mirror of
https://github.com/sfilippone/psblas3.git
synced 2026-10-06 22:55:08 +00:00
New ext kernel dir.
This commit is contained in:
sfilippone
@@ -0,0 +1,48 @@
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TOPDIR=../..
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include $(TOPDIR)/Make.inc
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#
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# Libraries used
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#
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LIBDIR=$(TOPDIR)/lib/
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PSBLIBDIR=$(TOPDIR)/lib/
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OPTDIR=$(LIBDIR)
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PSBINCDIR=$(TOPDIR)/include
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PSBMODDIR=$(TOPDIR)/modules
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PSBLAS_LIB= -L$(LIBDIR) -L$(PSBLIBDIR) $(LPSB_CUDA) -lpsb_ext -lpsb_util -lpsb_base
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INCDIR=$(TOPDIR)/include
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MODDIR=$(TOPDIR)/modules
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LDLIBS=$(PSBGPULDLIBS)
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FINCLUDES=$(FMFLAG)$(MODDIR) $(FMFLAG)$(INCDIR) $(FMFLAG). $(FMFLAG)$(PSBMODDIR) $(FMFLAG)$(PSBINCDIR) $(LIBRSB_DEFINES)
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DPGOBJS=dpdegenmv.o data_input.o
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SPGOBJS=spdegenmv.o data_input.o
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EXEDIR=./runs
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all: dir pgen
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pgen: dpdegenmv spdegenmv
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dpdegenmv spdegenmv: dir
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dir:
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(if test ! -d $(EXEDIR); then mkdir $(EXEDIR); fi)
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dpdegenmv.o spdegenmv.o: data_input.o
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dpdegenmv: $(DPGOBJS)
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$(FLINK) $(LOPT) $(DPGOBJS) -o dpdegenmv $(FINCLUDES) $(PSBLAS_LIB) $(LDLIBS) -lstdc++
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/bin/mv dpdegenmv $(EXEDIR)
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spdegenmv: $(SPGOBJS)
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$(FLINK) $(LOPT) $(SPGOBJS) -o spdegenmv $(PSBLAS_LIB) $(LDLIBS)
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/bin/mv spdegenmv $(EXEDIR)
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clean:
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/bin/rm -f $(DTOBJS) $(STOBJS) $(DPGOBJS) $(SPGOBJS) $(ZTOBJS) $(CTOBJS) \
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$(EXEDIR)/dpdegenmv $(EXEDIR)/spdegenmv *mod
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lib:
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(cd ../../; make library)
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verycleanlib:
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(cd ../../; make veryclean)
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%.o: %.F90
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$(FC) $(FFLAGS) $(FCOPT) $(FINCLUDES) $(FCUDEFINES) -c $< -o $@
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%.o: %.f90
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$(FC) $(FFLAGS) $(FCOPT) $(FINCLUDES) $(FCUDEFINES) -c $< -o $@
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@@ -0,0 +1,221 @@
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!
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!
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! MLD2P4 version 2.0
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! MultiLevel Domain Decomposition Parallel Preconditioners Package
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! based on PSBLAS (Parallel Sparse BLAS version 3.0)
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!
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! (C) Copyright 2008,2009,2010
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!
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! Salvatore Filippone
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! Alfredo Buttari
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! Pasqua D'Ambra
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! Daniela di Serafino
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!
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! Redistribution and use in source and binary forms, with or without
|
||||
! modification, are permitted provided that the following conditions
|
||||
! are met:
|
||||
! 1. Redistributions of source code must retain the above copyright
|
||||
! notice, this list of conditions and the following disclaimer.
|
||||
! 2. Redistributions in binary form must reproduce the above copyright
|
||||
! notice, this list of conditions, and the following disclaimer in the
|
||||
! documentation and/or other materials provided with the distribution.
|
||||
! 3. The name of the MLD2P4 group or the names of its contributors may
|
||||
! not be used to endorse or promote products derived from this
|
||||
! software without specific prior written permission.
|
||||
!
|
||||
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE MLD2P4 GROUP OR ITS CONTRIBUTORS
|
||||
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
! POSSIBILITY OF SUCH DAMAGE.
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!
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!
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module data_input
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interface read_data
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module procedure read_char, read_int,&
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& read_double, read_single, read_logical,&
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& string_read_char, string_read_int,&
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& string_read_double, string_read_single, &
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& string_read_logical
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end interface read_data
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interface trim_string
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module procedure trim_string
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end interface
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character(len=4096), private :: charbuf
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character, private, parameter :: def_marker="!"
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contains
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subroutine read_logical(val,file,marker)
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logical, intent(out) :: val
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integer, intent(in) :: file
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character(len=1), optional, intent(in) :: marker
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read(file,'(a)')charbuf
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call read_data(val,charbuf,marker)
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end subroutine read_logical
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subroutine read_char(val,file,marker)
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character(len=*), intent(out) :: val
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integer, intent(in) :: file
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character(len=1), optional, intent(in) :: marker
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read(file,'(a)')charbuf
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call read_data(val,charbuf,marker)
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end subroutine read_char
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subroutine read_int(val,file,marker)
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integer, intent(out) :: val
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integer, intent(in) :: file
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character(len=1), optional, intent(in) :: marker
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read(file,'(a)')charbuf
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call read_data(val,charbuf,marker)
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end subroutine read_int
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subroutine read_single(val,file,marker)
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use psb_base_mod
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real(psb_spk_), intent(out) :: val
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integer, intent(in) :: file
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character(len=1), optional, intent(in) :: marker
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read(file,'(a)')charbuf
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call read_data(val,charbuf,marker)
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end subroutine read_single
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subroutine read_double(val,file,marker)
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use psb_base_mod
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real(psb_dpk_), intent(out) :: val
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integer, intent(in) :: file
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character(len=1), optional, intent(in) :: marker
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read(file,'(a)')charbuf
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call read_data(val,charbuf,marker)
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end subroutine read_double
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subroutine string_read_char(val,file,marker)
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character(len=*), intent(out) :: val
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character(len=*), intent(in) :: file
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character(len=1), optional, intent(in) :: marker
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character(len=1) :: marker_
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character(len=1024) :: charbuf
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integer :: idx
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if (present(marker)) then
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marker_ = marker
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else
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marker_ = def_marker
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end if
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read(file,'(a)')charbuf
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charbuf = adjustl(charbuf)
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idx=index(charbuf,marker_)
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if (idx == 0) idx = len(charbuf)+1
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read(charbuf(1:idx-1),'(a)') val
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end subroutine string_read_char
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subroutine string_read_int(val,file,marker)
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integer, intent(out) :: val
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character(len=*), intent(in) :: file
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character(len=1), optional, intent(in) :: marker
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character(len=1) :: marker_
