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main.cpp
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/**
* @file main.cpp
* @Author Christoph Schaaefer, EPFL (christophernstrerne.schaefer@epfl.ch)
* @date October 2016
* @brief Benchmark for gradhalo function
*/
#include <iostream>
#include <iomanip>
#include <string.h>
#include <math.h>
#include <sys/time.h>
#include <fstream>
#include <sys/stat.h>
#include <unistd.h>
//
//#include <mm_malloc.h>
#include <omp.h>
//
//#include <cuda_runtime.h>
#include <structure_hpc.hpp>
//#include <cuda.h>
#include "timer.h"
#include "gradient.hpp"
#include "chi_CPU.hpp"
#include "module_cosmodistances.hpp"
#include "module_readParameters.hpp"
#include "grid_gradient2_CPU.hpp"
#include "grid_amplif_CPU.hpp"
#include "module_writeFits.hpp"
#ifdef __WITH_GPU
#include "grid_gradient_GPU.cuh"
#include "grid_map_GPU.cuh"
#include "grid_gradient2_GPU.cuh"
//#include "gradient2_GPU.cuh"
#endif
#ifdef __WITH_LENSTOOL
#include "setup.hpp"
#warning "linking with libtool..."
#include<fonction.h>
#include<constant.h>
#include<dimension.h>
#include<structure.h>
#include<lt.h>
#include <stdlib.h>
//
//
struct g_mode M;
struct g_pot P[NPOTFILE];
struct g_pixel imFrame, wFrame, ps, PSF;
struct g_cube cubeFrame;
struct g_dyn Dy; // //TV
//
struct g_source S;
struct g_image I;
struct g_grille G;
struct g_msgrid H; // multi-scale grid
struct g_frame F;
struct g_large L;
struct g_cosmo C;
struct g_cline CL;
struct g_observ O;
struct pot lens[NLMAX];
struct pot lmin[NLMAX], lmax[NLMAX], prec[NLMAX];
struct g_cosmo clmin, clmax; /*cosmological limits*/
struct galaxie smin[NFMAX], smax[NFMAX]; // limits on source parameters
struct ipot ip;
struct MCarlo mc;
struct vfield vf;
struct vfield vfmin,vfmax; // limits on velocity field parameters
struct cline cl[NIMAX];
lensdata *lens_table;
//
int block[NLMAX][NPAMAX]; /*switch for the lens optimisation*/
int cblock[NPAMAX]; /*switch for the cosmological optimisation*/
int sblock[NFMAX][NPAMAX]; /*switch for the source parameters*/
int vfblock[NPAMAX]; /*switch for the velocity field parameters*/
double excu[NLMAX][NPAMAX];
double excd[NLMAX][NPAMAX];
/* supplments tableaux de valeurs pour fonctions g pour Einasto
* * Ce sont trois variables globales qu'on pourra utiliser dans toutes les fonctions du projet
* */
#define CMAX 20
#define LMAX 80
float Tab1[LMAX][CMAX];
float Tab2[LMAX][CMAX];
float Tab3[LMAX][CMAX];
int nrline, ntline, flagr, flagt;
long int narclet;
struct point gimage[NGGMAX][NGGMAX], gsource_global[NGGMAX][NGGMAX];
struct biline radial[NMAX], tangent[NMAX];
struct galaxie arclet[NAMAX], source[NFMAX], image[NFMAX][NIMAX];
struct galaxie cimage[NFMAX];
struct pointgal gianti[NPMAX][NIMAX];
struct point SC;
double elix;
double alpha_e;
double *v_xx;
double *v_yy;
double **map_p;
double **tmp_p;
double **map_axx;
double **map_ayy;
#endif
double **alloc_square_double_test(int nbr_lin,int nbr_col)
{
auto double **square;
register int i, j;
square = (double **) malloc((unsigned) nbr_lin*sizeof(double *));
if (square != 0)
{
for (i=0; i<nbr_lin; i++)
{
square[i] = (double *)malloc((unsigned) nbr_col*sizeof(double));
if (square[i] == 0) square = 0;
