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Rewrote AOs HPC in C

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This commit is contained in:
Anthony Scemama 2022-02-16 00:21:37 +01:00
parent d83dad53cf
commit 1c681d4d7e
3 changed files with 200 additions and 251 deletions
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40
README.md
View File

@ -36,12 +36,39 @@ make check
## For users
Obtain a source distribution and run
Obtain a source distribution.
To build the documentation version:
```
./configure
make
make check
```
To build an optimized version with Intel compilers:
```
./configure \
--with-icc \
--with-ifort \
--enable-hpc \
--with-openmp
```
To build an optimized version with GCC:
```
./configure \
CC=gcc \
CFLAGS="-g -O2 -march=native -flto -fno-trapping-math -fno-math-errno -ftree-vectorize" \
FC=gfortran \
FCFLAGS="-g -O2 -march=native -flto -ftree-vectorize" \
--enable-hpc \
--with-openmp
```
Then, compile with:
```
make -j
make -j check
sudo make install
sudo make installcheck
```
@ -54,7 +81,12 @@ by the preprocessor otherwise). To enable vfc_ci support, the library should be
configured with the following command :
```
./configure --prefix=$PWD/_install \ --enable-vfc_ci --host=x86_64 \ CC="verificarlo-f" FC="verificarlo-f"
./configure \
CC="verificarlo-f" \
FC="verificarlo-f" \
--prefix=$PWD/_install \
--enable-vfc_ci \
--host=x86_64 \
```
where CC and FC are set to verificarlo-f, and support is explicitely enabled

8
configure.ac
View File

@ -204,10 +204,10 @@ case $FC in
FCFLAGS="$FCFLAGS -nofor-main"
;;
gfortran*)
# Order is important here
FCFLAGS="-cpp $FCFLAGS"
;;
#gfortran*)
# # Order is important here
# FCFLAGS="-cpp $FCFLAGS"
# ;;
esac

397
org/qmckl_ao.org
View File

@ -96,6 +96,8 @@ int main() {
#include <string.h>
#include <stdbool.h>
#include <assert.h>
#include <stdio.h>
#include <math.h>
#include "qmckl.h"
#include "qmckl_context_private_type.h"
@ -4725,195 +4727,183 @@ end function qmckl_compute_ao_vgl_doc_f
| ~coef_normalized~ | ~double[prim_num]~ | in | Value, gradients and Laplacian of the shells |
| ~ao_vgl~ | ~double[point_num][5][ao_num]~ | out | Value, gradients and Laplacian of the AOs |
#+begin_src f90 :comments org :tangle (eval f) :noweb yes
integer function qmckl_compute_ao_vgl_hpc_f(context, &
ao_num, shell_num, prim_num, point_num, nucl_num, &
coord, nucl_coord, nucleus_index, nucleus_shell_num, &
nucleus_range, nucleus_max_ang_mom, shell_ang_mom, &
shell_prim_index, shell_prim_num, ao_factor, expo, &
coef_normalized, ao_vgl) &
result(info)
use qmckl
implicit none
integer(qmckl_context), intent(in) :: context
integer*8 , intent(in) :: ao_num
integer*8 , intent(in) :: shell_num
integer*8 , intent(in) :: prim_num
integer*8 , intent(in) :: point_num
integer*8 , intent(in) :: nucl_num
double precision , intent(in) :: coord(point_num,3)
double precision , intent(in) :: nucl_coord(nucl_num,3)
integer*8 , intent(in) :: nucleus_index(nucl_num)
integer*8 , intent(in) :: nucleus_shell_num(nucl_num)
double precision , intent(in) :: nucleus_range(nucl_num)
integer , intent(in) :: nucleus_max_ang_mom(nucl_num)
integer , intent(in) :: shell_ang_mom(shell_num)
integer*8 , intent(in) :: shell_prim_index(shell_num)
integer*8 , intent(in) :: shell_prim_num(shell_num)
double precision , intent(in) :: ao_factor(ao_num)
