt, info)
|
|
end if
|
|
#endif
|
|
|
|
end subroutine psb_barrier_mpik
|
|
|
|
function psb_wtime()
|
|
use psb_const_mod
|
|
! use mpi_constants
|
|
#ifdef MPI_MOD
|
|
use mpi
|
|
#endif
|
|
implicit none
|
|
#ifdef MPI_H
|
|
include 'mpif.h'
|
|
#endif
|
|
real(psb_dpk_) :: psb_wtime
|
|
|
|
psb_wtime = mpi_wtime()
|
|
end function psb_wtime
|
|
|
|
subroutine psb_abort_mpik(ctxt,errc)
|
|
|
|
type(psb_ctxt_type), intent(in) :: ctxt
|
|
integer(psb_mpk_), intent(in), optional :: errc
|
|
|
|
integer(psb_mpk_) :: code, info
|
|
|
|
#if defined(SERIAL_MPI)
|
|
stop
|
|
#else
|
|
if (present(errc)) then
|
|
code = errc
|
|
else
|
|
code = -1
|
|
endif
|
|
|
|
if (allocated(ctxt%ctxt)) call mpi_abort(ctxt%ctxt,code,info)
|
|
#endif
|
|
|
|
end subroutine psb_abort_mpik
|
|
|
|
|
|
subroutine psb_info_mpik(ctxt,iam,np)
|
|
#ifdef MPI_MOD
|
|
use mpi
|
|
#endif
|
|
implicit none
|
|
#ifdef MPI_H
|
|
include 'mpif.h'
|
|
#endif
|
|
|
|
type(psb_ctxt_type), intent(in) :: ctxt
|
|
integer(psb_mpk_), intent(out) :: iam, np
|
|
integer(psb_mpk_) :: info
|
|
!
|
|
! Simple caching scheme, keep track
|
|
! of the last CTXT encountered.
|
|
!
|
|
integer(psb_mpk_), save :: lctxt=-1, lam, lnp
|
|
|
|
!
|
|
! Note. There is NO way to ask MPI to check if
|
|
! a communicator handle is valid or not. Any
|
|
! call with an invalid handle will result in
|
|
! an error being thrown, and what happend
|
|
! depends on whether or not the error handler
|
|
! has been reset, which is a rather heavy-handed
|
|
! approach.
|
|
! This is why we transformed ICTXT
|
|
! into an opaque object containing an ALLOCATABLE
|
|
! (be it an integer or a TYPE(MPI_COMM) object)
|
|
! and use its allocation status to record whether
|
|
! it's valid or not.
|
|
!
|
|
|
|
#if defined(SERIAL_MPI)
|
|
iam = 0
|
|
np = 1
|
|
#else
|
|
iam = -1
|
|
np = -1
|
|
if (allocated(ctxt%ctxt)) then
|
|
if (ctxt%ctxt == lctxt) then
|
|
iam = lam
|
|
np = lnp
|
|
else
|
|
if (ctxt%ctxt /= mpi_comm_null) then
|
|
call mpi_comm_size(ctxt%ctxt,np,info)
|
|
if (info /= mpi_success) np = -1
|
|
if (info == mpi_success) call mpi_comm_rank(ctxt%ctxt,iam,info)
|
|
if (info /= mpi_success) iam = -1
|
|
end if
|
|
lctxt = ctxt%ctxt
|
|
lam = iam
|
|
lnp = np
|
|
end if
|
|
end if
|
|
#endif
|
|
end subroutine psb_info_mpik
|
|
|
|
|
|
function psb_m_get_mpi_comm(ctxt) result(comm)
|
|
type(psb_ctxt_type) :: ctxt
|
|
integer(psb_mpk_) :: comm
|
|
comm = mpi_comm_null
|
|
if (allocated(ctxt%ctxt)) comm = ctxt%ctxt
|
|
end function psb_m_get_mpi_comm
|
|
|
|
function psb_m_get_mpi_rank(ctxt,id) result(rank)
|
|
integer(psb_mpk_) :: rank
|
|
integer(psb_mpk_) :: id
|
|
type(psb_ctxt_type) :: ctxt
|
|
|
|
rank = id
|
|
end function psb_m_get_mpi_rank
|
|
|
|
subroutine psb_get_mpicomm(ctxt,comm)
|
|
type(psb_ctxt_type) :: ctxt
|
|
integer(psb_mpk_) :: comm
|
|
comm = mpi_comm_null
|
|
if (allocated(ctxt%ctxt)) comm = ctxt%ctxt
|
|
end subroutine psb_get_mpicomm
|
|
|
|
subroutine psb_get_rank(rank,ctxt,id)
|
|
type(psb_ctxt_type) :: ctxt
|
|
integer(psb_mpk_) :: rank,id
|
|
|
|
rank = psb_get_mpi_rank(ctxt,id)
|
|
end subroutine psb_get_rank
|
|
|
|
|
|
! !!!!!!!!!!!!!!!!!!!!!!
