Commit da095029 authored by Pavel Kus's avatar Pavel Kus

fixing C interface for saving and loading and adding a corresponding test

parent 166a8a66
......@@ -274,3 +274,15 @@ print(" " + " \\\n ".join([
prec_flag['double']]))
print("endif")
name = "test_multiple_objs_real_double_c_version"
print("if ENABLE_AUTOTUNING")
print("check_SCRIPTS += " + name + "_extended.sh")
print("noinst_PROGRAMS += " + name)
print(name + "_SOURCES = test/C/test_multiple_objs.c")
print(name + "_LDADD = $(test_program_ldadd) $(FCLIBS)")
print(name + "_CFLAGS = $(test_program_cflags) \\")
print(" " + " \\\n ".join([
domain_flag['real'],
prec_flag['double']]))
print("endif")
......@@ -1260,6 +1260,7 @@ module elpa_impl
endif
end subroutine
!c> /*! \brief C interface for the implementation of the elpa_store_settings method
!c> *
!c> * \param elpa_t handle
......@@ -1269,7 +1270,7 @@ module elpa_impl
subroutine elpa_store_settings_c(handle, filename_p, error) bind(C, name="elpa_store_settings")
type(c_ptr), value :: handle
type(elpa_impl_t), pointer :: self
type(c_ptr), intent(in) :: filename_p
type(c_ptr), intent(in), value :: filename_p
character(len=elpa_strlen_c(filename_p)), pointer :: filename
integer(kind=c_int) :: error
......@@ -1316,7 +1317,7 @@ module elpa_impl
type(elpa_impl_t), pointer :: self
integer(kind=c_int) :: error
type(c_ptr), intent(in) :: filename_p
type(c_ptr), intent(in), value :: filename_p
character(len=elpa_strlen_c(filename_p)), pointer :: filename
call c_f_pointer(handle, self)
......@@ -1436,13 +1437,13 @@ module elpa_impl
!c> * \param error int *
!c> * \result none
!c> */
!c> void elpa_autotune_save_state(elpa_t handle, elpa_autotune_t autotune_handle, int *error);
!c> void elpa_autotune_save_state(elpa_t handle, elpa_autotune_t autotune_handle, const char *filename, int *error);
subroutine elpa_autotune_save_state_c(handle, autotune_handle, filename_p, error) bind(C, name="elpa_autotune_save_state")
type(c_ptr), intent(in), value :: handle
type(c_ptr), intent(in), value :: autotune_handle
type(elpa_impl_t), pointer :: self
type(elpa_autotune_impl_t), pointer :: tune_state
type(c_ptr), intent(in) :: filename_p
type(c_ptr), intent(in), value :: filename_p
character(len=elpa_strlen_c(filename_p)), pointer :: filename
integer(kind=c_int) :: error
......@@ -1508,13 +1509,13 @@ module elpa_impl
!c> * \param error int *
!c> * \result none
!c> */
!c> void elpa_autotune_load_state(elpa_t handle, elpa_autotune_t autotune_handle, int *error);
!c> void elpa_autotune_load_state(elpa_t handle, elpa_autotune_t autotune_handle, const char *filename, int *error);
subroutine elpa_autotune_load_state_c(handle, autotune_handle, filename_p, error) bind(C, name="elpa_autotune_load_state")
type(c_ptr), intent(in), value :: handle
type(c_ptr), intent(in), value :: autotune_handle
type(elpa_impl_t), pointer :: self
type(elpa_autotune_impl_t), pointer :: tune_state
type(c_ptr), intent(in) :: filename_p
type(c_ptr), intent(in), value :: filename_p
character(len=elpa_strlen_c(filename_p)), pointer :: filename
integer(kind=c_int) :: error
......
/* This file is part of ELPA.