double precision , intent(in) :: expo(prim_num)
double precision , intent(in) :: coef_normalized(prim_num)
double precision , intent(out) :: ao_vgl(ao_num,5,point_num)
#+begin_src c :comments org :tangle (eval c) :noweb yes :exports none
qmckl_exit_code
qmckl_compute_ao_vgl_hpc (
const qmckl_context context,
const int64_t ao_num,
const int64_t shell_num,
const int64_t prim_num,
const int64_t point_num,
const int64_t nucl_num,
const double* coord,
const double* nucl_coord,
const int64_t* nucleus_index,
const int64_t* nucleus_shell_num,
const double* nucleus_range,
const int32_t* nucleus_max_ang_mom,
const int32_t* shell_ang_mom,
const int64_t* shell_prim_index,
const int64_t* shell_prim_num,
const double* ao_factor,
const double* expo,
const double* coef_normalized,
double* const ao_vgl )
{
int32_t lstart[24];
for (int32_t l=0 ; l<24 ; ++l) {
lstart[l] = l*(l+1)*(l+2)/6;
}
double precision :: e_coord(3), n_coord(3)
integer*8 :: n_poly
integer :: l, il, k
integer*8 :: ipoint, inucl, ishell
integer*8 :: ishell_start, ishell_end
integer :: lstart(0:20)
double precision :: x, y, z, r2, s1, s2, s3, s4, s5, s6
double precision :: cutoff, v, two_a
integer*8 :: iprim_start , iprim_end, iprim, size_max
integer, external :: qmckl_ao_polynomial_transp_vgl_f
int64_t ao_index[shell_num+1];
int64_t size_max = 0;
{
int64_t k=0;
for (int inucl=0 ; inucl < nucl_num ; ++inucl) {
const int64_t ishell_start = nucleus_index[inucl];
const int64_t ishell_end = nucleus_index[inucl] + nucleus_shell_num[inucl];
for (int64_t ishell = ishell_start ; ishell < ishell_end ; ++ishell) {
const int l = shell_ang_mom[ishell];
ao_index[ishell] = k;
k += lstart[l+1] - lstart[l];
size_max = size_max < lstart[l+1] ? lstart[l+1] : size_max;
}
}
ao_index[shell_num] = ao_num+1;
}
double precision, allocatable :: poly_vgl(:,:)
integer , allocatable :: powers(:,:), ao_index(:)
/* Don't compute polynomials when the radial part is zero. */
double cutoff = -log(1.e-12);
integer :: nidx, idx, n
double precision, allocatable :: ar2(:), expo_(:), c_(:)
#ifdef HAVE_OPENMP
#pragma omp parallel
#endif
{
double c_[prim_num];
double expo_[prim_num];
double ar2[prim_num];
int32_t powers[prim_num];
double poly_vgl[5][size_max];
allocate(ao_index(ao_num+1))
#ifdef HAVE_OPENMP
#pragma omp for
#endif
for (int64_t ipoint=0 ; ipoint < point_num ; ++ipoint) {
const double e_coord[3] = { coord[ipoint],
coord[ipoint + point_num],
coord[ipoint + 2*point_num] };
! Pre-computed data
do l=0,20
lstart(l) = l*(l+1)*(l+2)/6 +1
end do
for (int64_t inucl=0 ; inucl < nucl_num ; ++inucl) {
const double n_coord[3] = { nucl_coord[inucl],
nucl_coord[inucl + nucl_num],
nucl_coord[inucl + 2*nucl_num] };
k=1
size_max = 0
do inucl=1,nucl_num
ishell_start = nucleus_index(inucl) + 1
ishell_end = nucleus_index(inucl) + nucleus_shell_num(inucl)
do ishell = ishell_start, ishell_end
l = shell_ang_mom(ishell)
ao_index(ishell) = k
k = k + lstart(l+1) - lstart(l)
end do
size_max = max(size_max, lstart(l+1))
end do
ao_index(ishell_end+1) = ao_num+1
/* Test if the point is in the range of the nucleus */
const double x = e_coord[0] - n_coord[0];
const double y = e_coord[1] - n_coord[1];
const double z = e_coord[2] - n_coord[2];
const double r2 = x*x + y*y + z*z;
info = QMCKL_SUCCESS
if (r2 > cutoff * nucleus_range[inucl]) {
continue;
}
! Don't compute polynomials when the radial part is zero.