|
|
!
|
|
! Base binary operations
|
|
!
|
|
! Note: len & type are always default integer.
|
|
!
|
|
! !!!!!!!!!!!!!!!!!!!!!!
|
|
subroutine psi_mamx_op(inv, outv,len,type)
|
|
integer(psb_mpk_) :: inv(len), outv(len)
|
|
integer(psb_mpk_) :: len,type
|
|
integer(psb_mpk_) :: i
|
|
|
|
do i=1, len
|
|
if (abs(inv(i)) > abs(outv(i))) outv(i) = inv(i)
|
|
end do
|
|
end subroutine psi_mamx_op
|
|
|
|
subroutine psi_mamn_op(inv, outv,len,type)
|
|
integer(psb_mpk_) :: inv(len), outv(len)
|
|
integer(psb_mpk_) :: len,type
|
|
integer(psb_mpk_) :: i
|
|
|
|
do i=1, len
|
|
if (abs(inv(i)) < abs(outv(i))) outv(i) = inv(i)
|
|
end do
|
|
end subroutine psi_mamn_op
|
|
|
|
subroutine psi_eamx_op(inv, outv,len,type)
|
|
integer(psb_epk_) :: inv(len), outv(len)
|
|
integer(psb_mpk_) :: len,type
|
|
integer(psb_mpk_) :: i
|
|
|
|
do i=1, len
|
|
if (abs(inv(i)) > abs(outv(i))) outv(i) = inv(i)
|
|
end do
|
|
end subroutine psi_eamx_op
|
|
|
|
subroutine psi_eamn_op(inv, outv,len,type)
|
|
integer(psb_epk_) :: inv(len), outv(len)
|
|
integer(psb_mpk_) :: len,type
|
|
integer(psb_mpk_) :: i
|
|
|
|
do i=1, len
|
|
if (abs(inv(i)) < abs(outv(i))) outv(i) = inv(i)
|
|
end do
|
|
end subroutine psi_eamn_op
|
|
|
|
subroutine psi_samx_op(vin,vinout,len,itype)
|
|
integer(psb_mpk_), intent(in) :: len, itype
|
|
real(psb_spk_), intent(in) :: vin(len)
|
|
real(psb_spk_), intent(inout) :: vinout(len)
|
|
|
|
integer(psb_mpk_) :: i
|
|
do i=1, len
|
|
if (abs(vinout(i)) < abs(vin(i))) vinout(i) = vin(i)
|
|
end do
|
|
end subroutine psi_samx_op
|
|
|
|
subroutine psi_samn_op(vin,vinout,len,itype)
|
|
integer(psb_mpk_), intent(in) :: len, itype
|
|
real(psb_spk_), intent(in) :: vin(len)
|
|
real(psb_spk_), intent(inout) :: vinout(len)
|
|
|
|
integer(psb_mpk_) :: i
|
|
do i=1, len
|
|
if (abs(vinout(i)) > abs(vin(i))) vinout(i) = vin(i)
|
|
end do
|
|
end subroutine psi_samn_op
|
|
|
|
subroutine psi_damx_op(vin,vinout,len,itype)
|
|
integer(psb_mpk_), intent(in) :: len, itype
|
|
real(psb_dpk_), intent(in) :: vin(len)
|
|
real(psb_dpk_), intent(inout) :: vinout(len)
|
|
|
|
integer(psb_mpk_) :: i
|
|
do i=1, len
|
|
if (abs(vinout(i)) < abs(vin(i))) vinout(i) = vin(i)
|
|
end do
|
|
end subroutine psi_damx_op
|
|
|
|
subroutine psi_damn_op(vin,vinout,len,itype)
|
|
integer(psb_mpk_), intent(in) :: len, itype
|
|
real(psb_dpk_), intent(in) :: vin(len)
|
|
real(psb_dpk_), intent(inout) :: vinout(len)
|
|
|
|
integer(psb_mpk_) :: i
|
|
do i=1, len
|
|
