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elpa
Commit 6febaf23 authored by Pavel Kus's avatar Pavel Kus
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passing useGPU to tridiagonal solver

parent 8b5fa5e3
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Showing with 34 additions and 24 deletions
src/elpa1/elpa1_merge_systems_real_template.F90
View file @ 6febaf23
......@@ -57,7 +57,7 @@
subroutine merge_systems_&
&PRECISION &
(obj, na, nm, d, e, q, ldq, nqoff, nblk, matrixCols, mpi_comm_rows, mpi_comm_cols, &
l_col, p_col, l_col_out, p_col_out, npc_0, npc_n, wantDebug, success)
l_col, p_col, l_col_out, p_col_out, npc_0, npc_n, useGPU, wantDebug, success)
use precision
use elpa_abstract_impl
......@@ -73,7 +73,7 @@
#else
real(kind=REAL_DATATYPE), intent(inout) :: q(ldq,matrixCols)
#endif
logical, intent(in) :: wantDebug
logical, intent(in) :: useGPU, wantDebug
logical, intent(out) :: success
integer(kind=ik), parameter :: max_strip=128
......@@ -729,9 +729,14 @@
! 1.d0,qtmp2(1,1),ubound(qtmp2,1))
! else
call obj%timer%start("blas")
call obj%timer%start("gemm-first")
if (l_rnm>0 .and. ncnt>0 .and. nnzu>0) &
call PRECISION_GEMM('N', 'N', l_rnm, ncnt, nnzu, 1.0_rk, qtmp1, ubound(qtmp1,dim=1), ev, ubound(ev,dim=1), &
1.0_rk, qtmp2(1,1), ubound(qtmp2,dim=1))
!write(*,*) "merging-first", l_rnm, ncnt, nnzu
call PRECISION_GEMM('N', 'N', l_rnm, ncnt, nnzu, &
1.0_rk, qtmp1, ubound(qtmp1,dim=1), &
ev, ubound(ev,dim=1), &
1.0_rk, qtmp2(1,1), ubound(qtmp2,dim=1))
call obj%timer%stop("gemm-first")
call obj%timer%stop("blas")
! endif ! useGPU
! Compute eigenvectors of the rank-1 modified matrix.
......@@ -756,9 +761,14 @@
! 1.d0,qtmp2(l_rnm+1,1),ubound(qtmp2,1))
! else
call obj%timer%start("blas")
call obj%timer%start("gemm")
if (l_rows-l_rnm>0 .and. ncnt>0 .and. nnzl>0) &
call PRECISION_GEMM('N', 'N', l_rows-l_rnm, ncnt, nnzl, 1.0_rk, qtmp1(l_rnm+1,1), ubound(qtmp1,dim=1), ev, &
ubound(ev,dim=1), 1.0_rk, qtmp2(l_rnm+1,1), ubound(qtmp2,dim=1))
!write(*,*) "merging ", l_rows-l_rnm, ncnt, nnzl
call PRECISION_GEMM('N', 'N', l_rows-l_rnm, ncnt, nnzl, &
1.0_rk, qtmp1(l_rnm+1,1), ubound(qtmp1,dim=1), &
ev, ubound(ev,dim=1), &
1.0_rk, qtmp2(l_rnm+1,1), ubound(qtmp2,dim=1))
call obj%timer%stop("gemm")
call obj%timer%stop("blas")
! endif ! useGPU
! Put partial result into (output) Q
......@@ -767,8 +777,8 @@
q(l_rqs:l_rqe,l_col_out(idxq1(i+ns))) = qtmp2(1:l_rows,i)
enddo
enddo
enddo
enddo !ns = 0, nqcols1-1, max_strip ! strimining loop
enddo !do np = 1, npc_n
deallocate(ev, qtmp1, qtmp2, stat=istat, errmsg=errorMessage)
if (istat .ne. 0) then
......
src/elpa1/elpa1_solve_tridi_real_template.F90
View file @ 6febaf23
......@@ -57,7 +57,7 @@
subroutine solve_tridi_&
&PRECISION_AND_SUFFIX &
( obj, na, nev, d, e, q, ldq, nblk, matrixCols, mpi_comm_rows, &
mpi_comm_cols, wantDebug, success )
mpi_comm_cols, useGPU, wantDebug, success )
use precision
use elpa_abstract_impl
......@@ -71,7 +71,7 @@ subroutine solve_tridi_&
#else
real(kind=REAL_DATATYPE), intent(inout) :: q(ldq,matrixCols)
#endif
logical, intent(in) :: wantDebug
logical, intent(in) :: useGPU, wantDebug
logical, intent(out) :: success
integer(kind=ik) :: i, j, n, np, nc, nev1, l_cols, l_rows
......@@ -145,7 +145,7 @@ subroutine solve_tridi_&
call solve_tridi_col_&
&PRECISION_AND_SUFFIX &
(obj, l_cols, nev1, nc, d(nc+1), e(nc+1), q, ldq, nblk, &
matrixCols, mpi_comm_rows, wantDebug, success)
matrixCols, mpi_comm_rows, useGPU, wantDebug, success)
if (.not.(success)) then
call obj%timer%stop("solve_tridi" // PRECISION_SUFFIX)
return
......@@ -220,7 +220,7 @@ subroutine solve_tridi_&
! Recursively merge sub problems
call merge_recursive_&
&PRECISION &
(obj, 0, np_cols, wantDebug, success)
(obj, 0, np_cols, useGPU, wantDebug, success)
if (.not.(success)) then
call obj%timer%stop("solve_tridi" // PRECISION_SUFFIX)
return
......@@ -238,7 +238,7 @@ subroutine solve_tridi_&
contains
recursive subroutine merge_recursive_&
&PRECISION &
(obj, np_off, nprocs, wantDebug, success)
(obj, np_off, nprocs, useGPU, wantDebug, success)
use precision
use elpa_abstract_impl
implicit none
......@@ -252,7 +252,7 @@ subroutine solve_tridi_&
#ifdef WITH_MPI
! integer(kind=ik) :: my_mpi_status(mpi_status_size)
#endif
logical, intent(in) :: wantDebug
logical, intent(in) :: useGPU, wantDebug
logical, intent(out) :: success
success = .true.
