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|
! Copyright (C) 2006 Imperial College London and others.
!
! Please see the AUTHORS file in the main source directory for a full list
! of copyright holders.
!
! Prof. C Pain
! Applied Modelling and Computation Group
! Department of Earth Science and Engineering
! Imperial College London
!
! amcgsoftware@imperial.ac.uk
!
! This library is free software; you can redistribute it and/or
! modify it under the terms of the GNU Lesser General Public
! License as published by the Free Software Foundation; either
! version 2.1 of the License, or (at your option) any later version.
!
! This library is distributed in the hope that it will be useful,
! but WITHOUT ANY WARRANTY; without even the implied warranty of
! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
! Lesser General Public License for more details.
!
! You should have received a copy of the GNU Lesser General Public
! License along with this library; if not, write to the Free Software
! Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
! USA
#include "fdebug.h"
use parallel_tools
#ifdef TESTING_HALGET
SUBROUTINE ResetHalo(V, len)
IMPLICIT NONE
INTEGER, INTENT(IN)::len
REAL, INTENT(OUT)::V(len)
INTEGER I
DO I=1, len
V(I) = -1.0
END DO
RETURN
END SUBROUTINE ResetHalo
LOGICAL FUNCTION HaloOk(halo, haloLen, NProcs, MyRank)
use fldebug
IMPLICIT NONE
INTEGER, INTENT(IN)::haloLen, NProcs, MyRank
REAL, INTENT(IN)::halo((NProcs-1)*haloLen)
INTEGER I,J,POS
HaloOk = .TRUE.
POS = 1
DO I=0, NProcs-1
IF (I.NE.MyRank) THEN
DO J=1,haloLen
IF (INT(halo(POS)+0.5).NE.MyRank) THEN
HaloOk = .FALSE.
GOTO 10
END IF
POS = POS+1
END DO
END IF
END DO
10 CONTINUE
IF(.NOT.HaloOk) THEN
DO I=0, NProcs-1
DO J=1,haloLen
ewrite(3,*) MyRank, I, halo(I*haloLen+J)
END DO
END DO
END IF
RETURN
END FUNCTION HaloOk
PROGRAM MAIN
use FLDebug
use parallel_tools
IMPLICIT NONE
EXTERNAL HaloOk
LOGICAL HaloOk
REAL, ALLOCATABLE, DIMENSION(:)::Array, Buffer
INTEGER, ALLOCATABLE, DIMENSION(:)::IMEM
INTEGER, PARAMETER::blockLen=1, stride=1, fieldCnt=1, NTrials=1000
INTEGER, ALLOCATABLE, DIMENSION(:)::ATOSEN, Gather, ATOREC, Scatter
INTEGER SizeHalo
INTEGER MyRank, NProcs, IERROR
INTEGER NCOLGA, NSCATE
INTEGER I, J, N, POS
REAL*8 Time0, TimeNB1(NTrials), TimeNB2(NTrials)
REAL*8 TimeNB1_mean, TimeNB2_mean
REAL*8 TimeNB1_variance, TimeNB2_variance
REAL*8 TimeNB1_err, TimeNB2_err
INCLUDE 'mpif.h'
CALL MPI_INIT(IERROR)
NProcs = GetNProcs()
MyRank = GetRank()
IF(MyRank.EQ.0) THEN
ewrite(2,FMT='(A9,A19,A9,A19,A9)') "SizeHalo", &
"Non-Blocking 1(ms)", "error", &
"Non-Blocking 2(ms)", "error"
END IF
ALLOCATE( ATOSEN(NProcs+1) )
ALLOCATE( ATOREC(NProcs+1) )
SizeHalo=64
DO N=1, 13
SizeHalo = SizeHalo*2
ATOSEN(1) = 1
ATOREC(1) = 1
DO I=1, NProcs
IF(I.EQ.(MyRank+1)) THEN
ATOSEN(I+1) = ATOSEN(I)