}
}
for (i=0; i<nbr_lin; i++)
for (j=0; j<nbr_col; j++)
square[i][j]=0.0;
return(square);
}
int **alloc_square_int_test(int nbr_lin,int nbr_col)
{
auto int **square;
register int i, j;
square = (int **) malloc((unsigned) nbr_lin*sizeof(int *));
if (square != 0)
{
for (i=0; i<nbr_lin; i++)
{
square[i] = (int *)malloc((unsigned) nbr_col*sizeof(int));
if (square[i] == 0) square = 0;
}
}
for (i=0; i<nbr_lin; i++)
for (j=0; j<nbr_col; j++)
square[i][j]=0;
return(square);
}
void free_square_double_test(double **square,int nbr_lin)
{
register int i;
if(square!=NULL)
{
for (i=0; i<nbr_lin; i++)
free(square[i]);
free((double *) square);
}
}
void free_square_int_test(int **square,int nbr_lin)
{
register int i;
for (i=0; i<nbr_lin; i++)
free((int *) square[i]);
free((int *) square);
}
void
gradient_grid_GPU_sorted(type_t *grid_grad_x, type_t *grid_grad_y, const struct grid_param *frame, const struct Potential_SOA *lens, int Nlens, int nbgridcells);
//
//
int module_readCheckInput_readInput(int argc, char *argv[], std::string *outdir)
{
/// check if there is a correct number of arguments, and store the name of the input file in infile
char* infile;
struct stat file_stat;
// If we do not have 3 arguments, stop
if ( argc != 3 )
{
fprintf(stderr, "\nUnexpected number of arguments\n");
fprintf(stderr, "\nUSAGE:\n");
fprintf(stderr, "lenstool input_file output_directorypath [-n]\n\n");
exit(-1);
}
else if ( argc == 3 )
infile=argv[1];
std::ifstream ifile(infile,std::ifstream::in); // Open the file
int ts = (int) time (NULL);
char buffer[10];
std::stringstream ss;
ss << ts;
std::string trimstamp = ss.str();
//
//std::string outdir = argv[2];
*outdir = argv[2];
*outdir += "-";
*outdir += trimstamp;
std::cout << *outdir << std::endl;
// check whether the output directory already exists
if (stat(outdir->c_str(), &file_stat) < 0){
mkdir(outdir->c_str(), S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP | S_IROTH );
}
else {
printf("Error : Directory %s already exists. Specify a non existing directory.\n",argv[2]);
exit(-1);
}
// check whether the input file exists. If it could not be opened (ifile = 0), it does not exist
if(ifile){
ifile.close();
}
else{
printf("The file %s does not exist, please specify a valid file name\n",infile);
exit(-1);
}
return 0;
}
//
//
//
int main(int argc, char *argv[])
{
//
// Setting Up the problem
//
// This module function reads the terminal input when calling LENSTOOL and checks that it is correct
// Otherwise it exits LENSTOOL
//
char cwd[1024];
if (getcwd(cwd, sizeof(cwd)) != NULL)
fprintf(stdout, "Current working dir: %s\n", cwd);
//
std::string path;
module_readCheckInput_readInput(argc, argv, &path);
//
// This module function reads the cosmology parameters from the parameter file
// Input: struct cosmologicalparameters cosmology, parameter file
// Output: Initialized cosmology struct
cosmo_param cosmology; // Cosmology struct to store the cosmology data from the file
std::string inputFile = argv[1]; // Input file
module_readParameters_readCosmology(inputFile, cosmology);
//
// This module function reads the runmode paragraph and the number of sources, arclets, etc. in the parameter file.