......@@ -270,11 +270,11 @@ subroutine solve_tridi_&
if (np1 > 1) call merge_recursive_&
&PRECISION &
(obj, np_off, np1, wantDebug, success)
(obj, np_off, np1, useGPU, wantDebug, success)
if (.not.(success)) return
if (np2 > 1) call merge_recursive_&
&PRECISION &
(obj, np_off+np1, np2, wantDebug, success)
(obj, np_off+np1, np2, useGPU, wantDebug, success)
if (.not.(success)) return
noff = limits(np_off)
......@@ -328,7 +328,7 @@ subroutine solve_tridi_&
&PRECISION &
(obj, nlen, nmid, d(noff+1), e(noff+nmid), q, ldq, noff, &
nblk, matrixCols, mpi_comm_rows, mpi_comm_cols, l_col, p_col, &
l_col_bc, p_col_bc, np_off, nprocs, wantDebug, success )
l_col_bc, p_col_bc, np_off, nprocs, useGPU, wantDebug, success )
if (.not.(success)) return
else
! Not last merge, leave dense column distribution
......@@ -336,7 +336,7 @@ subroutine solve_tridi_&
&PRECISION &
(obj, nlen, nmid, d(noff+1), e(noff+nmid), q, ldq, noff, &
nblk, matrixCols, mpi_comm_rows, mpi_comm_cols, l_col(noff+1), p_col(noff+1), &
l_col(noff+1), p_col(noff+1), np_off, nprocs, wantDebug, success )
l_col(noff+1), p_col(noff+1), np_off, nprocs, useGPU, wantDebug, success )
if (.not.(success)) return
endif
end subroutine merge_recursive_&
......@@ -347,7 +347,7 @@ subroutine solve_tridi_&
subroutine solve_tridi_col_&
&PRECISION_AND_SUFFIX &
( obj, na, nev, nqoff, d, e, q, ldq, nblk, matrixCols, mpi_comm_rows, wantDebug, success )
( obj, na, nev, nqoff, d, e, q, ldq, nblk, matrixCols, mpi_comm_rows, useGPU, wantDebug, success )
! Solves the symmetric, tridiagonal eigenvalue problem on one processor column
! with the divide and conquer method.
......@@ -373,7 +373,7 @@ subroutine solve_tridi_&
integer(kind=ik) :: my_prow, np_rows, mpierr
integer(kind=ik), allocatable :: limits(:), l_col(:), p_col_i(:), p_col_o(:)
logical, intent(in) :: wantDebug
logical, intent(in) :: useGPU, wantDebug
logical, intent(out) :: success
integer(kind=ik) :: istat
character(200) :: errorMessage
......@@ -550,7 +550,7 @@ subroutine solve_tridi_&
&PRECISION &
(obj, nlen, nmid, d(noff+1), e(noff+nmid), q, ldq, nqoff+noff, nblk, &
matrixCols, mpi_comm_rows, mpi_comm_self, l_col(noff+1), p_col_i(noff+1), &
l_col(noff+1), p_col_o(noff+1), 0, 1, wantDebug, success)
l_col(noff+1), p_col_o(noff+1), 0, 1, useGPU, wantDebug, success)
if (.not.(success)) return
enddo
......
src/elpa1/elpa1_template.F90
View file @ 6febaf23
......@@ -314,7 +314,7 @@ function elpa_solve_evp_&
#if COMPLEXCASE == 1
q_real, l_rows, &
#endif
nblk, matrixCols, mpi_comm_rows, mpi_comm_cols, wantDebug, success)
nblk, matrixCols, mpi_comm_rows, mpi_comm_cols, do_useGPU, wantDebug, success)
call obj%timer%stop("solve")
if (.not.(success)) return
endif !do_solve
......
src/elpa1/elpa_solve_tridi_impl_public.F90
View file @ 6febaf23
......@@ -116,7 +116,7 @@
call solve_tridi_&
&PRECISION&
&_private_impl(obj, na, nev, d, e, q, ldq, nblk, matrixCols, &
mpi_comm_rows, mpi_comm_cols, wantDebug, success)
mpi_comm_rows, mpi_comm_cols,.false., wantDebug, success)
call obj%timer%stop("elpa_solve_tridi_public_&
&MATH_DATATYPE&
......
src/elpa2/elpa2_template.F90
View file @ 6febaf23
......@@ -541,7 +541,7 @@
#if COMPLEXCASE == 1
q_real, ubound(q_real,dim=1), &
#endif
nblk, matrixCols, mpi_comm_rows, mpi_comm_cols, wantDebug, success)
nblk, matrixCols, mpi_comm_rows, mpi_comm_cols, do_useGPU, wantDebug, success)
call obj%timer%stop("solve")
if (.not.(success)) return
endif ! do_solve_tridi
......
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