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character(len=1024) :: charbuf
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integer :: idx
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if (present(marker)) then
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marker_ = marker
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else
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marker_ = def_marker
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end if
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read(file,'(a)')charbuf
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charbuf = adjustl(charbuf)
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idx=index(charbuf,marker_)
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if (idx == 0) idx = len(charbuf)+1
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read(charbuf(1:idx-1),*) val
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end subroutine string_read_int
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subroutine string_read_single(val,file,marker)
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use psb_base_mod
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real(psb_spk_), intent(out) :: val
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character(len=*), intent(in) :: file
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character(len=1), optional, intent(in) :: marker
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character(len=1) :: marker_
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character(len=1024) :: charbuf
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integer :: idx
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if (present(marker)) then
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marker_ = marker
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else
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marker_ = def_marker
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end if
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read(file,'(a)')charbuf
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charbuf = adjustl(charbuf)
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idx=index(charbuf,marker_)
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if (idx == 0) idx = len(charbuf)+1
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read(charbuf(1:idx-1),*) val
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end subroutine string_read_single
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subroutine string_read_double(val,file,marker)
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use psb_base_mod
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real(psb_dpk_), intent(out) :: val
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character(len=*), intent(in) :: file
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character(len=1), optional, intent(in) :: marker
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character(len=1) :: marker_
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character(len=1024) :: charbuf
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integer :: idx
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if (present(marker)) then
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marker_ = marker
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else
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marker_ = def_marker
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end if
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read(file,'(a)')charbuf
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charbuf = adjustl(charbuf)
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idx=index(charbuf,marker_)
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if (idx == 0) idx = len(charbuf)+1
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read(charbuf(1:idx-1),*) val
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end subroutine string_read_double
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subroutine string_read_logical(val,file,marker)
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use psb_base_mod
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logical, intent(out) :: val
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character(len=*), intent(in) :: file
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character(len=1), optional, intent(in) :: marker
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character(len=1) :: marker_
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character(len=1024) :: charbuf
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integer :: idx
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if (present(marker)) then
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marker_ = marker
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else
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marker_ = def_marker
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end if
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read(file,'(a)')charbuf
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charbuf = adjustl(charbuf)
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idx=index(charbuf,marker_)
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if (idx == 0) idx = len(charbuf)+1
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read(charbuf(1:idx-1),*) val
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end subroutine string_read_logical
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function trim_string(string,marker)
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character(len=*), intent(in) :: string
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character(len=1), optional, intent(in) :: marker
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character(len=len(string)) :: trim_string
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character(len=1) :: marker_
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integer :: idx
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if (present(marker)) then
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marker_ = marker
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else
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marker_ = def_marker
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end if
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idx=index(string,marker_)
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trim_string = adjustl(string(idx:))
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end function trim_string
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end module data_input
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File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,998 @@
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!
|
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! Parallel Sparse BLAS GPU plugin
|
||||
! (C) Copyright 2013
|
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! Salvatore Filippone
|
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! Alessandro Fanfarillo
|
||||
!
|
||||
! Redistribution and use in source and binary forms, with or without
|
||||
! modification, are permitted provided that the following conditions
|
||||
! are met:
|
||||
! 1. Redistributions of source code must retain the above copyright
|
||||
! notice, this list of conditions and the following disclaimer.
|
||||
! 2. Redistributions in binary form must reproduce the above copyright
|
||||
! notice, this list of conditions, and the following disclaimer in the
|
||||
! documentation and/or other materials provided with the distribution.
|
||||
! 3. The name of the PSBLAS group or the names of its contributors may
|
||||
! not be used to endorse or promote products derived from this
|
||||
! software without specific prior written permission.
|
||||
!
|
||||
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
|
||||
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
! POSSIBILITY OF SUCH DAMAGE.
|
||||
!
|
||||
!
|
||||
! File: spdegenmv.f90
|
||||
!
|
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! Program: pdegenmv
|
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! This sample program measures the performance of the matrix-vector product.
|
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! The matrix is generated in the same way as for the pdegen test case of
|
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! the main PSBLAS library.
|
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!
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!
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module psb_s_pde3d_mod
|
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|
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|
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use psb_base_mod, only : psb_spk_, psb_ipk_, psb_lpk_, psb_desc_type,&
|
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& psb_sspmat_type, psb_s_vect_type, szero,&
|
||||
& psb_s_base_sparse_mat, psb_s_base_vect_type, &
|
||||
& psb_i_base_vect_type, psb_l_base_vect_type
|
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|
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interface
|
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function s_func_3d(x,y,z) result(val)
|
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import :: psb_spk_
|
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real(psb_spk_), intent(in) :: x,y,z
|
||||
real(psb_spk_) :: val
|
||||
end function s_func_3d
|
||||
end interface
|
||||
|
||||
interface psb_gen_pde3d
|
||||
module procedure psb_s_gen_pde3d
|
||||
end interface psb_gen_pde3d
|
||||
|
||||
contains
|
||||
|
||||
function s_null_func_3d(x,y,z) result(val)
|
||||
|
||||
real(psb_spk_), intent(in) :: x,y,z
|
||||
real(psb_spk_) :: val
|
||||
|
||||
val = szero
|
||||
|
||||
end function s_null_func_3d
|
||||
!
|
||||
! functions parametrizing the differential equation
|
||||
!
|
||||
function b1(x,y,z)
|
||||
use psb_base_mod, only : psb_spk_, sone, szero
|
||||
implicit none
|
||||
real(psb_spk_) :: b1
|
||||
real(psb_spk_), intent(in) :: x,y,z
|
||||
b1=sone/sqrt((3*sone))
|
||||
end function b1
|
||||
function b2(x,y,z)
|
||||
use psb_base_mod, only : psb_spk_, sone, szero
|
||||
implicit none
|
||||
real(psb_spk_) :: b2
|
||||
real(psb_spk_), intent(in) :: x,y,z
|
||||
b2=sone/sqrt((3*sone))
|
||||
end function b2
|
||||
function b3(x,y,z)
|
||||
use psb_base_mod, only : psb_spk_, sone, szero
|
||||
implicit none
|
||||
real(psb_spk_) :: b3
|
||||
real(psb_spk_), intent(in) :: x,y,z
|
||||
b3=sone/sqrt((3*sone))
|
||||
end function b3
|
||||
function c(x,y,z)
|
||||
use psb_base_mod, only : psb_spk_, sone, szero
|
||||
implicit none
|
||||
real(psb_spk_) :: c
|
||||
real(psb_spk_), intent(in) :: x,y,z
|
||||
c=szero
|
||||
end function c
|
||||
function a1(x,y,z)
|
||||
use psb_base_mod, only : psb_spk_, sone, szero
|
||||
implicit none
|
||||
real(psb_spk_) :: a1
|
||||
real(psb_spk_), intent(in) :: x,y,z
|
||||
a1=sone/80
|
||||
end function a1
|
||||
function a2(x,y,z)
|
||||
use psb_base_mod, only : psb_spk_, sone, szero
|
||||
implicit none
|
||||
real(psb_spk_) :: a2
|
||||
real(psb_spk_), intent(in) :: x,y,z
|
||||
a2=sone/80
|
||||
end function a2
|
||||
function a3(x,y,z)
|
||||
use psb_base_mod, only : psb_spk_, sone, szero
|
||||
implicit none
|
||||
real(psb_spk_) :: a3
|
||||
real(psb_spk_), intent(in) :: x,y,z
|
||||
a3=sone/80
|
||||
end function a3
|
||||
function g(x,y,z)
|
||||
use psb_base_mod, only : psb_spk_, sone, szero
|
||||
implicit none
|
||||
real(psb_spk_) :: g
|
||||
real(psb_spk_), intent(in) :: x,y,z
|
||||
g = szero
|
||||
if (x == sone) then
|
||||
g = sone
|
||||
else if (x == szero) then
|
||||
g = exp(y**2-z**2)
|
||||
end if
|
||||
end function g
|
||||
|
||||
|
||||
!