cutoff = -dlog(1.d-12)
int64_t n_poly;
const qmckl_exit_code rc =
qmckl_ao_polynomial_transp_vgl(context, e_coord, n_coord,
nucleus_max_ang_mom[inucl], &n_poly, powers, (int64_t) 3,
&(poly_vgl[0][0]), size_max);
!$OMP PARALLEL DEFAULT(NONE) &
!$OMP SHARED (point_num, coord, nucl_coord, nucl_num, cutoff, &
!$OMP nucleus_range, context, nucleus_max_ang_mom, ao_num, &
!$OMP nucleus_index, nucleus_shell_num, shell_prim_index, &
!$OMP shell_prim_num, expo, coef_normalized, size_max, prim_num, &
!$OMP shell_ang_mom, ao_index, lstart, ao_vgl, ao_factor) &
!$OMP PRIVATE (ipoint, inucl, x, y, z, e_coord, r2, info, &
!$OMP n_coord, n_poly, powers, poly_vgl, ishell_start, k, &
!$OMP ishell_end, ishell, iprim_end, iprim_start, nidx, l, &
!$OMP iprim, v, expo_, c_, s1, s2, s3, s4, s5, s6, n, il, ar2)
assert (rc == QMCKL_SUCCESS);
allocate(c_(prim_num), expo_(prim_num), ar2(prim_num), &
powers(3,size_max), poly_vgl(size_max,5))
!$OMP DO
do ipoint = 1, point_num
e_coord(1) = coord(ipoint,1)
e_coord(2) = coord(ipoint,2)
e_coord(3) = coord(ipoint,3)
do inucl=1,nucl_num
n_coord(1) = nucl_coord(inucl,1)
n_coord(2) = nucl_coord(inucl,2)
n_coord(3) = nucl_coord(inucl,3)
const int64_t ishell_start = nucleus_index[inucl];
const int64_t ishell_end = nucleus_index[inucl] + nucleus_shell_num[inucl];
for (int64_t ishell = ishell_start ; ishell < ishell_end ; ++ishell) {
! Test if the point is in the range of the nucleus
x = e_coord(1) - n_coord(1)
y = e_coord(2) - n_coord(2)
z = e_coord(3) - n_coord(3)
/* /!\ Gaussian fuctions */
int64_t nidx = 0;
const int64_t iprim_start = shell_prim_index[ishell];
const int64_t iprim_end = shell_prim_index[ishell] + shell_prim_num[ishell];
for (int64_t iprim = iprim_start ; iprim < iprim_end ; ++iprim) {
const double v = expo[iprim]*r2;
if (v <= cutoff) {
ar2[nidx] = v;
c_[nidx] = coef_normalized[iprim];
expo_[nidx] = expo[iprim];
++nidx;
}
}
r2 = x*x + y*y + z*z
double s1_ = 0.;
double s5_ = 0.;
double s6_ = 0.;
for (int idx=0 ; idx<nidx ; ++idx) {
const double v = c_[idx] * exp(-ar2[idx]);
s1_ += v;
s6_ -= v*expo_[idx];
s5_ += ar2[idx];
}
s6_ += s6_;
s5_ = 2.0*s5_ + 3.0*s6_;
const double s1 = s1_;
const double s2 = s6_*x;
const double s3 = s6_*y;
const double s4 = s6_*z;
const double s5 = s5_;
const double s6 = s6_;
if (r2 > cutoff*nucleus_range(inucl)) then
cycle
end if
const int32_t l = shell_ang_mom[ishell];
const int32_t n = lstart[l+1]-lstart[l];
const int64_t k = ao_index[ishell];
! Compute polynomials
info = qmckl_ao_polynomial_transp_vgl_f(context, e_coord, n_coord, &
nucleus_max_ang_mom(inucl), n_poly, powers, 3_8, &
poly_vgl, size_max)
double* const ao_vgl_1 = &(ao_vgl[ipoint*5*ao_num+k]);