// The runmode_param stores the information of what exactly the user wants to do with lenstool.
struct runmode_param runmode;
module_readParameters_readRunmode(inputFile, &runmode);
module_readParameters_debug_cosmology(runmode.debug, cosmology);
module_readParameters_debug_runmode(runmode.debug, runmode);
//
//=== Declaring variables
//
struct grid_param frame;
struct galaxy images[runmode.nimagestot];
struct galaxy sources[runmode.nsets];
struct Potential lenses[runmode.nhalos + runmode.npotfile-1];
struct Potential_SOA lenses_SOA_table[NTYPES];
struct Potential_SOA lenses_SOA;
struct cline_param cline;
struct potfile_param potfile;
struct Potential potfilepotentials[runmode.npotfile];
struct potentialoptimization host_potentialoptimization[runmode.nhalos];
int nImagesSet[runmode.nsets]; // Contains the number of images in each set of images
// This module function reads in the potential form and its parameters (e.g. NFW)
// Input: input file
// Output: Potentials and its parameters
module_readParameters_PotentialSOA_direct(inputFile, &lenses_SOA, runmode.nhalos, runmode.npotfile, cosmology);
module_readParameters_debug_potential_SOA(1, lenses_SOA, runmode.nhalos);
//std::cerr <<"b0: "<< lenses_SOA.b0[0] << std::endl;
//module_readParameters_Potential(inputFile, lenses, runmode.nhalos);
//Converts to SOA
//module_readParameters_PotentialSOA(inputFile, lenses, &lenses_SOA, runmode.nhalos);
//module_readParameters_debug_potential(runmode.debug, lenses, runmode.nhalos);
// This module function reads in the potfiles parameters
// Input: input file
// Output: Potentials from potfiles and its parameters
if (runmode.potfile == 1 )
{
module_readParameters_readpotfiles_param(inputFile, &potfile, cosmology);
module_readParameters_debug_potfileparam(1, &potfile);
module_readParameters_readpotfiles_SOA(&runmode, &cosmology,&potfile,&lenses_SOA);
module_readParameters_debug_potential_SOA(1, lenses_SOA, runmode.nhalos + runmode.npotfile);
}
//
// This module function reads in the grid form and its parameters
// Input: input file
// Output: grid and its parameters
//
module_readParameters_Grid(inputFile, &frame);
//
if (runmode.image == 1 or runmode.inverse == 1 or runmode.time > 0)
{
// This module function reads in the strong lensing images
module_readParameters_readImages(&runmode, images, nImagesSet);
//runmode.nsets = runmode.nimagestot;
for(int i = 0; i < runmode.nimagestot; ++i)
{
images[i].dls = module_cosmodistances_objectObject(lenses[0].z, images[i].redshift, cosmology);
images[i].dos = module_cosmodistances_observerObject(images[i].redshift, cosmology);
images[i].dr = module_cosmodistances_lensSourceToObserverSource(lenses[0].z, images[i].redshift, cosmology);
}
module_readParameters_debug_image(runmode.debug, images, nImagesSet, runmode.nsets);
}
//
if (runmode.inverse == 1)
{
// This module function reads in the potential optimisation limits
module_readParameters_limit(inputFile, host_potentialoptimization, runmode.nhalos);
module_readParameters_debug_limit(runmode.debug, host_potentialoptimization[0]);
}
//
if (runmode.source == 1)