|
||||
! subroutine to allocate and fill in the coefficient matrix and
|
||||
! the rhs.
|
||||
!
|
||||
subroutine psb_s_gen_pde3d(ctxt,idim,a,bv,xv,desc_a,afmt,info,&
|
||||
& f,amold,vmold,imold,partition,nrl,iv)
|
||||
use psb_base_mod
|
||||
use psb_util_mod
|
||||
!
|
||||
! Discretizes the partial differential equation
|
||||
!
|
||||
! a1 dd(u) a2 dd(u) a3 dd(u) b1 d(u) b2 d(u) b3 d(u)
|
||||
! - ------ - ------ - ------ + ----- + ------ + ------ + c u = f
|
||||
! dxdx dydy dzdz dx dy dz
|
||||
!
|
||||
! with Dirichlet boundary conditions
|
||||
! u = g
|
||||
!
|
||||
! on the unit cube 0<=x,y,z<=1.
|
||||
!
|
||||
!
|
||||
! Note that if b1=b2=b3=c=0., the PDE is the Laplace equation.
|
||||
!
|
||||
implicit none
|
||||
integer(psb_ipk_) :: idim
|
||||
type(psb_sspmat_type) :: a
|
||||
type(psb_s_vect_type) :: xv,bv
|
||||
type(psb_desc_type) :: desc_a
|
||||
type(psb_ctxt_type) :: ctxt
|
||||
integer(psb_ipk_) :: info
|
||||
character(len=*) :: afmt
|
||||
procedure(s_func_3d), optional :: f
|
||||
class(psb_s_base_sparse_mat), optional :: amold
|
||||
class(psb_s_base_vect_type), optional :: vmold
|
||||
class(psb_i_base_vect_type), optional :: imold
|
||||
integer(psb_ipk_), optional :: partition, nrl,iv(:)
|
||||
|
||||
! Local variables.
|
||||
|
||||
integer(psb_ipk_), parameter :: nb=20
|
||||
type(psb_s_csc_sparse_mat) :: acsc
|
||||
type(psb_s_coo_sparse_mat) :: acoo
|
||||
type(psb_s_csr_sparse_mat) :: acsr
|
||||
real(psb_spk_) :: zt(nb),x,y,z
|
||||
integer(psb_ipk_) :: nnz,nr,nlr,i,j,ii,ib,k, partition_
|
||||
integer(psb_lpk_) :: m,n,glob_row,nt
|
||||
integer(psb_ipk_) :: ix,iy,iz,ia,indx_owner
|
||||
! For 3D partition
|
||||
! Note: integer control variables going directly into an MPI call
|
||||
! must be 4 bytes, i.e. psb_mpk_
|
||||
integer(psb_mpk_) :: npdims(3), npp, minfo
|
||||
integer(psb_ipk_) :: npx,npy,npz, iamx,iamy,iamz,mynx,myny,mynz
|
||||
integer(psb_ipk_), allocatable :: bndx(:),bndy(:),bndz(:)
|
||||
! Process grid
|
||||
integer(psb_ipk_) :: np, iam
|
||||
integer(psb_ipk_) :: icoeff
|
||||
integer(psb_lpk_), allocatable :: irow(:),icol(:),myidx(:)
|
||||
real(psb_spk_), allocatable :: val(:)
|
||||
! deltah dimension of each grid cell
|
||||
! deltat discretization time
|
||||
real(psb_spk_) :: deltah, sqdeltah, deltah2
|
||||
real(psb_spk_), parameter :: rhs=szero,one=sone,zero=szero
|
||||
real(psb_dpk_) :: t0, t1, t2, t3, tasb, talc, ttot, tgen, tcdasb
|
||||
integer(psb_ipk_) :: err_act
|
||||
procedure(s_func_3d), pointer :: f_
|
||||
character(len=20) :: name, ch_err,tmpfmt
|
||||
|
||||
info = psb_success_
|
||||
name = 'create_matrix'
|
||||
call psb_erractionsave(err_act)
|
||||
|
||||
call psb_info(ctxt, iam, np)
|
||||
|
||||
|
||||
if (present(f)) then
|
||||
f_ => f
|
||||
else
|
||||
f_ => s_null_func_3d
|
||||
end if
|
||||
|
||||
deltah = sone/(idim+2)
|
||||
sqdeltah = deltah*deltah
|
||||
deltah2 = (2*sone)* deltah
|
||||
|
||||
if (present(partition)) then
|
||||
if ((1<= partition).and.(partition <= 3)) then
|
||||
partition_ = partition
|
||||
else
|
||||
write(*,*) 'Invalid partition choice ',partition,' defaulting to 3'
|
||||
partition_ = 3
|
||||
end if
|
||||
else
|
||||
partition_ = 3
|
||||
end if
|
||||
|
||||
! initialize array descriptor and sparse matrix storage. provide an
|
||||
! estimate of the number of non zeroes
|
||||
|
||||
m = (1_psb_lpk_*idim)*idim*idim
|
||||
n = m
|
||||
nnz = ((n*7)/(np))
|
||||
if(iam == psb_root_) write(psb_out_unit,'("Generating Matrix (size=",i0,")...")')n
|
||||
t0 = psb_wtime()
|
||||
select case(partition_)
|
||||
case(1)
|
||||
! A BLOCK partition
|
||||
if (present(nrl)) then
|
||||
nr = nrl
|
||||
else
|
||||
!
|
||||
! Using a simple BLOCK distribution.
|
||||
!
|
||||
nt = (m+np-1)/np
|
||||
nr = max(0,min(nt,m-(iam*nt)))
|
||||
end if
|
||||
|
||||
nt = nr
|
||||
call psb_sum(ctxt,nt)
|
||||
if (nt /= m) then
|
||||
write(psb_err_unit,*) iam, 'Initialization error ',nr,nt,m
|
||||
info = -1
|
||||
call psb_barrier(ctxt)
|
||||
call psb_abort(ctxt)
|
||||
return
|
||||
end if
|
||||
|
||||
!
|
||||
! First example of use of CDALL: specify for each process a number of
|
||||
! contiguous rows
|
||||
!
|
||||
call psb_cdall(ctxt,desc_a,info,nl=nr)
|
||||
myidx = desc_a%get_global_indices()
|
||||
nlr = size(myidx)
|
||||
|
||||
case(2)
|
||||
! A partition defined by the user through IV
|
||||
|
||||
if (present(iv)) then
|
||||
if (size(iv) /= m) then
|
||||
write(psb_err_unit,*) iam, 'Initialization error: wrong IV size',size(iv),m
|
||||
info = -1
|
||||
call psb_barrier(ctxt)
|
||||
call psb_abort(ctxt)
|
||||
return
|
||||
end if
|
||||
else
|
||||
write(psb_err_unit,*) iam, 'Initialization error: IV not present'
|
||||
info = -1
|
||||
call psb_barrier(ctxt)
|
||||
call psb_abort(ctxt)
|
||||
return
|
||||
end if
|
||||
|
||||
!
