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modified tester for vector operation

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merge-paraggr-newops
Cirdans-Home 5 years ago
parent 5504e34161
commit 1f441df5a0
1 changed files with 261 additions and 166 deletions
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test/kernel/vecoperation.f90
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@ -31,37 +31,170 @@
!
! File: vecoperation.f90
!
module unittestvector_mod
use psb_base_mod, only : psb_dpk_, psb_ipk_, psb_desc_type,&
& psb_dspmat_type, psb_d_vect_type, dzero,&
& psb_d_base_sparse_mat, psb_d_base_vect_type, psb_i_base_vect_type
interface psb_gen_const
module procedure psb_d_gen_const
end interface psb_gen_const
contains
function psb_check_ans(v,val,ictxt) result(ans)
use psb_base_mod
implicit none
type(psb_d_vect_type) :: v
real(psb_dpk_) :: val
integer(psb_ipk_) :: ictxt
logical :: ans
! Local variables
integer(psb_ipk_) :: np, iam, info
real(psb_dpk_) :: check
real(psb_dpk_), allocatable :: va(:)
call psb_info(ictxt,iam,np)
va = v%get_vect()
va = va - val;
check = maxval(va);
call psb_sum(ictxt,check)
if(check == 0.d0) then
ans = .true.
else
ans = .false.
end if
end function psb_check_ans
!
! subroutine to fill a vector with constant entries
!
subroutine psb_d_gen_const(v,val,idim,ictxt,desc_a,info)
use psb_base_mod
implicit none
type(psb_d_vect_type) :: v
type(psb_desc_type) :: desc_a
integer(psb_lpk_) :: idim
integer(psb_ipk_) :: ictxt, info
real(psb_dpk_) :: val
! Local variables
integer(psb_ipk_), parameter :: nb=20
real(psb_dpk_) :: zt(nb)
character(len=20) :: name, ch_err
integer(psb_ipk_) :: np, iam, nr, nt
integer(psb_ipk_) :: n,nlr,ib,ii
integer(psb_ipk_) :: err_act
integer(psb_lpk_), allocatable :: myidx(:)
info = psb_success_
name = 'create_constant_vector'
call psb_erractionsave(err_act)
call psb_info(ictxt, iam, np)
n = idim*np ! The global dimension is the number of process times
! the input size
! We use a simple minded block distribution
nt = (n+np-1)/np
nr = max(0,min(nt,n-(iam*nt)))
nt = nr
call psb_sum(ictxt,nt)
if (nt /= n) then
write(psb_err_unit,*) iam, 'Initialization error ',nr,nt,n
info = -1
call psb_barrier(ictxt)
call psb_abort(ictxt)
return
end if
! Allocate the descriptor with simple minded data distribution
call psb_cdall(ictxt,desc_a,info,nl=nr)
! Allocate the vector on the recently build descriptor
if (info == psb_success_) call psb_geall(v,desc_a,info)
! Check that allocation has gone good
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
myidx = desc_a%get_global_indices()
nlr = size(myidx)
do ii=1,nlr,nb
ib = min(nb,nlr-ii+1)
zt(:) = val
call psb_geins(ib,myidx(ii:ii+ib-1),zt(1:ib),v,desc_a,info)
if(info /= psb_success_) exit
end do
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
! Assembly of communicator and vector
call psb_cdasb(desc_a,info)
if (info == psb_success_) call psb_geasb(v,desc_a,info)
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(ictxt,err_act)
return
end subroutine psb_d_gen_const
end module unittestvector_mod
program vecoperation
use psb_base_mod
use psb_util_mod
use unittestvector_mod