{
//Initialisation to default values.(Setting sources to z = 1.5 default value)
for(int i = 0; i < runmode.nsets; ++i)
{
sources[i].redshift = 1.5;
}
// This module function reads in the strong lensing sources
module_readParameters_readSources(&runmode, sources);
//Calculating cosmoratios
for(int i = 0; i < runmode.nsets; ++i)
{
sources[i].dls = module_cosmodistances_objectObject(lenses[0].z, sources[i].redshift, cosmology);
sources[i].dos = module_cosmodistances_observerObject(sources[i].redshift, cosmology);
sources[i].dr = module_cosmodistances_lensSourceToObserverSource(lenses[0].z, sources[i].redshift, cosmology);
}
module_readParameters_debug_source(runmode.debug, sources, runmode.nsets);
}
//
//
//
std::cout << "--------------------------" << std::endl << std::endl; fflush(stdout);
double t_1,t_2,t_3,t_4;
//
//
//
#ifdef __WITH_LENSTOOL
printf("Setting up lenstool using %d lenses...", runmode.nhalos); fflush(stdout);
convert_to_LT(&lenses_SOA, runmode.nhalos);
printf("ok\n");
#endif
//
// Lenstool-CPU Grid-Gradient
//
#include "gradient2.hpp"
//Setting Test:
type_t dx, dy;
int grid_dim = runmode.nbgridcells;
//
dx = (frame.xmax - frame.xmin)/(runmode.nbgridcells-1);
dy = (frame.ymax - frame.ymin)/(runmode.nbgridcells-1);
//
type_t iamp = 5;
#ifdef __WITH_LENSTOOL
std::cout << " CPU Test Lenstool ... ";
//type_t *ampli;
//ampli = (type_t *) malloc((int) (runmode.nbgridcells) * (runmode.nbgridcells) * sizeof(type_t));
F.xmin = F.ymin = frame.xmin;
F.xmax = F.ymax = frame.xmax;
G.nlens = runmode.nhalos;
double **ampli;
int **namp;
double z = runmode.z_amplif;
int np = runmode.nbgridcells;
double dl0s = module_cosmodistances_objectObject(lens[0].z, z, cosmology);
double dos = module_cosmodistances_observerObject(z, cosmology);
double dlsds = dl0s / dos;
point pi;
int i,j;
double t_lt = -myseconds();
//#pragma omp parallel for if (omp_get_num_threads() > 1) schedule(guided, 100)
//#pragma omp parallel for
#if 1
ampli = (double **) alloc_square_double_test(np, np);
namp = (int **) alloc_square_int_test(np, np);
/* Make sure we have empty arrays */
for (j = 0; j < np; j++)
for (i = 0; i < np; i++)
{
ampli[i][j] = 0.;
namp[i][j] = 0;
}
if (iamp > 0)
{
//#pragma omp parallel for
for (j = 0; j < np; j++)
{
struct matrix MA;
struct ellipse amp;
double kappa, ga1,ga2,gam,gp;
pi.y = j * (F.ymax - F.ymin) / (np - 1) + F.ymin;
for (i = 0; i < np; i++)
{
pi.x = i * (F.xmax - F.xmin) / (np - 1) + F.xmin;
amp = e_unmag(&pi, dl0s, dos, z);
/*amplification*/
if (iamp == 1)
ampli[j][i] = 1. / (amp.a * amp.b);
/*absolute value of amplification*/
else if (iamp == 2)
ampli[j][i] = 1. / fabs(amp.a * amp.b);
/*amplification in magnitudes*/
else if (iamp == 3)
ampli[j][i] = -2.5 * log10(fabs(amp.a * amp.b));
/**/
else if (iamp == 4)
{
MA = e_grad2(&pi, dl0s, z);
MA.a /= dos;
MA.b /= dos;
MA.c /= dos;
kappa = (MA.a + MA.c) / 2.;
ga1 = (MA.a - MA.c) / 2.;
ga2 = MA.b;
gam = sqrt(ga1 * ga1 + ga2 * ga2); /*gamma*/
gp = gam / (1 - kappa);
ampli[j][i] = (1 - kappa) * (1 + gp * gp) / (1 - gp * gp);
}
else if (iamp == 5 || iamp == 6)
{
MA = e_grad2(&pi, dl0s, z);