ATOREC(I+1) = ATOREC(I)
ELSE
ATOSEN(I+1) = ATOSEN(I)+SizeHalo
ATOREC(I+1) = ATOREC(I)+SizeHalo
END IF
END DO
NCOLGA = ATOSEN(NProcs + 1) - 1
NSCATE = ATOREC(NProcs + 1) - 1
IF( ALLOCATED(Array) ) DEALLOCATE(Array)
ALLOCATE( Array((2*NProcs-1)*SizeHalo) )
DO I=0, NProcs-1
DO J=1,SizeHalo
Array(I*SizeHalo+J) = REAL(I)
END DO
END DO
IF( ALLOCATED(Buffer) ) DEALLOCATE(Buffer)
ALLOCATE( Buffer(NProcs*SizeHalo*100) )
IF( ALLOCATED(Gather) ) DEALLOCATE(Gather)
ALLOCATE( Gather((NProcs-1)*SizeHalo) )
IF( ALLOCATED(Scatter) ) DEALLOCATE(Scatter)
ALLOCATE( Scatter((NProcs-1)*SizeHalo) )
POS = 1
DO I=0, NProcs-1
DO J=1, SizeHalo
IF(I.NE.MyRank) THEN
Gather(POS) = I*SizeHalo + J
Scatter(POS) = NProcs*SizeHalo + POS
POS = POS+1
END IF
END DO
END DO
DO J=1, NTrials
CALL ResetHalo(Array(NProcs*SizeHalo+1), (NProcs-1)*SizeHalo)
! Test 1
Time0 = MPI_WTIME()
CALL HalgetNB(Array, blockLen, stride, fieldCnt, &
ATOSEN, Gather, ATOREC, Scatter)
TimeNB1(J) = MPI_WTIME() - Time0
IF(.NOT.HaloOk(Array(NProcs*SizeHalo+1), SizeHalo, NProcs, MyRank)) THEN
ewrite(-1,*) "HalgetNB() is foobar"
CALL MPI_ABORT(MPI_COMM_FEMTOOLS, MPI_ERR_OTHER, IERROR)
END IF
CALL ResetHalo(Array(NProcs*SizeHalo+1), (NProcs-1)*SizeHalo)
! Test 2
Time0 = MPI_WTIME()
CALL HalgetNB_simple(Array, 1, ATOSEN, Gather, ATOREC, Scatter)
TimeNB2(J) = MPI_WTIME() - Time0
IF(.NOT.HaloOk(Array(NProcs*SizeHalo+1), SizeHalo, NProcs, MyRank)) THEN
ewrite(-1,*) "HalgetNB_simple() is foobar"
CALL MPI_ABORT(MPI_COMM_FEMTOOLS, MPI_ERR_OTHER, IERROR)
END IF
END DO
TimeNB1_mean = 0.0
TimeNB2_mean = 0.0
DO J=1, NTrials
TimeNB1_mean = TimeNB1_mean + TimeNB1(J)/NTrials
TimeNB2_mean = TimeNB2_mean + TimeNB2(J)/NTrials
END DO
TimeNB1_variance = 0.0
TimeNB2_variance = 0.0
DO J=1, NTrials
TimeNB1_variance = TimeNB1_variance + ((TimeNB1_mean - TimeNB1(J))**2)/NTrials
TimeNB2_variance = TimeNB2_variance + ((TimeNB2_mean - TimeNB2(J))**2)/NTrials
END DO
TimeNB1_err = SQRT(TimeNB1_variance)
TimeNB2_err = SQRT(TimeNB2_variance)
IF(MyRank.EQ.0) THEN
ewrite(2,FMT='(I9,I19,I9,I19,I9)') SizeHalo, &
INT(1000.0*TimeNB1_mean+0.5), INT(1000.0*TimeNB1_err+0.5), &
INT(1000.0*TimeNB2_mean+0.5), INT(1000.0*TimeNB2_err+0.5)
END IF
END DO
CALL MPI_FINALIZE(IERROR)
END PROGRAM MAIN
#endif
! this may be a duplicate - need to compare
#ifdef TESTING_HALGET
SUBROUTINE ResetHalo(V, len)
IMPLICIT NONE
INTEGER, INTENT(IN)::len
REAL, INTENT(OUT)::V(len)
INTEGER I
DO I=1, len
V(I) = -1.0
END DO
RETURN
END SUBROUTINE ResetHalo
LOGICAL FUNCTION HaloOk(halo, haloLen, NProcs, MyRank)
use fldebug
IMPLICIT NONE
INTEGER, INTENT(IN)::haloLen, NProcs, MyRank
REAL, INTENT(IN)::halo((NProcs-1)*haloLen)
INTEGER I,J,POS
HaloOk = .TRUE.
POS = 1
DO I=0, NProcs-1
IF (I.NE.MyRank) THEN
DO J=1,haloLen
IF (INT(halo(POS)+0.5).NE.MyRank) THEN
HaloOk = .FALSE.