implicit none
! input parameters
integer(psb_ipk_) :: idim = 100
integer(psb_lpk_) :: idim = 100
! miscellaneous
real(psb_dpk_), parameter :: one = 1.d0
real(psb_dpk_) :: t1, t2
real(psb_dpk_), parameter :: two = 2.d0
real(psb_dpk_), parameter :: onehalf = 0.5_psb_dpk_
real(psb_dpk_), parameter :: negativeone = -1.d0
real(psb_dpk_), parameter :: negativetwo = -2.d0
real(psb_dpk_), parameter :: negativeonehalf = -0.5_psb_dpk_
! descriptor
type(psb_desc_type) :: desc_a
! vector
type(psb_d_vect_type) :: x,y,z,absz
type(psb_d_vect_type) :: x,y,z
! blacs parameters
integer(psb_ipk_) :: ictxt, iam, np
! other variables
integer(psb_ipk_) :: nr, nlr, info, i, ii, ib=1
integer(psb_lpk_) :: nt
integer(psb_lpk_), allocatable :: myidx(:)
real(psb_dpk_) :: zt(1), dotresult, norm2, norm1, norminf, norm2w, norm2wc
! auxiliary parameters
integer(psb_ipk_) :: info
character(len=20) :: name,ch_err,readinput
real(psb_dpk_), allocatable :: vx(:), vy(:), vz(:)
real(psb_dpk_) :: c
logical :: t
real(psb_dpk_) :: ans
logical :: hasitnotfailed
integer(psb_lpk_), allocatable :: myidx(:)
integer(psb_ipk_) :: ib = 1
real(psb_dpk_) :: zt(1)
info=psb_success_
call psb_init(ictxt)
call psb_info(ictxt,iam,np)
@ -84,193 +217,153 @@ program vecoperation
if (len_trim(readinput) /= 0) read(readinput,*)idim
if (iam == psb_root_) write(psb_out_unit,'(" ")')
if (iam == psb_root_) write(psb_out_unit,'("Vector size",I10)')idim
if (iam == psb_root_) write(psb_out_unit,'("Local vector size",I10)')idim
if (iam == psb_root_) write(psb_out_unit,'("Global vector size",I10)')np*idim
!
! Data distribution
! We assume a simple contiguous block distribution
! Test of standard vector operation
!
nt = (idim+np-1)/np
nr = max(0,min(nt,idim-(iam*nt)))
nt = nr
call psb_sum(ictxt,nt)
if (nt /= idim) then
write(psb_err_unit,*) iam, 'Initialization error ',nr,nt,idim
info = -1
call psb_barrier(ictxt)
call psb_abort(ictxt)
return
if (iam == psb_root_) write(psb_out_unit,'(" ")')
if (iam == psb_root_) write(psb_out_unit,'("Standard Vector Operations")')
if (iam == psb_root_) write(psb_out_unit,'(" ")')
! X = 1
call psb_d_gen_const(x,one,idim,ictxt,desc_a,info)
hasitnotfailed = psb_check_ans(x,one,ictxt)
if (iam == psb_root_) then
if(hasitnotfailed) write(psb_out_unit,'("TEST PASSED >>> Constant vector ")')
if(.not.hasitnotfailed) write(psb_out_unit,'("TEST FAILED --- Constant vector ")')
end if
call psb_cdall(ictxt,desc_a,info,nl=nr)
myidx = desc_a%get_global_indices()
nlr = size(myidx)
!
! allocate and fill in the vectors
!
call psb_barrier(ictxt)
t1 = psb_wtime()
! Allocate memory
call psb_geall(x,desc_a,info)
call psb_geall(y,desc_a,info)
call psb_geall(z,desc_a,info)
call psb_geall(absz,desc_a,info)
! Put entries into the vectors
do ii=1,nlr
zt(1) = 1.0_psb_dpk_
call psb_geins(ib,myidx(ii:),zt(1:),x,desc_a,info)
zt(1) = 2.0_psb_dpk_
call psb_geins(ib,myidx(ii:),zt(1:),y,desc_a,info)
zt(1) = -10.0_psb_dpk_
call psb_geins(ib,myidx(ii:),zt(1:),z,desc_a,info)
call psb_geins(ib,myidx(ii:),zt(1:),absz,desc_a,info)
end do
! Assemble
call psb_cdasb(desc_a,info)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='comm asb rout.'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