if (abs(vinout(i)) > abs(vin(i))) vinout(i) = vin(i)
|
|
end do
|
|
end subroutine psi_damn_op
|
|
|
|
subroutine psi_camx_op(vin,vinout,len,itype)
|
|
integer(psb_mpk_), intent(in) :: len, itype
|
|
complex(psb_spk_), intent(in) :: vin(len)
|
|
complex(psb_spk_), intent(inout) :: vinout(len)
|
|
|
|
integer(psb_mpk_) :: i
|
|
do i=1, len
|
|
if (abs(vinout(i)) < abs(vin(i))) vinout(i) = vin(i)
|
|
end do
|
|
end subroutine psi_camx_op
|
|
|
|
subroutine psi_camn_op(vin,vinout,len,itype)
|
|
integer(psb_mpk_), intent(in) :: len, itype
|
|
complex(psb_spk_), intent(in) :: vin(len)
|
|
complex(psb_spk_), intent(inout) :: vinout(len)
|
|
|
|
integer(psb_mpk_) :: i
|
|
do i=1, len
|
|
if (abs(vinout(i)) > abs(vin(i))) vinout(i) = vin(i)
|
|
end do
|
|
end subroutine psi_camn_op
|
|
|
|
subroutine psi_zamx_op(vin,vinout,len,itype)
|
|
integer(psb_mpk_), intent(in) :: len, itype
|
|
complex(psb_dpk_), intent(in) :: vin(len)
|
|
complex(psb_dpk_), intent(inout) :: vinout(len)
|
|
|
|
integer(psb_mpk_) :: i
|
|
do i=1, len
|
|
if (abs(vinout(i)) < abs(vin(i))) vinout(i) = vin(i)
|
|
end do
|
|
end subroutine psi_zamx_op
|
|
|
|
subroutine psi_zamn_op(vin,vinout,len,itype)
|
|
integer(psb_mpk_), intent(in) :: len, itype
|
|
complex(psb_dpk_), intent(in) :: vin(len)
|
|
complex(psb_dpk_), intent(inout) :: vinout(len)
|
|
|
|
integer(psb_mpk_) :: i
|
|
do i=1, len
|
|
if (abs(vinout(i)) > abs(vin(i))) vinout(i) = vin(i)
|
|
end do
|
|
end subroutine psi_zamn_op
|
|
|
|
subroutine psi_snrm2_op(vin,vinout,len,itype)
|
|
implicit none
|
|
integer(psb_mpk_), intent(in) :: len, itype
|
|
real(psb_spk_), intent(in) :: vin(len)
|
|
real(psb_spk_), intent(inout) :: vinout(len)
|
|
|
|
integer(psb_mpk_) :: i
|
|
real(psb_spk_) :: w, z
|
|
do i=1, len
|
|
w = max( vin(i), vinout(i) )
|
|
z = min( vin(i), vinout(i) )
|
|
if ( z == szero ) then
|
|
vinout(i) = w
|
|
else
|
|
vinout(i) = w*sqrt( sone+( z / w )**2 )
|
|
end if
|
|
end do
|
|
end subroutine psi_snrm2_op
|
|
|
|
subroutine psi_dnrm2_op(vin,vinout,len,itype)
|
|
implicit none
|
|
integer(psb_mpk_), intent(in) :: len, itype
|
|
real(psb_dpk_), intent(in) :: vin(len)
|
|
real(psb_dpk_), intent(inout) :: vinout(len)
|
|
|
|
integer(psb_mpk_) :: i
|
|
real(psb_dpk_) :: w, z
|
|
do i=1, len
|
|
w = max( vin(i), vinout(i) )
|
|
z = min( vin(i), vinout(i) )
|
|
if ( z == dzero ) then
|
|
vinout(i) = w
|
|
else
|
|
vinout(i) = w*sqrt( done+( z / w )**2 )
|
|
end if
|
|
end do
|
|
end subroutine psi_dnrm2_op
|
|
|
|
|
|
end module psi_penv_mod
|