double* const ao_vgl_2 = &(ao_vgl_1[ ao_num]);
double* const ao_vgl_3 = &(ao_vgl_1[2*ao_num]);
double* const ao_vgl_4 = &(ao_vgl_1[3*ao_num]);
double* const ao_vgl_5 = &(ao_vgl_1[4*ao_num]);
! Loop over shells
ishell_start = nucleus_index(inucl) + 1
ishell_end = nucleus_index(inucl) + nucleus_shell_num(inucl)
if (nidx > 0) {
const int64_t idx = lstart[l];
const double* poly_vgl_1 = &(poly_vgl[0][idx]);
const double* poly_vgl_2 = &(poly_vgl[1][idx]);
const double* poly_vgl_3 = &(poly_vgl[2][idx]);
const double* poly_vgl_4 = &(poly_vgl[3][idx]);
const double* poly_vgl_5 = &(poly_vgl[4][idx]);
const double* f = &(ao_factor[k]);
do ishell = ishell_start, ishell_end
iprim_start = shell_prim_index(ishell) + 1
iprim_end = shell_prim_index(ishell) + shell_prim_num(ishell)
for (int64_t il=0 ; il<n ; ++il) {
ao_vgl_1[il] = poly_vgl_1[il] * s1 * f[il];
ao_vgl_2[il] = (poly_vgl_2[il] * s1 + poly_vgl_1[il] * s2) * f[il];
ao_vgl_3[il] = (poly_vgl_3[il] * s1 + poly_vgl_1[il] * s3) * f[il];
ao_vgl_4[il] = (poly_vgl_4[il] * s1 + poly_vgl_1[il] * s4) * f[il];
ao_vgl_5[il] = (poly_vgl_5[il] * s1 +
poly_vgl_1[il] * s5 + 2.0*(
poly_vgl_2[il] * s2 +
poly_vgl_3[il] * s3 +
poly_vgl_4[il] * s4 )) * f[il];
}
} else {
for (int64_t il=0 ; il<n ; ++il) {
ao_vgl_1[il] = 0.0;
ao_vgl_2[il] = 0.0;
ao_vgl_3[il] = 0.0;
ao_vgl_4[il] = 0.0;
ao_vgl_5[il] = 0.0;
}
}
}
! /!\ Gaussian fuctions
nidx = 0
do iprim = iprim_start, iprim_end
v = expo(iprim)*r2
if (v > cutoff) then
cycle
end if
nidx = nidx+1
ar2(nidx) = v
c_(nidx) = coef_normalized(iprim)
expo_(nidx) = expo(iprim)
enddo
s1 = 0.d0
s5 = 0.d0
s6 = 0.d0
do idx = 1, nidx
v = c_(idx) * dexp(-ar2(idx))
s1 = s1 + v
s6 = s6 - expo_(idx) * v
s5 = s5 + ar2(idx)
end do
s6 = s6 +s6
s5 = 2.d0*s5 + s6*3.d0
s2 = s6 * x
s3 = s6 * y
s4 = s6 * z
l = shell_ang_mom(ishell)
k = ao_index(ishell)
n = lstart(l+1)-lstart(l)
if (nidx > 0) then
idx = lstart(l)
do il = 0,n-1
ao_vgl(k+il,1,ipoint) = poly_vgl(idx+il,1) * s1 * ao_factor(k+il)
ao_vgl(k+il,2,ipoint) = (poly_vgl(idx+il,2) * s1 + poly_vgl(idx+il,1) * s2) * ao_factor(k+il)
ao_vgl(k+il,3,ipoint) = (poly_vgl(idx+il,3) * s1 + poly_vgl(idx+il,1) * s3) * ao_factor(k+il)
ao_vgl(k+il,4,ipoint) = (poly_vgl(idx+il,4) * s1 + poly_vgl(idx+il,1) * s4) * ao_factor(k+il)
ao_vgl(k+il,5,ipoint) = (poly_vgl(idx+il,5) * s1 + &
poly_vgl(idx+il,1) * s5 + 2.d0*( &
poly_vgl(idx+il,2) * s2 + &
poly_vgl(idx+il,3) * s3 + &
poly_vgl(idx+il,4) * s4 )) * ao_factor(k+il)
end do
else
do il = 0, n-1
ao_vgl(k+il,1,ipoint) = 0.d0
ao_vgl(k+il,2,ipoint) = 0.d0
ao_vgl(k+il,3,ipoint) = 0.d0
ao_vgl(k+il,4,ipoint) = 0.d0
ao_vgl(k+il,5,ipoint) = 0.d0
end do
endif
end do
end do
end do
deallocate(poly_vgl, powers, c_, expo_, ar2)