! X = 1 , Y = -2, Y = X + Y = 1 -2 = -1
call psb_d_gen_const(x,one,idim,ictxt,desc_a,info)
call psb_d_gen_const(y,negativetwo,idim,ictxt,desc_a,info)
call psb_geaxpby(one,x,one,y,desc_a,info)
hasitnotfailed = psb_check_ans(y,negativeone,ictxt)
if (iam == psb_root_) then
if(hasitnotfailed) write(psb_out_unit,'("TEST PASSED >>> axpby Y = X + Y")')
if(.not.hasitnotfailed) write(psb_out_unit,'("TEST FAILED --- axpby Y = X + Y ")')
end if
if (info == psb_success_) call psb_geasb(x,desc_a,info)
if (info == psb_success_) call psb_geasb(y,desc_a,info)
if (info == psb_success_) call psb_geasb(z,desc_a,info)
if (info == psb_success_) call psb_geasb(absz,desc_a,info)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='vec asb rout.'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
! X = 1 , Y = 2, Y = -X + Y = -1 +2 = 1
call psb_d_gen_const(x,one,idim,ictxt,desc_a,info)
call psb_d_gen_const(y,two,idim,ictxt,desc_a,info)
call psb_geaxpby(negativeone,x,one,y,desc_a,info)
hasitnotfailed = psb_check_ans(y,one,ictxt)
if (iam == psb_root_) then
if(hasitnotfailed) write(psb_out_unit,'("TEST PASSED >>> axpby Y = -X + Y")')
if(.not.hasitnotfailed) write(psb_out_unit,'("TEST FAILED --- axpby Y = -X + Y ")')
end if
call psb_barrier(ictxt)
t2 = psb_wtime() - t1
if (iam == psb_root_) write(psb_out_unit,'("Overall vector creation time : ",es12.5)')t2
! X = 2 , Y = -2, Y = 0.5*X + Y = 1 - 2 = -1
call psb_d_gen_const(x,two,idim,ictxt,desc_a,info)
call psb_d_gen_const(y,negativetwo,idim,ictxt,desc_a,info)
call psb_geaxpby(onehalf,x,one,y,desc_a,info)
hasitnotfailed = psb_check_ans(y,negativeone,ictxt)
if (iam == psb_root_) then
vx = x%get_vect()
write(psb_out_unit,'("x = ",es12.1)')vx(:)
vy = y%get_vect()
write(psb_out_unit,'("y = ",es12.1)')vy(:)
if(hasitnotfailed) write(psb_out_unit,'("TEST PASSED >>> axpby Y = 0.5 X + Y")')
if(.not.hasitnotfailed) write(psb_out_unit,'("TEST FAILED --- axpby Y = 0.5 X + Y ")')
end if
!
! Vector operations
!
dotresult = psb_gedot(x,y,desc_a,info) ! Dot-product
if (iam == psb_root_) write(psb_out_unit,'("Dot product result : ",es12.5)')dotresult
call psb_geaxpby(1.0_psb_dpk_, x, 1.0_psb_dpk_, y, desc_a, info) ! \alpha x + \beta y
! X = -2 , Y = 1, Z = 0, Z = X + Y = -2 + 1 = -1
call psb_d_gen_const(x,negativetwo,idim,ictxt,desc_a,info)
call psb_d_gen_const(y,one,idim,ictxt,desc_a,info)
call psb_d_gen_const(z,dzero,idim,ictxt,desc_a,info)
call psb_geaxpby(one,x,one,y,z,desc_a,info)
hasitnotfailed = psb_check_ans(z,negativeone,ictxt)
if (iam == psb_root_) then
write(psb_out_unit,'("axpby : x + y")')
vx = x%get_vect()
write(psb_out_unit,'("x = ",es12.1)')vx(:)
vy = y%get_vect()
write(psb_out_unit,'("y = ",es12.1)')vy(:)
if(hasitnotfailed) write(psb_out_unit,'("TEST PASSED >>> axpby Z = X + Y")')
if(.not.hasitnotfailed) write(psb_out_unit,'("TEST FAILED --- axpby Z = X + Y ")')
end if
call psb_gemlt(x,y,desc_a,info)
! X = 2 , Y = 1, Z = 0, Z = X - Y = 2 - 1 = 1
call psb_d_gen_const(x,two,idim,ictxt,desc_a,info)
call psb_d_gen_const(y,one,idim,ictxt,desc_a,info)
call psb_d_gen_const(z,dzero,idim,ictxt,desc_a,info)