|
||||
! Second example of use of CDALL: specify for each row the
|
||||
! process that owns it
|
||||
!
|
||||
call psb_cdall(ctxt,desc_a,info,vg=iv)
|
||||
myidx = desc_a%get_global_indices()
|
||||
nlr = size(myidx)
|
||||
|
||||
case(3)
|
||||
! A 3-dimensional partition
|
||||
|
||||
! A nifty MPI function will split the process list
|
||||
npdims = 0
|
||||
call mpi_dims_create(np,3,npdims,info)
|
||||
npx = npdims(1)
|
||||
npy = npdims(2)
|
||||
npz = npdims(3)
|
||||
|
||||
allocate(bndx(0:npx),bndy(0:npy),bndz(0:npz))
|
||||
! We can reuse idx2ijk for process indices as well.
|
||||
call idx2ijk(iamx,iamy,iamz,iam,npx,npy,npz,base=0)
|
||||
! Now let's split the 3D cube in hexahedra
|
||||
call dist1Didx(bndx,idim,npx)
|
||||
mynx = bndx(iamx+1)-bndx(iamx)
|
||||
call dist1Didx(bndy,idim,npy)
|
||||
myny = bndy(iamy+1)-bndy(iamy)
|
||||
call dist1Didx(bndz,idim,npz)
|
||||
mynz = bndz(iamz+1)-bndz(iamz)
|
||||
|
||||
! How many indices do I own?
|
||||
nlr = mynx*myny*mynz
|
||||
allocate(myidx(nlr))
|
||||
! Now, let's generate the list of indices I own
|
||||
nr = 0
|
||||
do i=bndx(iamx),bndx(iamx+1)-1
|
||||
do j=bndy(iamy),bndy(iamy+1)-1
|
||||
do k=bndz(iamz),bndz(iamz+1)-1
|
||||
nr = nr + 1
|
||||
call ijk2idx(myidx(nr),i,j,k,idim,idim,idim)
|
||||
end do
|
||||
end do
|
||||
end do
|
||||
if (nr /= nlr) then
|
||||
write(psb_err_unit,*) iam,iamx,iamy,iamz, 'Initialization error: NR vs NLR ',&
|
||||
& nr,nlr,mynx,myny,mynz
|
||||
info = -1
|
||||
call psb_barrier(ctxt)
|
||||
call psb_abort(ctxt)
|
||||
end if
|
||||
|
||||
!
|
||||
! Third example of use of CDALL: specify for each process
|
||||
! the set of global indices it owns.
|
||||
!
|
||||
call psb_cdall(ctxt,desc_a,info,vl=myidx)
|
||||
|
||||
case default
|
||||
write(psb_err_unit,*) iam, 'Initialization error: should not get here'
|
||||
info = -1
|
||||
call psb_barrier(ctxt)
|
||||
call psb_abort(ctxt)
|
||||
return
|
||||
end select
|
||||
|
||||
|
||||
if (info == psb_success_) call psb_spall(a,desc_a,info,nnz=nnz,&
|
||||
& dupl=psb_dupl_err_)
|
||||
! define rhs from boundary conditions; also build initial guess
|
||||
if (info == psb_success_) call psb_geall(xv,desc_a,info)
|
||||
if (info == psb_success_) call psb_geall(bv,desc_a,info)
|
||||
|
||||
call psb_barrier(ctxt)
|
||||
talc = psb_wtime()-t0
|
||||
|
||||
if (info /= psb_success_) then
|
||||
info=psb_err_from_subroutine_
|
||||
ch_err='allocation rout.'
|
||||
call psb_errpush(info,name,a_err=ch_err)
|
||||
goto 9999
|
||||
end if
|
||||
|
||||
! we build an auxiliary matrix consisting of one row at a
|
||||
! time; just a small matrix. might be extended to generate
|
||||
! a bunch of rows per call.
|
||||
!
|
||||
allocate(val(20*nb),irow(20*nb),&
|
||||
&icol(20*nb),stat=info)
|
||||
if (info /= psb_success_ ) then
|
||||
info=psb_err_alloc_dealloc_
|
||||
call psb_errpush(info,name)
|
||||
goto 9999
|
||||
endif
|
||||
|
||||
|
||||
! loop over rows belonging to current process in a block
|
||||
! distribution.
|
||||
|
||||
call psb_barrier(ctxt)
|
||||
t1 = psb_wtime()
|
||||
do ii=1, nlr,nb
|
||||
ib = min(nb,nlr-ii+1)
|
||||
icoeff = 1
|
||||
do k=1,ib
|
||||
i=ii+k-1
|
||||
! local matrix pointer
|
||||
glob_row=myidx(i)
|
||||
! compute gridpoint coordinates
|
||||
call idx2ijk(ix,iy,iz,glob_row,idim,idim,idim)
|
||||
! x, y, z coordinates
|
||||
x = (ix-1)*deltah
|
||||
y = (iy-1)*deltah
|
||||
z = (iz-1)*deltah
|
||||
zt(k) = f_(x,y,z)
|
||||
! internal point: build discretization
|
||||
!
|
||||
! term depending on (x-1,y,z)
|
||||
!