The ELPA library was originally created by the ELPA consortium,
consisting of the following organizations:
- Max Planck Computing and Data Facility (MPCDF), formerly known as
Rechenzentrum Garching der Max-Planck-Gesellschaft (RZG),
- Bergische Universität Wuppertal, Lehrstuhl für angewandte
Informatik,
- Technische Universität München, Lehrstuhl für Informatik mit
Schwerpunkt Wissenschaftliches Rechnen ,
- Fritz-Haber-Institut, Berlin, Abt. Theorie,
- Max-Plack-Institut für Mathematik in den Naturwissenschaften,
Leipzig, Abt. Komplexe Strukutren in Biologie und Kognition,
and
- IBM Deutschland GmbH
More information can be found here:
http://elpa.mpcdf.mpg.de/
ELPA is free software: you can redistribute it and/or modify
it under the terms of the version 3 of the license of the
GNU Lesser General Public License as published by the Free
Software Foundation.
ELPA is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with ELPA. If not, see <http://www.gnu.org/licenses/>
ELPA reflects a substantial effort on the part of the original
ELPA consortium, and we ask you to respect the spirit of the
license that we chose: i.e., please contribute any changes you
may have back to the original ELPA library distribution, and keep
any derivatives of ELPA under the same license that we chose for
the original distribution, the GNU Lesser General Public License.
*/
#include "config.h"
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef WITH_MPI
#include <mpi.h>
#endif
#include <math.h>
#include <elpa/elpa.h>
#include <assert.h>
#include "test/shared/generated.h"
#if !(defined(TEST_REAL) ^ defined(TEST_COMPLEX))
//#error "define exactly one of TEST_REAL or TEST_COMPLEX"
#endif
#if !(defined(TEST_SINGLE) ^ defined(TEST_DOUBLE))
//#error "define exactly one of TEST_SINGLE or TEST_DOUBLE"
#endif
#if !(defined(TEST_SOLVER_1STAGE) ^ defined(TEST_SOLVER_2STAGE))
//#error "define exactly one of TEST_SOLVER_1STAGE or TEST_SOLVER_2STAGE"
#endif
#ifdef TEST_SINGLE
# define EV_TYPE float
# ifdef TEST_REAL
# define MATRIX_TYPE float
# else
# define MATRIX_TYPE complex float
# endif
#else
# define EV_TYPE double
# ifdef TEST_REAL
# define MATRIX_TYPE double
# else
# define MATRIX_TYPE complex double
# endif
#endif
#define assert_elpa_ok(x) assert(x == ELPA_OK)
void set_basic_parameters(elpa_t *handle, int na, int nev, int na_rows, int na_cols, int nblk, int my_prow, int my_pcol){
int error;
elpa_set(*handle, "na", na, &error);
assert_elpa_ok(error);
elpa_set(*handle, "nev", nev, &error);
assert_elpa_ok(error);
elpa_set(*handle, "local_nrows", na_rows, &error);
assert_elpa_ok(error);
elpa_set(*handle, "local_ncols", na_cols, &error);
assert_elpa_ok(error);
elpa_set(*handle, "nblk", nblk, &error);
assert_elpa_ok(error);
#ifdef WITH_MPI
elpa_set(*handle, "mpi_comm_parent", MPI_Comm_c2f(MPI_COMM_WORLD), &error);
assert_elpa_ok(error);
elpa_set(*handle, "process_row", my_prow, &error);
assert_elpa_ok(error);
elpa_set(*handle, "process_col", my_pcol, &error);
assert_elpa_ok(error);
#endif
}
int main(int argc, char** argv) {
/* matrix dimensions */
int na, nev, nblk;
/* mpi */
int myid, nprocs;
int na_cols, na_rows;
int np_cols, np_rows;
int my_prow, my_pcol;
int mpi_comm;
/* blacs */
int my_blacs_ctxt, sc_desc[9], info;
/* The Matrix */
MATRIX_TYPE *a, *as, *z;
EV_TYPE *ev;
int error, status;
int gpu, debug, timings;
char str[400];
elpa_t elpa_handle_1, elpa_handle_2, *elpa_handle_ptr;
elpa_autotune_t autotune_handle;
int i, unfinished;
int value;
#ifdef WITH_MPI
MPI_Init(&argc, &argv);
MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
MPI_Comm_rank(MPI_COMM_WORLD, &myid);
#else
nprocs = 1;
myid = 0;
#endif
if (argc == 4) {
na = atoi(argv[1]);
nev = atoi(argv[2]);
nblk = atoi(argv[3]);
} else {
na = 500;
nev = 250;
nblk = 16;
}
for (np_cols = (int) sqrt((double) nprocs); np_cols > 1; np_cols--) {
if (nprocs % np_cols == 0) {
break;
}
}
np_rows = nprocs/np_cols;
/* set up blacs */
/* convert communicators before */
#ifdef WITH_MPI
mpi_comm = MPI_Comm_c2f(MPI_COMM_WORLD);
#else
mpi_comm = 0;
#endif
set_up_blacsgrid_f(mpi_comm, np_rows, np_cols, 'C', &my_blacs_ctxt, &my_prow, &my_pcol);
set_up_blacs_descriptor_f(na, nblk, my_prow, my_pcol, np_rows, np_cols, &na_rows, &na_cols, sc_desc, my_blacs_ctxt, &info);
/* allocate the matrices needed for elpa */
a = calloc(na_rows*na_cols, sizeof(MATRIX_TYPE));
z = calloc(na_rows*na_cols, sizeof(MATRIX_TYPE));
as = calloc(na_rows*na_cols, sizeof(MATRIX_TYPE));
ev = calloc(na, sizeof(EV_TYPE));
#ifdef TEST_REAL
#ifdef TEST_DOUBLE
prepare_matrix_random_real_double_f(na, myid, na_rows, na_cols, sc_desc, a, z, as);
#else
prepare_matrix_random_real_single_f(na, myid, na_rows, na_cols, sc_desc, a, z, as);
#endif
#else
#ifdef TEST_DOUBLE
prepare_matrix_random_complex_double_f(na, myid, na_rows, na_cols, sc_desc, a, z, as);
#else
prepare_matrix_random_complex_single_f(na, myid, na_rows, na_cols, sc_desc, a, z, as);
#endif
#endif
if (elpa_init(CURRENT_API_VERSION) != ELPA_OK) {
fprintf(stderr, "Error: ELPA API version not supported");
exit(1);
}
elpa_handle_1 = elpa_allocate(&error);
assert_elpa_ok(error);
set_basic_parameters(&elpa_handle_1, na, nev, na_rows, na_cols, nblk, my_prow, my_pcol);
/* Setup */
assert_elpa_ok(elpa_setup(elpa_handle_1));
elpa_set(elpa_handle_1, "gpu", 0, &error);
assert_elpa_ok(error);
elpa_set(elpa_handle_1, "timings", 1, &error);
assert_elpa_ok(error);
elpa_set(elpa_handle_1, "debug", 1, &error);
assert_elpa_ok(error);
elpa_store_settings(elpa_handle_1, "initial_parameters.txt", &error);
assert_elpa_ok(error);
#ifdef WITH_MPI
// barrier after store settings, file created from one MPI rank only, but loaded everywhere
MPI_Barrier(MPI_COMM_WORLD);
#endif
elpa_handle_2 = elpa_allocate(&error);
assert_elpa_ok(error);
set_basic_parameters(&elpa_handle_2, na, nev, na_rows, na_cols, nblk, my_prow, my_pcol);
/* Setup */
assert_elpa_ok(elpa_setup(elpa_handle_2));
elpa_load_settings(elpa_handle_2, "initial_parameters.txt", &error);
elpa_get(elpa_handle_2, "gpu", &gpu, &error);
assert_elpa_ok(error);
elpa_get(elpa_handle_2, "timings", &timings, &error);
assert_elpa_ok(error);
elpa_get(elpa_handle_2, "debug", &debug, &error);
assert_elpa_ok(error);
if ((timings != 1) || (debug != 1) || (gpu != 0)){