call psb_geaxpby(one,x,negativeone,y,z,desc_a,info)
hasitnotfailed = psb_check_ans(z,one,ictxt)
if (iam == psb_root_) then
write(psb_out_unit,'("mlt : y = x*y ")')
vx = x%get_vect()
write(psb_out_unit,'("x = ",es12.1)')vx(:)
vy = y%get_vect()
write(psb_out_unit,'("y = ",es12.1)')vy(:)
if(hasitnotfailed) write(psb_out_unit,'("TEST PASSED >>> axpby Z = X - Y")')
if(.not.hasitnotfailed) write(psb_out_unit,'("TEST FAILED --- axpby Z = X - Y ")')
end if
call psb_gemlt(1.0_psb_dpk_,x,y,0.0_psb_dpk_,z,desc_a,info)
! X = 2 , Y = 1, Z = 0, Z = -X + Y = -2 + 1 = -1
call psb_d_gen_const(x,two,idim,ictxt,desc_a,info)
call psb_d_gen_const(y,one,idim,ictxt,desc_a,info)
call psb_d_gen_const(z,dzero,idim,ictxt,desc_a,info)
call psb_geaxpby(negativeone,x,one,y,z,desc_a,info)
hasitnotfailed = psb_check_ans(z,negativeone,ictxt)
if (iam == psb_root_) then
write(psb_out_unit,'("mlt : z = x*y ")')
vx = x%get_vect()
write(psb_out_unit,'("x = ",es12.1)')vx(:)
vy = y%get_vect()
write(psb_out_unit,'("y = ",es12.1)')vy(:)
vz = z%get_vect()
write(psb_out_unit,'("z = ",es12.1)')vz(:)
if(hasitnotfailed) write(psb_out_unit,'("TEST PASSED >>> axpby Z = -X + Y")')
if(.not.hasitnotfailed) write(psb_out_unit,'("TEST FAILED --- axpby Z = -X + Y ")')
end if
call psb_gediv(x,y,desc_a,info)
! X = 2 , Y = -0.5, Z = 0, Z = X*Y = 2*(-0.5) = -1
call psb_d_gen_const(x,two,idim,ictxt,desc_a,info)
call psb_d_gen_const(y,negativeonehalf,idim,ictxt,desc_a,info)
call psb_d_gen_const(z,dzero,idim,ictxt,desc_a,info)
call psb_gemlt(one,x,y,dzero,z,desc_a,info)
hasitnotfailed = psb_check_ans(z,negativeone,ictxt)
if (iam == psb_root_) then
write(psb_out_unit,'("div : x = x/y")')
vx = x%get_vect()
write(psb_out_unit,'("x = ",es12.1)')vx(:)
vy = y%get_vect()
write(psb_out_unit,'("y = ",es12.1)')vy(:)
if(hasitnotfailed) write(psb_out_unit,'("TEST PASSED >>> mlt Z = X*Y")')
if(.not.hasitnotfailed) write(psb_out_unit,'("TEST FAILED --- mlt Z = X*Y ")')
end if
! X = 1 , Y = 2, Z = 0, Z = X/Y = 1/2 = 0.5
call psb_d_gen_const(x,one,idim,ictxt,desc_a,info)
call psb_d_gen_const(y,two,idim,ictxt,desc_a,info)
call psb_d_gen_const(z,dzero,idim,ictxt,desc_a,info)
call psb_gediv(x,y,z,desc_a,info)
hasitnotfailed = psb_check_ans(z,onehalf,ictxt)
if (iam == psb_root_) then
write(psb_out_unit,'("div : z = x/y")')
vx = x%get_vect()
write(psb_out_unit,'("x = ",es12.1)')vx(:)
vy = y%get_vect()
write(psb_out_unit,'("y = ",es12.1)')vy(:)
vz = z%get_vect()
write(psb_out_unit,'("z = ",es12.1)')vz(:)
if(hasitnotfailed) write(psb_out_unit,'("TEST PASSED >>> div Z = X/Y")')
if(.not.hasitnotfailed) write(psb_out_unit,'("TEST FAILED --- div Z = X/Y ")')
end if
call psb_geinv(x,z,desc_a,info)
! X = -1 , Z = 0, Z = |X| = |-1| = 1
call psb_d_gen_const(x,negativeone,idim,ictxt,desc_a,info)
call psb_d_gen_const(z,dzero,idim,ictxt,desc_a,info)
call psb_geabs(x,z,desc_a,info)
hasitnotfailed = psb_check_ans(z,one,ictxt)
if (iam == psb_root_) then
write(psb_out_unit,'("inv : z = 1/x")')
vx = x%get_vect()
write(psb_out_unit,'("x = ",es12.1)')vx(:)
vz = z%get_vect()
write(psb_out_unit,'("z = ",es12.1)')vz(:)
if(hasitnotfailed) write(psb_out_unit,'("TEST PASSED >>> abs Z = |X|")')
