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Check METIS real size, use it where appropriate

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mat-allocate
Salvatore Filippone 4 years ago
parent 9993e5547c
commit 51bcdf7e2b
5 changed files with 115 additions and 25 deletions
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10
config/pac.m4
Unescape Escape View File

@ -1850,17 +1850,17 @@ fi
if test "x$pac_metis_header_ok" == "xyes" ; then
AC_LANG_PUSH([C])
AC_MSG_CHECKING([for METIS idx size])
AC_MSG_CHECKING([for METIS real size])
AC_LINK_IFELSE([AC_LANG_SOURCE(
#include <stdio.h>
#include "$psblas_cv_metisincfile"
void main(){
printf("%d\n",IDXTYPEWIDTH);
printf("%d\n",REALTYPEWIDTH);
}
)],
[pac_cv_metis_idx=`./conftest${ac_exeext} | sed 's/^ *//'`],
[pac_cv_metis_idx="unknown"])
AC_MSG_RESULT($pac_cv_metis_idx)
[pac_cv_metis_real=`./conftest${ac_exeext} | sed 's/^ *//'`],
[pac_cv_metis_real="unknown"])
AC_MSG_RESULT($pac_cv_metis_real)
AC_LANG_POP()
fi

23
configure vendored
Unescape Escape View File

@ -8988,26 +8988,26 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for METIS idx size" >&5
$as_echo_n "checking for METIS idx size... " >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for METIS real size" >&5
$as_echo_n "checking for METIS real size... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <stdio.h>
#include "$psblas_cv_metisincfile"
void main(){
printf("%d\n",IDXTYPEWIDTH);
printf("%d\n",REALTYPEWIDTH);
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
pac_cv_metis_idx=`./conftest${ac_exeext} | sed 's/^ *//'`
pac_cv_metis_real=`./conftest${ac_exeext} | sed 's/^ *//'`
else
pac_cv_metis_idx="unknown"
pac_cv_metis_real="unknown"
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pac_cv_metis_idx" >&5
$as_echo "$pac_cv_metis_idx" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pac_cv_metis_real" >&5
$as_echo "$pac_cv_metis_real" >&6; }
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
@ -9180,9 +9180,14 @@ if test "x$pac_cv_metis_idx" == "xunknown" ; then
$as_echo "$as_me: Unknown METIS bitsize." >&6;}
$psblas_cv_have_metis = "no";
fi
if test "x$pac_cv_metis_real" == "xunknown" ; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: Unknown METIS REAL bitsize." >&5
$as_echo "$as_me: Unknown METIS REAL bitsize." >&6;}
$psblas_cv_have_metis = "no";
fi
if test "x$psblas_cv_have_metis" == "xyes" ; then
FDEFINES="$psblas_cv_define_prepend-DHAVE_METIS $psblas_cv_define_prepend-DMETIS_$pac_cv_metis_idx $FDEFINES"
CDEFINES="-DHAVE_METIS_ $psblas_cv_metis_includes $CDEFINES -DMETIS_$pac_cv_metis_idx"
FDEFINES="$psblas_cv_define_prepend-DHAVE_METIS $psblas_cv_define_prepend-DMETIS_$pac_cv_metis_idx $psblas_cv_define_prepend-DMETIS_REAL_$pac_cv_metis_real $FDEFINES"
CDEFINES="-DHAVE_METIS_ $psblas_cv_metis_includes $CDEFINES -DMETIS_$pac_cv_metis_idx -DMETIS_REAL_$pac_cv_metis_real"
METISINCFILE=$psblas_cv_metisincfile
fi

9
configure.ac
Unescape Escape View File

@ -716,9 +716,14 @@ if test "x$pac_cv_metis_idx" == "xunknown" ; then
AC_MSG_NOTICE([Unknown METIS bitsize.])
$psblas_cv_have_metis = "no";
fi
if test "x$pac_cv_metis_real" == "xunknown" ; then
dnl mismatch between metis size and PSBLAS LPK
AC_MSG_NOTICE([Unknown METIS REAL bitsize.])
$psblas_cv_have_metis = "no";
fi
if test "x$psblas_cv_have_metis" == "xyes" ; then
FDEFINES="$psblas_cv_define_prepend-DHAVE_METIS $psblas_cv_define_prepend-DMETIS_$pac_cv_metis_idx $FDEFINES"
CDEFINES="-DHAVE_METIS_ $psblas_cv_metis_includes $CDEFINES -DMETIS_$pac_cv_metis_idx"
FDEFINES="$psblas_cv_define_prepend-DHAVE_METIS $psblas_cv_define_prepend-DMETIS_$pac_cv_metis_idx $psblas_cv_define_prepend-DMETIS_REAL_$pac_cv_metis_real $FDEFINES"
CDEFINES="-DHAVE_METIS_ $psblas_cv_metis_includes $CDEFINES -DMETIS_$pac_cv_metis_idx -DMETIS_REAL_$pac_cv_metis_real"
METISINCFILE=$psblas_cv_metisincfile
fi

