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|
#if HAVE_CONFIG_H
# include "config.fh"
#endif
c $Id: perfmod.F,v 1.4 2000-05-25 01:09:20 d3h325 Exp $
c------------------------------------------------------------------------
c Program perfmod.x is used to test performance of GA put,get,accumulate |
c It has to be executed on four processors. |
c remote operations access data on processes 1,2,3 in the round-robin way|
c------------------------------------------------------------------------
c
program perfmod
implicit none
#include "mafdecls.fh"
#include "global.fh"
integer heap,stack
c
c*** Intitialize a message passing library
c
#include "mp3.fh"
c
c Intitialize the GA package
c
call ga_initialize()
c
if(ga_nnodes().ne.4 .and. ga_nodeid().eq.0)
$ call ga_error('Must be run with 4 GA processes',ga_nnodes())
c
c*** Initialize the MA package
heap = 450000
stack =heap
if (.not. ma_init(MT_DBL, heap, stack))
$ call ga_error("ma init failed",heap+stack)
c
call testit()
c
if(ga_nodeid().eq.0) print *, 'All tests successful'
c
call ga_terminate()
c
call MP_FINALIZE()
end
subroutine testit()
implicit none
#include "mafdecls.fh"
#include "global.fh"
c
c
integer n, nn, num_chunks
parameter (n = 710, nn = n*n/4, num_chunks=12)
double precision buf(nn)
c
integer g_a
integer ilo, ihi, jlo, jhi
integer nproc, me, loop
integer chunk(num_chunks)
data chunk /1,3,4,9,16,30,64,91,128,171,256,353/
c
nproc = ga_nnodes()
me = ga_nodeid()
c
c*** Create global array
if (.not. ga_create(MT_DBL, n, n, 'a', 0, 0, g_a))
$ call ga_error(' ga_create failed ',n)
c
do loop=1,nn
buf(loop) = .01d0
enddo
call ga_zero(g_a)
c
if (me .eq. 0) then
write(*,*)' '
print *,'> Performance of ga_get, ga_put & ga_acc n = ', n
print *,' '
endif
c
c do loop=1,2
c
c*** local ops
c
call ga_distribution(g_a, me, ilo, ihi, jlo, jhi)
call TestPutGetAcc
& (g_a, n, chunk, num_chunks, buf, ilo, ihi, jlo, jhi, .true.)
c
c*** remote ops
c
call TestPutGetAcc
& (g_a, n, chunk, num_chunks, buf, ilo, ihi, jlo, jhi,.false.)
c enddo
end
subroutine TestPutGetAcc
& (g_a, n, chunk, num_chunks, buf, ilo, ihi, jlo,jhi, local)
implicit none
#include "global.fh"
#include "testutil.fh"
integer num_chunks, chunk(num_chunks)
integer n, ilo, ihi, jlo,jhi,g_a
double precision buf(*), tg, tp, ta
double precision time_acc, time_get, time_put
logical local
c
integer me
integer loop, jump, count, bytes
c
me = ga_nodeid()
if (me .eq. 0) then
write(6,*)' '
if(local) then
write(6,'(21X,8hACCESS [,i3,1h:,i4,1h,,i3,1h:,i4,1h])')
& ilo,ihi,jlo,jhi
else
write(6,'(21X,6hACCESS , 2x, 18Hremote section )')
endif
write(6,*)'bytes loop get put',
& ' accumulate'
call flush(6)
endif
call ga_sync()
c
do loop = 1, num_chunks
bytes = util_mdtob(1)*chunk(loop)*chunk(loop) !how much data is accessed
jump = n/(60*loop) ! jump distance between consecutive patches
c
c everybody touches own data
call ga_fill_patch(g_a, 1, n, 1, n , 1d0*me*loop)
if (me .eq. 0) then
tg=time_get(g_a,ilo,ihi,jlo,jhi,buf,chunk(loop),jump,count,
$ local)
endif
call ga_sync()
c
c everybody touches own data
call ga_fill_patch(g_a, 1, n, 1, n , 1d0*me*loop)
if (me .eq. 0) then
tp=time_put(g_a,ilo,ihi,jlo,jhi,buf,chunk(loop),jump,count,
$ local)
endif
call ga_sync()
c
c everybody touches own data
call ga_fill_patch(g_a, 1, n, 1, n , 1d0*me*loop)
if (me .eq. 0) then