|
||||
val(icoeff) = -a1(x,y,z)/sqdeltah-b1(x,y,z)/deltah2
|
||||
if (ix == 1) then
|
||||
zt(k) = g(szero,y,z)*(-val(icoeff)) + zt(k)
|
||||
else
|
||||
call ijk2idx(icol(icoeff),ix-1,iy,iz,idim,idim,idim)
|
||||
irow(icoeff) = glob_row
|
||||
icoeff = icoeff+1
|
||||
endif
|
||||
! term depending on (x,y-1,z)
|
||||
val(icoeff) = -a2(x,y,z)/sqdeltah-b2(x,y,z)/deltah2
|
||||
if (iy == 1) then
|
||||
zt(k) = g(x,szero,z)*(-val(icoeff)) + zt(k)
|
||||
else
|
||||
call ijk2idx(icol(icoeff),ix,iy-1,iz,idim,idim,idim)
|
||||
irow(icoeff) = glob_row
|
||||
icoeff = icoeff+1
|
||||
endif
|
||||
! term depending on (x,y,z-1)
|
||||
val(icoeff)=-a3(x,y,z)/sqdeltah-b3(x,y,z)/deltah2
|
||||
if (iz == 1) then
|
||||
zt(k) = g(x,y,szero)*(-val(icoeff)) + zt(k)
|
||||
else
|
||||
call ijk2idx(icol(icoeff),ix,iy,iz-1,idim,idim,idim)
|
||||
irow(icoeff) = glob_row
|
||||
icoeff = icoeff+1
|
||||
endif
|
||||
|
||||
! term depending on (x,y,z)
|
||||
val(icoeff)=(2*sone)*(a1(x,y,z)+a2(x,y,z)+a3(x,y,z))/sqdeltah &
|
||||
& + c(x,y,z)
|
||||
call ijk2idx(icol(icoeff),ix,iy,iz,idim,idim,idim)
|
||||
irow(icoeff) = glob_row
|
||||
icoeff = icoeff+1
|
||||
! term depending on (x,y,z+1)
|
||||
val(icoeff)=-a3(x,y,z)/sqdeltah+b3(x,y,z)/deltah2
|
||||
if (iz == idim) then
|
||||
zt(k) = g(x,y,sone)*(-val(icoeff)) + zt(k)
|
||||
else
|
||||
call ijk2idx(icol(icoeff),ix,iy,iz+1,idim,idim,idim)
|
||||
irow(icoeff) = glob_row
|
||||
icoeff = icoeff+1
|
||||
endif
|
||||
! term depending on (x,y+1,z)
|
||||
val(icoeff)=-a2(x,y,z)/sqdeltah+b2(x,y,z)/deltah2
|
||||
if (iy == idim) then
|
||||
zt(k) = g(x,sone,z)*(-val(icoeff)) + zt(k)
|
||||
else
|
||||
call ijk2idx(icol(icoeff),ix,iy+1,iz,idim,idim,idim)
|
||||
irow(icoeff) = glob_row
|
||||
icoeff = icoeff+1
|
||||
endif
|
||||
! term depending on (x+1,y,z)
|
||||
val(icoeff)=-a1(x,y,z)/sqdeltah+b1(x,y,z)/deltah2
|
||||
if (ix==idim) then
|
||||
zt(k) = g(sone,y,z)*(-val(icoeff)) + zt(k)
|
||||
else
|
||||
call ijk2idx(icol(icoeff),ix+1,iy,iz,idim,idim,idim)
|
||||
irow(icoeff) = glob_row
|
||||
icoeff = icoeff+1
|
||||
endif
|
||||
|
||||
end do
|
||||
call psb_spins(icoeff-1,irow,icol,val,a,desc_a,info)
|
||||
if(info /= psb_success_) exit
|
||||
call psb_geins(ib,myidx(ii:ii+ib-1),zt(1:ib),bv,desc_a,info)
|
||||
if(info /= psb_success_) exit
|
||||
zt(:)=szero
|
||||
call psb_geins(ib,myidx(ii:ii+ib-1),zt(1:ib),xv,desc_a,info)
|
||||
if(info /= psb_success_) exit
|
||||
end do
|
||||
|
||||
tgen = psb_wtime()-t1
|
||||
if(info /= psb_success_) then
|
||||
info=psb_err_from_subroutine_
|
||||
ch_err='insert rout.'
|
||||
call psb_errpush(info,name,a_err=ch_err)
|
||||
goto 9999
|
||||
end if
|
||||
|
||||
deallocate(val,irow,icol)
|
||||
|
||||
call psb_barrier(ctxt)
|
||||
t1 = psb_wtime()
|
||||
call psb_cdasb(desc_a,info,mold=imold)
|
||||
tcdasb = psb_wtime()-t1
|
||||
call psb_barrier(ctxt)
|
||||
t1 = psb_wtime()
|
||||
if (info == psb_success_) then
|
||||
if (present(amold)) then
|
||||
call psb_spasb(a,desc_a,info,mold=amold)
|
||||
else
|
||||
call psb_spasb(a,desc_a,info,afmt=afmt)
|
||||
end if
|
||||
end if
|
||||
call psb_barrier(ctxt)
|
||||
if(info /= psb_success_) then
|
||||
info=psb_err_from_subroutine_
|
||||
ch_err='asb rout.'
|
||||
call psb_errpush(info,name,a_err=ch_err)
|
||||
goto 9999
|
||||
end if
|
||||
if (info == psb_success_) call psb_geasb(xv,desc_a,info,mold=vmold)
|
||||
if (info == psb_success_) call psb_geasb(bv,desc_a,info,mold=vmold)
|
||||
if(info /= psb_success_) then
|
||||
info=psb_err_from_subroutine_
|
||||
ch_err='asb rout.'
|
||||
call psb_errpush(info,name,a_err=ch_err)
|
||||
goto 9999
|
||||
end if
|
||||
tasb = psb_wtime()-t1
|
||||
call psb_barrier(ctxt)
|
||||
ttot = psb_wtime() - t0
|
||||
|
||||
call psb_amx(ctxt,talc)
|
||||
call psb_amx(ctxt,tgen)
|
||||
call psb_amx(ctxt,tasb)
|
||||
call psb_amx(ctxt,ttot)
|
||||
if(iam == psb_root_) then
|
||||
tmpfmt = a%get_fmt()
|
||||
write(psb_out_unit,'("The matrix has been generated and assembled in ",a3," format.")')&
|
||||
& tmpfmt
|
||||
write(psb_out_unit,'("-allocation time : ",es12.5)') talc
|
||||
write(psb_out_unit,'("-coeff. gen. time : ",es12.5)') tgen
|
||||
write(psb_out_unit,'("-desc asbly time : ",es12.5)') tcdasb
|
||||
write(psb_out_unit,'("- mat asbly time : ",es12.5)') tasb
|
||||
write(psb_out_unit,'("-total time : ",es12.5)') ttot
|
||||
|
||||
end if
|
||||
call psb_erractionrestore(err_act)
|
||||
return
|
||||
|
||||
9999 call psb_error_handler(ctxt,err_act)
|
||||
|
||||
return
|
||||
end subroutine psb_s_gen_pde3d
|
||||
|
||||
|
||||
end module psb_s_pde3d_mod
|
||||
|
||||
|
||||
program pdgenmv
|
||||
use psb_base_mod
|
||||
use psb_util_mod
|
||||
use psb_ext_mod
|
||||
#ifdef PSB_HAVE_CUDA
|
||||
use psb_cuda_mod
|
||||
#endif
|
||||
use psb_s_pde3d_mod
|
||||
implicit none
|
||||
|
||||
! input parameters
|
||||
character(len=5) :: acfmt, agfmt
|
||||
integer :: idim
|
||||
|
||||
! miscellaneous
|
||||
real(psb_spk_), parameter :: one = 1.e0
|
||||
real(psb_dpk_) :: t1, t2, tprec, flops, tflops,&
|
||||
& tt1, tt2, gt1, gt2, gflops, bdwdth,&
|
||||
& tcnvcsr, tcnvc1, tcnvgpu, tcnvg1
|
||||
|
||||
! sparse matrix and preconditioner
|
||||
type(psb_sspmat_type) :: a, agpu, aux_a
|
||||
! descriptor
|
||||
type(psb_desc_type) :: desc_a
|
||||
! dense matrices
|
||||
type(psb_s_vect_type), target :: xv,bv, xg, bg
|
||||
#ifdef PSB_HAVE_CUDA
|
||||
type(psb_s_vect_cuda) :: vmold
|
||||
type(psb_i_vect_cuda) :: imold
|
||||
#endif
|
||||
real(psb_spk_), allocatable :: x1(:), x2(:), x0(:)
|
||||
! blacs parameters
|
||||
type(psb_ctxt_type) :: ctxt
|
||||
integer :: iam, np
|
||||
|
||||
! solver parameters
|
||||
integer(psb_epk_) :: amatsize, precsize, descsize, annz, nbytes
|
||||
real(psb_spk_) :: err, eps, tnv, tng,tdot, snrm2,sdot
|
||||
integer, parameter :: ntests=8, ngpu=2, ncnv=3
|
||||
type(psb_s_coo_sparse_mat), target :: acoo
|
||||
type(psb_s_csr_sparse_mat), target :: acsr
|
||||
type(psb_s_ell_sparse_mat), target :: aell
|
||||
type(psb_s_hll_sparse_mat), target :: ahll
|
||||
type(psb_s_dia_sparse_mat), target :: adia
|
||||
type(psb_s_hdia_sparse_mat), target :: ahdia
|
||||
#ifdef PSB_HAVE_CUDA
|
||||
type(psb_s_cuda_elg_sparse_mat), target :: aelg
|
||||
type(psb_s_cuda_csrg_sparse_mat), target :: acsrg
|
||||
#if PSB_CUDA_SHORT_VERSION <= 10
|
||||
type(psb_s_cuda_hybg_sparse_mat), target :: ahybg
|
||||
#endif
|
||||
type(psb_s_cuda_hlg_sparse_mat), target :: ahlg
|
||||
type(psb_s_cuda_hdiag_sparse_mat), target :: ahdiag
|
||||
type(psb_s_cuda_dnsg_sparse_mat), target :: adnsg
|
||||
#endif
|
||||
class(psb_s_base_sparse_mat), pointer :: agmold, acmold
|
||||
! other variables
|
||||
logical, parameter :: dump=.false.