33
util/psb_metis_int.c
Unescape Escape View File

@ -2,6 +2,7 @@
#if defined(HAVE_METIS_)
#include "psb_metis_int.h"
#if defined(METIS_REAL_32)
int metis_PartGraphKway_C(idx_t *n, idx_t *ixadj, idx_t *iadj, idx_t *ivwg,
idx_t *iajw, idx_t *nparts, float *weights,
idx_t *graphpart)
@ -34,6 +35,38 @@ int metis_PartGraphKway_C(idx_t *n, idx_t *ixadj, idx_t *iadj, idx_t *ivwg,
}
}
#elif defined(METIS_REAL_64)
int metis_PartGraphKway_C(idx_t *n, idx_t *ixadj, idx_t *iadj, idx_t *ivwg,
idx_t *iajw, idx_t *nparts, double *weights,
idx_t *graphpart)
{
int res = -1;
idx_t objval = 0;
idx_t options[METIS_NOPTIONS];
//printf("Inside Metis/C interface\n");
idx_t ncon=1;
METIS_SetDefaultOptions(options);
options[METIS_OPTION_NUMBERING] = 1;
//printf("n:%p ncon:%p ixadj:%p iadj:%p npart:%p weights:%p options:%p objval:%p graphpart: %p\n",n,&ncon,ixadj,iadj,nparts,NULL,options,&objval,graphpart);
/* fprintf(stderr,"From metis_int: %f\n",weights[0]); */
if (weights[0] == -1.0) {
res = METIS_PartGraphKway((idx_t*)n,(idx_t *)&ncon,(idx_t *)ixadj,(idx_t *)iadj,
NULL,NULL,NULL,(idx_t *)nparts,NULL,NULL,options,
&objval,(idx_t *)graphpart);
} else {
/* res = METIS_PartGraphKway((idx_t*)n,(idx_t *)&ncon,(idx_t *)ixadj,(idx_t *)iadj, */
/* NULL,NULL,NULL,(idx_t *)nparts,NULL,NULL,NULL, */
/* &objval,(idx_t *)graphpart); */
res = METIS_PartGraphKway((idx_t*)n,(idx_t *)&ncon,(idx_t *)ixadj,(idx_t *)iadj,
NULL,NULL,NULL,(idx_t *)nparts,weights,NULL,options,
&objval,(idx_t *)graphpart);
}
if (res == METIS_OK) {
return(0);
} else {
return res;
}
}
#else

65
util/psb_metispart_mod.F90
Unescape Escape View File

@ -77,8 +77,13 @@ module psb_metispart_mod
integer(psb_lpk_), intent(in) :: n, nparts
integer(psb_lpk_), intent(in) :: ja(:), irp(:)
integer(psb_lpk_), allocatable, intent(inout) :: vect(:)
#if defined(METIS_REAL_32)
real(psb_spk_),optional, intent(in) :: weights(:)
#elif defined(METIS_REAL_64)
real(psb_dpk_),optional, intent(in) :: weights(:)
#else
choke on me;
#endif
end subroutine psi_l_build_mtpart
end interface
@ -181,8 +186,13 @@ contains
type(psb_ld_csr_sparse_mat), intent(in) :: a
integer(psb_lpk_) :: nparts
real(psb_dpk_), optional :: weights(:)
#if defined(METIS_REAL_32)
real(psb_spk_), allocatable :: wgh_(:)
#elif defined(METIS_REAL_64)
real(psb_dpk_), allocatable :: wgh_(:)
#else
choke on me;
#endif
if (present(weights)) then
if (size(weights)==nparts) then
@ -220,8 +230,13 @@ contains
type(psb_lz_csr_sparse_mat), intent(in) :: a
integer(psb_lpk_) :: nparts
real(psb_dpk_), optional :: weights(:)
#if defined(METIS_REAL_32)
real(psb_spk_), allocatable :: wgh_(:)
#elif defined(METIS_REAL_64)
real(psb_dpk_), allocatable :: wgh_(:)
#else
choke on me;
#endif
if (present(weights)) then
if (size(weights)==nparts) then
@ -276,9 +291,25 @@ contains
type(psb_lc_csr_sparse_mat), intent(in) :: a
integer(psb_lpk_) :: nparts
real(psb_spk_), optional :: weights(:)
call psi_build_mtpart(a%get_nrows(),a%ja,a%irp,nparts,graph_vect,weights)
#if defined(METIS_REAL_32)
real(psb_spk_), allocatable :: wgh_(:)
#elif defined(METIS_REAL_64)
real(psb_dpk_), allocatable :: wgh_(:)
#else
choke on me;
#endif
if (present(weights)) then
if (size(weights)==nparts) then
wgh_ = weights
end if
end if
if (allocated(wgh_)) then
call psi_build_mtpart(a%get_nrows(),a%ja,a%irp,nparts,graph_vect,wgh_)
else
call psi_build_mtpart(a%get_nrows(),a%ja,a%irp,nparts,graph_vect)
end if
end subroutine lc_csr_build_mtpart
@ -288,10 +319,26 @@ contains
type(psb_ls_csr_sparse_mat), intent(in) :: a
integer(psb_lpk_) :: nparts
real(psb_spk_), optional :: weights(:)
call psi_build_mtpart(a%get_nrows(),a%ja,a%irp,nparts,graph_vect,weights)
#if defined(METIS_REAL_32)
real(psb_spk_), allocatable :: wgh_(:)
#elif defined(METIS_REAL_64)
real(psb_dpk_), allocatable :: wgh_(:)
#else
choke on me;
#endif
if (present(weights)) then
if (size(weights)==nparts) then
wgh_ = weights
end if
end if
if (allocated(wgh_)) then
call psi_build_mtpart(a%get_nrows(),a%ja,a%irp,nparts,graph_vect,wgh_)
else
call psi_build_mtpart(a%get_nrows(),a%ja,a%irp,nparts,graph_vect)
end if
end subroutine ls_csr_build_mtpart
!

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