if(.not.hasitnotfailed) write(psb_out_unit,'("TEST FAILED --- abs Z = |X| ")')
end if
call psb_geaxpby(-1.0_psb_dpk_, x, 0.0_psb_dpk_, x, desc_a, info)
! X = 2 , Z = 0, Z = 1/X = 1/2 = 0.5
call psb_d_gen_const(x,two,idim,ictxt,desc_a,info)
call psb_d_gen_const(z,dzero,idim,ictxt,desc_a,info)
call psb_geinv(x,z,desc_a,info)
hasitnotfailed = psb_check_ans(z,onehalf,ictxt)
if (iam == psb_root_) then
write(psb_out_unit,'("abs : z = |x|")')
vx = x%get_vect()
write(psb_out_unit,'("x = ",es12.1)')vx(:)
if(hasitnotfailed) write(psb_out_unit,'("TEST PASSED >>> inv Z = 1/X")')
if(.not.hasitnotfailed) write(psb_out_unit,'("TEST FAILED --- inv Z = 1/X ")')
end if
call psb_geabs(x,absz,desc_a,info)
! X = 1, Z = 0, c = -2, Z = X + c = -1
call psb_d_gen_const(x,one,idim,ictxt,desc_a,info)
call psb_d_gen_const(z,dzero,idim,ictxt,desc_a,info)
call psb_geaddconst(x,negativetwo,z,desc_a,info)
hasitnotfailed = psb_check_ans(z,negativeone,ictxt)
if (iam == psb_root_) then
vz = absz%get_vect()
write(psb_out_unit,'("|x| = ",es12.1)')vz(:)
if(hasitnotfailed) write(psb_out_unit,'("TEST PASSED >>> Add constant Z = X + c")')
if(.not.hasitnotfailed) write(psb_out_unit,'("TEST FAILED --- Add constant Z = X + c")')
end if
c = 1.0/5.0;
call psb_gecmp(x,c,z,desc_a,info);
!
! Vector to field operation
!
if (iam == psb_root_) write(psb_out_unit,'(" ")')
if (iam == psb_root_) write(psb_out_unit,'("Vector to Field Operations")')
if (iam == psb_root_) write(psb_out_unit,'(" ")')
! Dot product
call psb_d_gen_const(x,two,idim,ictxt,desc_a,info)
call psb_d_gen_const(y,onehalf,idim,ictxt,desc_a,info)
ans = psb_gedot(x,y,desc_a,info)
if (iam == psb_root_) then
write(psb_out_unit,'("|z(i)| >=",es12.1)')c
vx = x%get_vect()
write(psb_out_unit,'("x = ",es12.1)')vx(:)
vz = z%get_vect()
write(psb_out_unit,'("z = ",es12.1)')vz(:)
if(ans == np*idim) write(psb_out_unit,'("TEST PASSED >>> Dot product")')
if(ans /= np*idim) write(psb_out_unit,'("TEST FAILED --- Dot product")')
end if
call psb_mask(z,x,absz,t,desc_a,info)
write(psb_out_unit,'("Computation of vector norms:")')
norm1 = psb_norm1(x,desc_a,info)
norm2 = psb_norm2(x,desc_a,info)
norm2w = psb_norm2(x,absz,desc_a,info)
norm2wc = psb_norm2(x,absz,z,desc_a,info)
norminf = psb_normi(x,desc_a,info)
! MaxNorm
call psb_d_gen_const(x,negativeonehalf,idim,ictxt,desc_a,info)
ans = psb_geamax(x,desc_a,info)
if (iam == psb_root_) then
write(psb_out_unit,'("\|x\|_inf : ",es12.5," \|x\|_1 :",es12.5)')norminf,norm1
write(psb_out_unit,'(" \|x\|_2 : ",es12.5," \|x\|_2,w : ",es12.5)')norm2,norm2w
write(psb_out_unit,'(" masked \|x\|_2,w : ",es12.5)')norm2wc
if(ans == onehalf) write(psb_out_unit,'("TEST PASSED >>> MaxNorm")')
if(ans /= onehalf) write(psb_out_unit,'("TEST FAILED --- MaxNorm")')
end if
!
! cleanup storage and exit
!
call psb_gefree(x,desc_a,info)
call psb_gefree(y,desc_a,info)
call psb_gefree(z,desc_a,info)
call psb_gefree(absz,desc_a,info)
call psb_cdfree(desc_a,info)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
@ -279,6 +372,8 @@ program vecoperation
goto 9999
end if
call psb_exit(ictxt)
stop

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