!$OMP END PARALLEL
deallocate(ao_index)
end function qmckl_compute_ao_vgl_hpc_f
}
}
}
return QMCKL_SUCCESS;
}
#+end_src
** Interfaces
# #+CALL: generate_c_header(table=qmckl_ao_vgl_args_doc,rettyp=get_value("CRetType"),fname="qmckl_compute_ao_vgl"))
# (Commented because the header needs to go into h_private_func
# (Commented because the header needs to go into h_private_func)
#+RESULTS:
#+begin_src c :tangle (eval h_private_func) :comments org
@ -5019,79 +5009,6 @@ end function qmckl_compute_ao_vgl_hpc_f
end function qmckl_compute_ao_vgl_doc
#+end_src
#+CALL: generate_c_interface(table=qmckl_ao_vgl_args_hpc,rettyp=get_value("CRetType"),fname="qmckl_compute_ao_vgl_hpc"))
#+RESULTS:
#+begin_src f90 :tangle (eval f) :comments org :exports none
integer(c_int32_t) function qmckl_compute_ao_vgl_hpc &
(context, &
ao_num, &
shell_num, &
prim_num, &
point_num, &
nucl_num, &
coord, &
nucl_coord, &
nucleus_index, &
nucleus_shell_num, &
nucleus_range, &
nucleus_max_ang_mom, &
shell_ang_mom, &
shell_prim_index, &
shell_prim_num, &
ao_factor, &
ao_expo, &
coef_normalized, &
ao_vgl) &
bind(C) result(info)
use, intrinsic :: iso_c_binding
implicit none
integer (c_int64_t) , intent(in) , value :: context
integer (c_int64_t) , intent(in) , value :: ao_num
integer (c_int64_t) , intent(in) , value :: shell_num
integer (c_int64_t) , intent(in) , value :: prim_num
integer (c_int64_t) , intent(in) , value :: point_num
integer (c_int64_t) , intent(in) , value :: nucl_num
real (c_double ) , intent(in) :: coord(point_num,3)
real (c_double ) , intent(in) :: nucl_coord(nucl_num,3)
integer (c_int64_t) , intent(in) :: nucleus_index(nucl_num)
integer (c_int64_t) , intent(in) :: nucleus_shell_num(nucl_num)
real (c_double ) , intent(in) :: nucleus_range(nucl_num)
integer (c_int32_t) , intent(in) :: nucleus_max_ang_mom(nucl_num)
integer (c_int32_t) , intent(in) :: shell_ang_mom(shell_num)
integer (c_int64_t) , intent(in) :: shell_prim_index(shell_num)
integer (c_int64_t) , intent(in) :: shell_prim_num(shell_num)
real (c_double ) , intent(in) :: ao_factor(ao_num)
real (c_double ) , intent(in) :: ao_expo(prim_num)
real (c_double ) , intent(in) :: coef_normalized(prim_num)
real (c_double ) , intent(out) :: ao_vgl(ao_num,5,point_num)
integer(c_int32_t), external :: qmckl_compute_ao_vgl_hpc_f
info = qmckl_compute_ao_vgl_hpc_f &
(context, &
ao_num, &
shell_num, &
prim_num, &
point_num, &
nucl_num, &
coord, &
nucl_coord, &
nucleus_index, &
nucleus_shell_num, &
nucleus_range, &
nucleus_max_ang_mom, &
shell_ang_mom, &
shell_prim_index, &
shell_prim_num, &
ao_factor, &
ao_expo, &
coef_normalized, &
ao_vgl)
end function qmckl_compute_ao_vgl_hpc
#+end_src
*** Provide :noexport: