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elpa
elpa
Commits
50d499f0
Commit
50d499f0
authored
Jan 09, 2018
by
Pavel Kus
Browse files
generalized eigenproblem uses elpa's hermitian multiply
parent
316c3a39
Changes
1
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Inline
Side-by-side
src/elpa_impl_template.F90
View file @
50d499f0
...
...
@@ -13,6 +13,8 @@
integer
::
error
integer
::
sc_desc
(
9
)
logical
,
parameter
::
do_use_elpa_hermitian_multiply
=
.true.
! local helper array. TODO: do we want it this way? (do we need it? )
MATH_DATATYPE
(
kind
=
rck
)
::
tmp
(
self
%
local_nrows
,
self
%
local_ncols
)
...
...
@@ -28,26 +30,31 @@
&
ELPA_IMPL_SUFFIX
&
&(
b
,
error
)
if
(
error
.NE.
ELPA_OK
)
return
! ! tmp <- inv(U^T) * A
! call self%elpa_hermitian_multiply_&
! &ELPA_IMPL_SUFFIX&
! &('U','F', self%na, b, a, self%local_nrows, self%local_ncols, tmp, &
! self%local_nrows, self%local_ncols, error)
! if(error .NE. ELPA_OK) return
! A <= inv(U)^T * A
call
self
%
timer_start
(
"scalapack multiply inv(U)^T * A"
)
if
(
do_use_elpa_hermitian_multiply
)
then
! tmp <- inv(U^T) * A
call
self
%
elpa_hermitian_multiply_
&
&
ELPA_IMPL_SUFFIX
&
&(
'U'
,
'F'
,
self
%
na
,
b
,
a
,
self
%
local_nrows
,
self
%
local_ncols
,
tmp
,
&
self
%
local_nrows
,
self
%
local_ncols
,
error
)
if
(
error
.NE.
ELPA_OK
)
return
a
(
1
:
self
%
local_nrows
,
1
:
self
%
local_ncols
)
=
tmp
(
1
:
self
%
local_nrows
,
1
:
self
%
local_ncols
)
else
! A <= inv(U)^T * A
call
self
%
timer_start
(
"scalapack multiply inv(U)^T * A"
)
#ifdef WITH_MPI
call
p
&
&
BLAS_CHAR
&
&
trmm
(
"L"
,
"U"
,
BLAS_TRANS_OR_CONJ
,
"N"
,
self
%
na
,
self
%
na
,
&
ONE
,
b
,
1
,
1
,
sc_desc
,
a
,
1
,
1
,
sc_desc
)
call
p
&
&
BLAS_CHAR
&
&
trmm
(
"L"
,
"U"
,
BLAS_TRANS_OR_CONJ
,
"N"
,
self
%
na
,
self
%
na
,
&
ONE
,
b
,
1
,
1
,
sc_desc
,
a
,
1
,
1
,
sc_desc
)
#else
call
BLAS_CHAR
&
&
trmm
(
"L"
,
"U"
,
BLAS_TRANS_OR_CONJ
,
"N"
,
self
%
na
,
self
%
na
,
&
ONE
,
b
,
self
%
na
,
a
,
self
%
na
)
call
BLAS_CHAR
&
&
trmm
(
"L"
,
"U"
,
BLAS_TRANS_OR_CONJ
,
"N"
,
self
%
na
,
self
%
na
,
&
ONE
,
b
,
self
%
na
,
a
,
self
%
na
)
#endif
call
self
%
timer_stop
(
"scalapack multiply inv(U)^T * A"
)
call
self
%
timer_stop
(
"scalapack multiply inv(U)^T * A"
)
endif
! do_use_elpa_hermitian_multiply
! A <= inv(U)^T * A * inv(U)
call
self
%
timer_start
(
"scalapack multiply A * inv(U)"
)
...
...
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