|
||||
integer(psb_ipk_) :: info, i, j, nr, nrg
|
||||
integer(psb_lpk_) :: ig
|
||||
character(len=20) :: name,ch_err
|
||||
character(len=40) :: fname
|
||||
|
||||
info=psb_success_
|
||||
|
||||
|
||||
call psb_init(ctxt)
|
||||
call psb_info(ctxt,iam,np)
|
||||
|
||||
#ifdef PSB_HAVE_CUDA
|
||||
call psb_cuda_init(ctxt)
|
||||
#endif
|
||||
#ifdef HAVE_RSB
|
||||
call psb_rsb_init()
|
||||
#endif
|
||||
|
||||
if (iam < 0) then
|
||||
! This should not happen, but just in case
|
||||
call psb_exit(ctxt)
|
||||
stop
|
||||
endif
|
||||
if(psb_get_errstatus() /= 0) goto 9999
|
||||
name='pdegenmv-cuda'
|
||||
!
|
||||
! Hello world
|
||||
!
|
||||
if (iam == psb_root_) then
|
||||
write(*,*) 'Welcome to PSBLAS version: ',psb_version_string_
|
||||
write(*,*) 'This is the ',trim(name),' sample program'
|
||||
end if
|
||||
#ifdef PSB_HAVE_CUDA
|
||||
write(*,*) 'Process ',iam,' running on device: ', psb_cuda_getDevice(),' out of', psb_cuda_getDeviceCount()
|
||||
write(*,*) 'Process ',iam,' device ', psb_cuda_getDevice(),' is a: ', trim(psb_cuda_DeviceName())
|
||||
#endif
|
||||
!
|
||||
! get parameters
|
||||
!
|
||||
call get_parms(ctxt,acfmt,agfmt,idim)
|
||||
|
||||
!
|
||||
! allocate and fill in the coefficient matrix and initial vectors
|
||||
!
|
||||
call psb_barrier(ctxt)
|
||||
t1 = psb_wtime()
|
||||
call psb_gen_pde3d(ctxt,idim,a,bv,xv,desc_a,'CSR ',info,partition=3)
|
||||
call psb_barrier(ctxt)
|
||||
t2 = psb_wtime() - t1
|
||||
if(info /= psb_success_) then
|
||||
info=psb_err_from_subroutine_
|
||||
ch_err='create_matrix'
|
||||
call psb_errpush(info,name,a_err=ch_err)
|
||||
goto 9999
|
||||
end if
|
||||
if (iam == psb_root_) write(psb_out_unit,'("Overall matrix creation time : ",es12.5)')t2
|
||||
if (iam == psb_root_) write(psb_out_unit,'(" ")')
|
||||
|
||||
if (dump) then
|
||||
write(fname,'(a,i3.3,a,i3.3,a,i3.3,a)') 'pde',idim,'-',iam,'-',np,'.mtx'
|
||||
call a%print(fname,head='PDEGEN test matrix')
|
||||
end if
|
||||
|
||||
select case(psb_toupper(acfmt))
|
||||
case('ELL')
|
||||
acmold => aell
|
||||
case('HLL')
|
||||
acmold => ahll
|
||||
case('DIA')
|
||||
acmold => adia
|
||||
case('HDIA')
|
||||
acmold => ahdia
|
||||
case('CSR')
|
||||
acmold => acsr
|
||||
case('COO')
|
||||
acmold => acoo
|
||||
#ifdef HAVE_RSB
|
||||
case('RSB')
|
||||
acmold => arsb
|
||||
#endif
|
||||
case default
|
||||
write(*,*) 'Unknown format defaulting to HLL'
|
||||
acmold => ahll
|
||||
end select
|
||||
call a%cscnv(info,mold=acmold)
|
||||
if ((info /= 0).or.(psb_get_errstatus()/=0)) then
|
||||
write(0,*) 'From cscnv ',info
|
||||
call psb_error()
|
||||
stop
|
||||
end if
|
||||
|
||||
#ifdef PSB_HAVE_CUDA
|
||||
select case(psb_toupper(agfmt))
|
||||
case('ELG')
|
||||
agmold => aelg
|
||||
case('HLG')
|
||||
agmold => ahlg
|
||||
case('HDIAG')
|
||||
agmold => ahdiag
|
||||
case('CSRG')
|
||||
agmold => acsrg
|
||||
case('DNSG')
|
||||
agmold => adnsg
|
||||
#if PSB_CUDA_SHORT_VERSION <= 10
|
||||
case('HYBG')
|
||||
agmold => ahybg
|
||||
#endif
|
||||
case default
|
||||
write(*,*) 'Unknown format defaulting to HLG'
|
||||
agmold => ahlg
|
||||
end select
|
||||
call a%cscnv(agpu,info,mold=agmold)
|
||||
if ((info /= 0).or.(psb_get_errstatus()/=0)) then
|
||||
write(0,*) 'From cscnv ',info
|
||||
call psb_error()
|
||||
stop
|
||||
end if
|
||||
call desc_a%cnv(mold=imold)
|
||||
|
||||
call psb_geasb(bg,desc_a,info,scratch=.true.,mold=vmold)
|
||||
call psb_geasb(xg,desc_a,info,scratch=.true.,mold=vmold)
|
||||
#endif
|
||||
nr = desc_a%get_local_rows()
|
||||
nrg = desc_a%get_global_rows()
|
||||
call psb_geall(x0,desc_a,info)
|
||||
do i=1, nr
|
||||
call desc_a%l2g(i,ig,info)
|
||||
x0(i) = 1.0 + (1.0*ig)/(nrg**2)
|
||||
end do
|
||||
call a%cscnv(aux_a,info,mold=acoo)
|
||||
tcnvcsr = 0
|
||||
tcnvgpu = 0
|
||||
call psb_geall(x1,desc_a,info)
|
||||
do j=1, ncnv
|
||||
call aux_a%cscnv(a,info,mold=acoo)
|
||||
call psb_barrier(ctxt)
|
||||
t1 = psb_wtime()
|
||||
call a%cscnv(info,mold=acmold)
|
||||
t2 = psb_Wtime() -t1
|
||||
call psb_amx(ctxt,t2)
|
||||
tcnvcsr = tcnvcsr + t2
|
||||
if (j==1) tcnvc1 = t2
|
||||
call psb_geasb(x1,desc_a,info)
|
||||
call xv%bld(x0)
|
||||
call psb_geasb(bv,desc_a,info,scratch=.true.)