GOTO 10
END IF
POS = POS+1
END DO
END IF
END DO
10 CONTINUE
IF(.NOT.HaloOk) THEN
DO I=0, NProcs-1
DO J=1,haloLen
ewrite(3,*) MyRank, I, halo(I*haloLen+J)
END DO
END DO
END IF
RETURN
END FUNCTION HaloOk
PROGRAM MAIN
use fldebug
use parallel_tools
IMPLICIT NONE
EXTERNAL HaloOk
LOGICAL HaloOk
REAL, ALLOCATABLE, DIMENSION(:)::Array, Buffer
INTEGER, ALLOCATABLE, DIMENSION(:)::IMEM
INTEGER, PARAMETER::blockLen=1, stride=1, fieldCnt=1, NTrials=1000
INTEGER, ALLOCATABLE, DIMENSION(:)::ATOSEN, Gather, ATOREC, Scatter
INTEGER SizeHalo
INTEGER MyRank, NProcs, IERROR
INTEGER NCOLGA, NSCATE
INTEGER I, J, N, POS
REAL*8 Time0, TimeNB1(NTrials), TimeNB2(NTrials)
REAL*8 TimeNB1_mean, TimeNB2_mean
REAL*8 TimeNB1_variance, TimeNB2_variance
REAL*8 TimeNB1_err, TimeNB2_err
INCLUDE 'mpif.h'
CALL MPI_INIT(IERROR)
NProcs = GetNProcs()
MyRank = GetRank()
IF(MyRank.EQ.0) THEN
ewrite(3,FMT='(A9,A19,A9,A19,A9)') "SizeHalo", &
"Non-Blocking 1(ms)", "error", &
"Non-Blocking 2(ms)", "error"
END IF
ALLOCATE( ATOSEN(NProcs+1) )
ALLOCATE( ATOREC(NProcs+1) )
SizeHalo=64
DO N=1, 13
SizeHalo = SizeHalo*2
ATOSEN(1) = 1
ATOREC(1) = 1
DO I=1, NProcs
IF(I.EQ.(MyRank+1)) THEN
ATOSEN(I+1) = ATOSEN(I)
ATOREC(I+1) = ATOREC(I)
ELSE
ATOSEN(I+1) = ATOSEN(I)+SizeHalo
ATOREC(I+1) = ATOREC(I)+SizeHalo
END IF
END DO
NCOLGA = ATOSEN(NProcs + 1) - 1
NSCATE = ATOREC(NProcs + 1) - 1
IF( ALLOCATED(Array) ) DEALLOCATE(Array)
ALLOCATE( Array((2*NProcs-1)*SizeHalo) )
DO I=0, NProcs-1
DO J=1,SizeHalo
Array(I*SizeHalo+J) = REAL(I)
END DO
END DO
IF( ALLOCATED(Buffer) ) DEALLOCATE(Buffer)
ALLOCATE( Buffer(NProcs*SizeHalo*100) )
IF( ALLOCATED(Gather) ) DEALLOCATE(Gather)
ALLOCATE( Gather((NProcs-1)*SizeHalo) )
IF( ALLOCATED(Scatter) ) DEALLOCATE(Scatter)
ALLOCATE( Scatter((NProcs-1)*SizeHalo) )
POS = 1
DO I=0, NProcs-1
DO J=1, SizeHalo
IF(I.NE.MyRank) THEN
Gather(POS) = I*SizeHalo + J
Scatter(POS) = NProcs*SizeHalo + POS
POS = POS+1
END IF
END DO
END DO
DO J=1, NTrials
CALL ResetHalo(Array(NProcs*SizeHalo+1), (NProcs-1)*SizeHalo)
! Test 1
Time0 = MPI_WTIME()
CALL HalgetNB(Array, blockLen, stride, fieldCnt, &
ATOSEN, Gather, ATOREC, Scatter)
TimeNB1(J) = MPI_WTIME() - Time0
IF(.NOT.HaloOk(Array(NProcs*SizeHalo+1), SizeHalo, NProcs, MyRank)) THEN
ewrite(3,*) "HalgetNB() is foobar"
CALL MPI_ABORT(MPI_COMM_FEMTOOLS, MPI_ERR_OTHER, IERROR)
END IF
CALL ResetHalo(Array(NProcs*SizeHalo+1), (NProcs-1)*SizeHalo)
! Test 2
Time0 = MPI_WTIME()
CALL HalgetNB_simple(Array, 1, ATOSEN, Gather, ATOREC, Scatter)
TimeNB2(J) = MPI_WTIME() - Time0
IF(.NOT.HaloOk(Array(NProcs*SizeHalo+1), SizeHalo, NProcs, MyRank)) THEN
ewrite(3,*) "HalgetNB_simple() is foobar"
CALL MPI_ABORT(MPI_COMM_FEMTOOLS, MPI_ERR_OTHER, IERROR)
END IF
END DO
TimeNB1_mean = 0.0
TimeNB2_mean = 0.0
DO J=1, NTrials
TimeNB1_mean = TimeNB1_mean + TimeNB1(J)/NTrials
TimeNB2_mean = TimeNB2_mean + TimeNB2(J)/NTrials
END DO
TimeNB1_variance = 0.0
TimeNB2_variance = 0.0
DO J=1, NTrials
TimeNB1_variance = TimeNB1_variance + ((TimeNB1_mean - TimeNB1(J))**2)/NTrials
TimeNB2_variance = TimeNB2_variance + ((TimeNB2_mean - TimeNB2(J))**2)/NTrials
END DO
TimeNB1_err = SQRT(TimeNB1_variance)
TimeNB2_err = SQRT(TimeNB2_variance)
IF(MyRank.EQ.0) THEN
ewrite(3,FMT='(I9,I19,I9,I19,I9)') SizeHalo, &
INT(1000.0*TimeNB1_mean+0.5), INT(1000.0*TimeNB1_err+0.5), &
INT(1000.0*TimeNB2_mean+0.5), INT(1000.0*TimeNB2_err+0.5)
END IF
END DO
CALL MPI_FINALIZE(IERROR)
END PROGRAM MAIN
#endif
|