ta=time_acc(g_a,ilo,ihi,jlo,jhi,buf,chunk(loop),jump,count,
$ local)
endif
call ga_sync()
c
if (me .eq. 0) then
write(6,77)bytes, count, tg, 1d-6*bytes/tg,
& tp, 1d-6*bytes/tp, ta, 1d-6*bytes/ta
call flush(6)
endif
enddo
c
77 format(i6, i5, 3(d10.3, d9.2,'MB/s'))
end
double precision function
& time_acc(g_a, is, ie, js, je, buf, chunk, jump, count, local)
c
implicit none
#include "global.fh"
#include "testutil.fh"
c
integer g_a, chunk, jump, count, is, js, ie, je
logical local
integer rows, cols, indx, shifti(3), shiftj(3)
c
integer ilo, ihi, jlo, jhi
double precision seconds, buf
c
count = 0
rows = ie - is + 1
cols = je - js + 1
shifti(1) = rows
shifti(2) = 0
shifti(3) = rows
shiftj(1) = 0
shiftj(2) = cols
shiftj(3) = cols
seconds = util_timer()
c
c distance between consecutive patches increased by jump
c to destroy locality of reference
do ilo = is, ie -chunk-jump +1, chunk+jump
ihi = ilo + chunk -1
do jlo = js, je -chunk-jump +1, chunk+jump
jhi = jlo + chunk -1
count = count + 1
if (local) then
call ga_acc(g_a, ilo, ihi, jlo, jhi, buf, chunk, 1d0)
else
indx = Mod(count,3) + 1
call ga_acc(g_a, ilo+shifti(indx), ihi+shifti(indx),
$ jlo+shiftj(indx), jhi+shiftj(indx),
$ buf, chunk, 1d0)
endif
enddo
enddo
seconds = util_timer() - seconds
c
time_acc = seconds/count
end
double precision function
& time_get(g_a, is, ie, js, je, buf, chunk, jump, count, local)
c
implicit none
#include "global.fh"
#include "testutil.fh"
c
integer g_a, chunk, jump, count, is, js, ie, je
integer rows, cols, indx, shifti(3), shiftj(3)
logical local
c
integer ilo, ihi, jlo, jhi
double precision seconds, buf
c
count = 0
rows = ie - is + 1
cols = je - js + 1
shifti(1) = rows
shifti(2) = 0
shifti(3) = rows
shiftj(1) = 0
shiftj(2) = cols
shiftj(3) = cols
seconds = util_timer()
c
c distance between consecutive patches increased by jump
c to destroy locality of reference
do ilo = is, ie -chunk-jump +1, chunk+jump
ihi = ilo + chunk -1
do jlo = js, je -chunk-jump +1, chunk+jump
jhi = jlo + chunk -1
count = count + 1
if (local) then
call ga_get(g_a, ilo, ihi, jlo, jhi, buf, chunk)
else
indx = Mod(count,3) + 1
call ga_get(g_a, ilo+shifti(indx), ihi+shifti(indx),
$ jlo+shiftj(indx), jhi+shiftj(indx),
$ buf, chunk)
endif
enddo
enddo
seconds = util_timer() - seconds
c
time_get = seconds/count
end
double precision function
& time_put(g_a, is, ie, js, je, buf, chunk, jump, count, local)
c
implicit none
#include "global.fh"
#include "testutil.fh"
c
integer g_a, chunk, jump, count, is, js, ie, je
integer rows, cols, indx, shifti(3), shiftj(3)
logical local
c
integer ilo, ihi, jlo, jhi
double precision seconds, buf
c
count = 0
rows = ie - is + 1
cols = je - js + 1
shifti(1) = rows
shifti(2) = 0
shifti(3) = rows
shiftj(1) = 0
shiftj(2) = cols
shiftj(3) = cols
seconds = util_timer()
c
c distance between consecutive patches increased by jump
c to destroy locality of reference
do ilo = is, ie -chunk-jump +1, chunk+jump
ihi = ilo + chunk -1
do jlo = js, je -chunk-jump +1, chunk+jump
jhi = jlo + chunk -1
count = count + 1
if (local) then
call ga_put(g_a, ilo, ihi, jlo, jhi, buf, chunk)
else
indx = Mod(count,3) + 1
call ga_put(g_a, ilo+shifti(indx), ihi+shifti(indx),
$ jlo+shiftj(indx), jhi+shiftj(indx),
$ buf, chunk)
endif
enddo
enddo
seconds = util_timer() - seconds
c
time_put = seconds/count
end
|