MA.a /= dl0s;
MA.b /= dl0s;
MA.c /= dl0s;
kappa = (MA.a + MA.c) / 2.;
ga1 = (MA.a - MA.c) / 2.;
ga2 = MA.b;
gam = sqrt(ga1 * ga1 + ga2 * ga2);
if (iamp == 5)
ampli[j][i] = kappa;
else if (iamp == 6)
ampli[j][i] = gam;
}
/*amplification^-1*/
else
ampli[j][i] = (amp.a * amp.b);
};
};
}
#endif
t_lt += myseconds();
std::cout << " Time = " << t_lt << " s." << std::endl;
#endif
//
std::cout << " CPU Test lenstool_hpc... ";
//
type_t *ampli_CPU;
ampli_CPU = (type_t *) malloc((int) (runmode.nbgridcells) * (runmode.nbgridcells) * sizeof(type_t));
memset(ampli_CPU, 0, (runmode.nbgridcells) * (runmode.nbgridcells) * sizeof(type_t));
int Nstat = 1;
t_1 = -myseconds();
for(int ii = 0; ii < Nstat; ++ii) {
amplif_grid_CPU(ampli_CPU, &cosmology, &frame, &lenses_SOA, runmode.nhalos, grid_dim, runmode.amplif, runmode.z_amplif);
}
t_1 += myseconds();
//
std::cout << " Time = " << std::setprecision(15) << t_1 << std::endl;
#if 1
#ifdef __WITH_GPU
// GPU test
std::cout << " GPU Test... ";
//
type_t* ampli_GPU = (type_t *) malloc((int) (runmode.nbgridcells) * (runmode.nbgridcells) * sizeof(type_t));
//
memset(ampli_GPU, 0, (runmode.nbgridcells) * (runmode.nbgridcells) * sizeof(type_t));
//
ampli_GPU = (type_t *) malloc((int) (runmode.nbgridcells) * (runmode.nbgridcells) * sizeof(type_t));
//
t_2 = -myseconds();
for(int ii = 0; ii < Nstat; ++ii) {
map_gpu_function_t map_gpu_func = &amplif_grid_CPU_GPU;
map_grid_GPU(map_gpu_func,ampli_GPU,&cosmology, &frame, &lenses_SOA, runmode.nhalos, grid_dim,runmode.amplif, runmode.z_amplif);
}
std::string file;
file = path;
file.append("/amplif");
file.append(".fits");
char file_char[file.length()+1];
strcpy(file_char,file.c_str());
module_writeFits_Image(file_char,ampli_GPU,grid_dim,grid_dim,frame.xmin,frame.xmax,frame.ymin,frame.ymax);
//free(amplif);
t_2 += myseconds();
std::cerr << "**" << ampli_GPU[0] << std::endl;
std::cout << " Time " << std::setprecision(15) << t_2 << std::endl;
#endif
#endif
std::ofstream myfile;
#ifdef __WITH_LENSTOOL
{
type_t norm_a = 0.;
//
for (int ii = 0; ii < grid_dim; ++ii)
{
for (int jj = 0; jj < grid_dim; ++jj)
{
//std::cerr<< ii << " "<< jj << " " << ii*grid_dim +jj << std::endl;
//std::cerr << ampli[ii][jj] << " ";
norm_a += (ampli[ii][jj] - ampli_CPU[ii*grid_dim+jj])*(ampli[ii][jj] - ampli_CPU[ii*grid_dim+jj]);
}
//std::cerr << std::endl;
}
//
std::cout << " l2 difference norm cpu = " << std::setprecision(15) << norm_a << std::endl;
}
#endif
//
#if 1
#ifdef __WITH_GPU
{
type_t norm_a = 0.;
//
for (int ii = 0; ii < grid_dim; ++ii)
{
for (int jj = 0; jj < grid_dim; ++jj)
{
//std::cerr<< ii << " "<< jj << " " << ii*grid_dim +jj << std::endl;
//std::cerr << ampli_GPU[ii*grid_dim+jj] << " " << ampli[ii][jj] << std::endl;
norm_a += (ampli[ii][jj] - ampli_GPU[ii*grid_dim+jj])*(ampli[ii][jj] - ampli_GPU[ii*grid_dim+jj]);
}
//std::cerr << std::endl;
}
//
std::cout << " l2 difference norm gpu = " << std::setprecision(15) << norm_a << std::endl;
}
free_square_double_test(ampli, np);
free_square_int_test(namp, np);
#endif
#endif
}

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