|
||||
|
||||
#ifdef PSB_HAVE_CUDA
|
||||
|
||||
call aux_a%cscnv(agpu,info,mold=acoo)
|
||||
call xg%bld(x0,mold=vmold)
|
||||
call psb_geasb(bg,desc_a,info,scratch=.true.,mold=vmold)
|
||||
call psb_barrier(ctxt)
|
||||
t1 = psb_wtime()
|
||||
call agpu%cscnv(info,mold=agmold)
|
||||
call psb_cuda_DeviceSync()
|
||||
t2 = psb_Wtime() -t1
|
||||
call psb_amx(ctxt,t2)
|
||||
if (j==1) tcnvg1 = t2
|
||||
tcnvgpu = tcnvgpu + t2
|
||||
#endif
|
||||
end do
|
||||
|
||||
|
||||
call xv%set(x0)
|
||||
call psb_barrier(ctxt)
|
||||
t1 = psb_wtime()
|
||||
do i=1,ntests
|
||||
call psb_spmm(sone,a,xv,szero,bv,desc_a,info)
|
||||
end do
|
||||
call psb_barrier(ctxt)
|
||||
t2 = psb_wtime() - t1
|
||||
call psb_amx(ctxt,t2)
|
||||
|
||||
#ifdef PSB_HAVE_CUDA
|
||||
call xg%set(x0)
|
||||
|
||||
! FIXME: cache flush needed here
|
||||
x1 = bv%get_vect()
|
||||
x2 = bg%get_vect()
|
||||
|
||||
call psb_barrier(ctxt)
|
||||
tt1 = psb_wtime()
|
||||
do i=1,ntests
|
||||
call psb_spmm(sone,agpu,xv,szero,bg,desc_a,info)
|
||||
if ((info /= 0).or.(psb_get_errstatus()/=0)) then
|
||||
write(0,*) 'From 1 spmm',info,i,ntests
|
||||
call psb_error()
|
||||
stop
|
||||
end if
|
||||
|
||||
end do
|
||||
call psb_cuda_DeviceSync()
|
||||
call psb_barrier(ctxt)
|
||||
tt2 = psb_wtime() - tt1
|
||||
call psb_amx(ctxt,tt2)
|
||||
x1 = bv%get_vect()
|
||||
x2 = bg%get_vect()
|
||||
nr = desc_a%get_local_rows()
|
||||
eps = maxval(abs(x1(1:nr)-x2(1:nr)))
|
||||
call psb_amx(ctxt,eps)
|
||||
if (iam==0) write(*,*) 'Max diff on xGPU',eps
|
||||
|
||||
|
||||
! FIXME: cache flush needed here
|
||||
call xg%set(x0)
|
||||
call xg%sync()
|
||||
call psb_barrier(ctxt)
|
||||
gt1 = psb_wtime()
|
||||
do i=1,ntests*ngpu
|
||||
call psb_spmm(sone,agpu,xg,szero,bg,desc_a,info)
|
||||
! For timing purposes we need to make sure all threads
|
||||
! in the device are done.
|
||||
if ((info /= 0).or.(psb_get_errstatus()/=0)) then
|
||||
write(0,*) 'From 2 spmm',info,i,ntests
|
||||
call psb_error()
|
||||
stop
|
||||
end if
|
||||
|
||||
end do
|
||||
call psb_cuda_DeviceSync()
|
||||
call psb_barrier(ctxt)
|
||||
gt2 = psb_wtime() - gt1
|
||||
call psb_amx(ctxt,gt2)
|
||||
call bg%sync()
|
||||
x1 = bv%get_vect()
|
||||
x2 = bg%get_vect()
|
||||
tnv = psb_genrm2(bv,desc_a,info)
|
||||
tng = psb_genrm2(bg,desc_a,info)
|
||||
tdot = psb_gedot(bg,bg,desc_a,info)
|
||||
write(0,*) ' bv ',tnv,' bg ',tng, ' dot ',tdot,eps,&
|
||||
& snrm2(desc_a%get_local_rows(),x2,1),&
|
||||
& sdot(desc_a%get_local_rows(),x1,1,x2,1)
|
||||
call psb_geaxpby(-sone,bg,+sone,bv,desc_a,info)
|
||||
eps = psb_geamax(bv,desc_a,info)
|
||||
|
||||
call psb_amx(ctxt,t2)
|
||||
eps = maxval(abs(x1(1:nr)-x2(1:nr)))
|
||||
call psb_amx(ctxt,eps)
|
||||
if (iam==0) write(*,*) 'Max diff on GPU',eps
|
||||
if (dump) then
|
||||
write(fname,'(a,i3.3,a,i3.3,a)')'XCPU-out-',iam,'-',np,'.mtx'
|
||||
call mm_array_write(x1(1:nr),'Local part CPU',info,filename=fname)
|
||||
write(fname,'(a,i3.3,a,i3.3,a)')'XGPU-out-',iam,'-',np,'.mtx'
|
||||
call mm_array_write(x2(1:nr),'Local part GPU',info,filename=fname)
|
||||
end if
|
||||
#endif
|
||||
annz = a%get_nzeros()
|
||||
amatsize = a%sizeof()
|
||||
descsize = psb_sizeof(desc_a)
|
||||
call psb_sum(ctxt,nr)
|
||||
call psb_sum(ctxt,annz)
|
||||
call psb_sum(ctxt,amatsize)
|
||||
call psb_sum(ctxt,descsize)
|
||||
|
||||
if (iam == psb_root_) then
|
||||
write(psb_out_unit,&
|
||||
& '("Matrix: ell1 ",i0)') idim
|
||||
write(psb_out_unit,&
|
||||
&'("Test on : ",i20," processors")') np
|
||||
write(psb_out_unit,&
|
||||
&'("Size of matrix : ",i20," ")') nr
|
||||
write(psb_out_unit,&
|
||||
&'("Number of nonzeros : ",i20," ")') annz
|
||||
write(psb_out_unit,&
|
||||
&'("Memory occupation : ",i20," ")') amatsize
|
||||
flops = ntests*(2.d0*annz)
|
||||
tflops = flops
|
||||
gflops = flops * ngpu
|
||||
write(psb_out_unit,'("Storage type for A: ",a)') a%get_fmt()
|
||||
#ifdef PSB_HAVE_CUDA
|
||||
write(psb_out_unit,'("Storage type for AGPU: ",a)') agpu%get_fmt()
|
||||
write(psb_out_unit,'("Time to convert A from COO to CPU (1): ",F20.9)')&
|
||||
& tcnvc1
|
||||
write(psb_out_unit,'("Time to convert A from COO to CPU (t): ",F20.9)')&
|
||||
& tcnvcsr
|
||||
write(psb_out_unit,'("Time to convert A from COO to CPU (a): ",F20.9)')&