printf("Parameters not stored or loaded correctly. Aborting... %d, %d, %d\n", timings, debug, gpu);
exit(1);
}
elpa_handle_ptr = &elpa_handle_2;
autotune_handle = elpa_autotune_setup(*elpa_handle_ptr, ELPA_AUTOTUNE_FAST, ELPA_AUTOTUNE_DOMAIN_REAL, &error);
assert_elpa_ok(error);
/* mimic 20 scf steps */
for (i=0; i < 20; i++) {
unfinished = elpa_autotune_step(*elpa_handle_ptr, autotune_handle, &error);
if (unfinished == 0) {
if (myid == 0) {
printf("ELPA autotuning finished in the %d th scf step \n",i);
}
break;
}
elpa_print_settings(*elpa_handle_ptr, &error);
elpa_autotune_print_state(*elpa_handle_ptr, autotune_handle, &error);
sprintf(str, "saved_parameters_%d.txt", i);
elpa_store_settings(*elpa_handle_ptr, str, &error);
assert_elpa_ok(error);
/* Solve EV problem */
elpa_eigenvectors(*elpa_handle_ptr, a, ev, z, &error);
assert_elpa_ok(error);
/* check the results */
#ifdef TEST_REAL
#ifdef TEST_DOUBLE
status = check_correctness_evp_numeric_residuals_real_double_f(na, nev, na_rows, na_cols, as, z, ev,
sc_desc, nblk, myid, np_rows, np_cols, my_prow, my_pcol);
memcpy(a, as, na_rows*na_cols*sizeof(double));
#else
status = check_correctness_evp_numeric_residuals_real_single_f(na, nev, na_rows, na_cols, as, z, ev,
sc_desc, nblk, myid, np_rows, np_cols, my_prow, my_pcol);
memcpy(a, as, na_rows*na_cols*sizeof(float));
#endif
#else
#ifdef TEST_DOUBLE
status = check_correctness_evp_numeric_residuals_complex_double_f(na, nev, na_rows, na_cols, as, z, ev,
sc_desc, nblk, myid, np_rows, np_cols, my_prow, my_pcol);
memcpy(a, as, na_rows*na_cols*sizeof(complex double));
#else
status = check_correctness_evp_numeric_residuals_complex_single_f(na, nev, na_rows, na_cols, as, z, ev,
sc_desc, nblk, myid, np_rows, np_cols, my_prow, my_pcol);
memcpy(a, as, na_rows*na_cols*sizeof(complex float));
#endif
#endif
if (status !=0){
printf("The computed EVs are not correct !\n");
break;
}
elpa_autotune_print_state(*elpa_handle_ptr, autotune_handle, &error);
assert_elpa_ok(error);
sprintf(str, "saved_state_%d.txt", i);
elpa_autotune_save_state(*elpa_handle_ptr, autotune_handle, str, &error);
assert_elpa_ok(error);
#ifdef WITH_MPI
//barrier after save state, file created from one MPI rank only, but loaded everywhere
MPI_Barrier(MPI_COMM_WORLD);
#endif
elpa_autotune_load_state(*elpa_handle_ptr, autotune_handle, str, &error);
assert_elpa_ok(error);
if (unfinished == 1) {
if (myid == 0) {
printf("ELPA autotuning did not finished during %d scf cycles\n",i);
}
}
}
elpa_autotune_set_best(*elpa_handle_ptr, autotune_handle, &error);
if (myid == 0) {
printf("The best combination found by the autotuning:\n");
elpa_autotune_print_best(*elpa_handle_ptr, autotune_handle, &error);
}
elpa_autotune_deallocate(autotune_handle, &error);
elpa_deallocate(elpa_handle_1, &error);
elpa_deallocate(elpa_handle_2, &error);
elpa_uninit(&error);
if (myid == 0) {
printf("\n");
printf("2stage ELPA real solver complete\n");
printf("\n");
}
if (status ==0){
if (myid ==0) {
printf("All ok!\n");
}
}
free(a);
free(z);
free(as);
free(ev);
#ifdef WITH_MPI
MPI_Finalize();
#endif
return !!status;
}
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