|
||||
& tcnvcsr/ncnv
|
||||
write(psb_out_unit,'("Time to convert A from COO to GPU (1): ",F20.9)')&
|
||||
& tcnvg1
|
||||
write(psb_out_unit,'("Time to convert A from COO to GPU (t): ",F20.9)')&
|
||||
& tcnvgpu
|
||||
write(psb_out_unit,'("Time to convert A from COO to GPU (a): ",F20.9)')&
|
||||
& tcnvgpu/ncnv
|
||||
|
||||
#endif
|
||||
write(psb_out_unit,&
|
||||
& '("Number of flops (",i0," prod) : ",F20.0," ")') &
|
||||
& ntests,flops
|
||||
|
||||
flops = flops / (t2)
|
||||
tflops = tflops / (tt2)
|
||||
gflops = gflops / (gt2)
|
||||
|
||||
write(psb_out_unit,'("Time for ",i6," products (s) (CPU) : ",F20.3)')&
|
||||
& ntests,t2
|
||||
write(psb_out_unit,'("Time per product (ms) (CPU) : ",F20.3)')&
|
||||
& t2*1.d3/(1.d0*ntests)
|
||||
write(psb_out_unit,'("MFLOPS (CPU) : ",F20.3)')&
|
||||
& flops/1.d6
|
||||
#ifdef PSB_HAVE_CUDA
|
||||
write(psb_out_unit,'("Time for ",i6," products (s) (xGPU) : ",F20.3)')&
|
||||
& ntests, tt2
|
||||
write(psb_out_unit,'("Time per product (ms) (xGPU) : ",F20.3)')&
|
||||
& tt2*1.d3/(1.d0*ntests)
|
||||
write(psb_out_unit,'("MFLOPS (xGPU) : ",F20.3)')&
|
||||
& tflops/1.d6
|
||||
|
||||
write(psb_out_unit,'("Time for ",i6," products (s) (GPU.) : ",F20.3)')&
|
||||
& ngpu*ntests,gt2
|
||||
write(psb_out_unit,'("Time per product (ms) (GPU.) : ",F20.3)')&
|
||||
& gt2*1.d3/(1.d0*ntests*ngpu)
|
||||
write(psb_out_unit,'("MFLOPS (GPU.) : ",F20.3)')&
|
||||
& gflops/1.d6
|
||||
#endif
|
||||
!
|
||||
! This computation assumes the data movement associated with CSR:
|
||||
! it is minimal in terms of coefficients. Other formats may either move
|
||||
! more data (padding etc.) or less data (if they can save on the indices).
|
||||
!
|
||||
nbytes = nr*(2*psb_sizeof_sp + psb_sizeof_ip)+&
|
||||
& annz*(psb_sizeof_sp + psb_sizeof_ip)
|
||||
bdwdth = ntests*nbytes/(t2*1.d6)
|
||||
write(psb_out_unit,*)
|
||||
write(psb_out_unit,'("MBYTES/S sust. effective bandwidth (CPU) : ",F20.3)') bdwdth
|
||||
#ifdef PSB_HAVE_CUDA
|
||||
bdwdth = ngpu*ntests*nbytes/(gt2*1.d6)
|
||||
write(psb_out_unit,'("MBYTES/S sust. effective bandwidth (GPU) : ",F20.3)') bdwdth
|
||||
bdwdth = psb_cuda_MemoryPeakBandwidth()
|
||||
write(psb_out_unit,'("MBYTES/S peak bandwidth (GPU) : ",F20.3)') bdwdth
|
||||
#endif
|
||||
write(psb_out_unit,'("Storage type for DESC_A: ",a)') desc_a%indxmap%get_fmt()
|
||||
write(psb_out_unit,'("Total memory occupation for DESC_A: ",i12)')descsize
|
||||
|
||||
end if
|
||||
|
||||
!
|
||||
! cleanup storage and exit
|
||||
!
|
||||
call psb_gefree(bv,desc_a,info)
|
||||
call psb_gefree(xv,desc_a,info)
|
||||
call psb_spfree(a,desc_a,info)
|
||||
call psb_cdfree(desc_a,info)
|
||||
if(info /= psb_success_) then
|
||||
info=psb_err_from_subroutine_
|
||||
ch_err='free routine'
|
||||
call psb_errpush(info,name,a_err=ch_err)
|
||||
goto 9999
|
||||
end if
|
||||
#ifdef PSB_HAVE_CUDA
|
||||
call psb_cuda_exit()
|
||||
#endif
|
||||
call psb_exit(ctxt)
|
||||
stop
|
||||
|
||||
9999 continue
|
||||
call psb_error(ctxt)
|
||||
|
||||
contains
|
||||
!
|
||||
! get iteration parameters from standard input
|
||||
!
|
||||
subroutine get_parms(ctxt,acfmt,agfmt,idim)
|
||||
type(psb_ctxt_type) :: ctxt
|
||||
character(len=*) :: agfmt, acfmt
|
||||
integer :: idim
|
||||
integer :: np, iam
|
||||
integer :: intbuf(10), ip
|
||||
|
||||
call psb_info(ctxt, iam, np)
|
||||
|
||||
if (iam == 0) then
|
||||
write(*,*) 'CPU side format?'
|
||||
read(psb_inp_unit,*) acfmt
|
||||
write(*,*) 'CUDA side format?'
|
||||
read(psb_inp_unit,*) agfmt
|
||||
write(*,*) 'Size of discretization cube?'
|
||||
read(psb_inp_unit,*) idim
|
||||
endif
|
||||
call psb_bcast(ctxt,acfmt)
|
||||
call psb_bcast(ctxt,agfmt)
|
||||
call psb_bcast(ctxt,idim)
|
||||
|
||||
if (iam == 0) then
|
||||
write(psb_out_unit,'("Testing matrix : ell1")')
|
||||
write(psb_out_unit,'("Grid dimensions : ",i4,"x",i4,"x",i4)')idim,idim,idim
|
||||
write(psb_out_unit,'("Number of processors : ",i0)')np
|
||||
write(psb_out_unit,'("Data distribution : BLOCK")')
|
||||
write(psb_out_unit,'(" ")')
|
||||
end if
|
||||
return
|
||||
|
||||
end subroutine get_parms
|
||||
|
||||
|
||||
end program pdgenmv
|
||||
Reference in New Issue
Block a user