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test/testCollimatorPhysics.cpp
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248
test/testCollimatorPhysics.cpp
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#include <iostream>
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#include <vector>
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#include <sys/time.h>
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#include "DKSBase.h"
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#include <vector_types.h>
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#include "cuda_runtime.h"
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using namespace std;
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typedef struct {
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int label;
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unsigned localID;
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double Rincol[3];
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double Pincol[3];
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} PART_SMALL;
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typedef struct {
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double x;
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double y;
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double z;
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} Vector;
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PART_SMALL initPartSmall(int d) {
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PART_SMALL p;
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p.label = 0;
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p.localID = d;
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p.Rincol[0] = 0.0;
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p.Rincol[1] = 0.0;
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p.Rincol[2] = 0.02;
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p.Pincol[0] = 0.0;
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p.Pincol[1] = 0.0;
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p.Pincol[2] = 3.9920183237269791e-01;
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return p;
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}
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Vector initVector() {
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Vector tmp;
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tmp.x = 0.5;
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tmp.y = 0.5;
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tmp.z = 0.5;
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return tmp;
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}
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void printPart(PART_SMALL p) {
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cout << "label: " << p.label << ", ";
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cout << "localid: " << p.localID << ",";
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cout << "Rincol: " << p.Rincol[0] << ", " << p.Rincol[1] << ", " << p.Rincol[2] << ", ";
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cout << "Pincol: " << p.Pincol[0] << ", " << p.Pincol[1] << ", " << p.Pincol[2];
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cout << endl;
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}
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void printVector(Vector v) {
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cout << v.x << "\t" << v.y << "\t" << v.z << endl;
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}
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void initParts(PART_SMALL *p, int N) {
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for (int i = 0; i < N; i++)
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p[i] = initPartSmall(i);
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}
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void printParts(PART_SMALL *p, int N) {
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for (int i = 0; i < N; i++)
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printPart(p[i]);
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cout << endl;
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}
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void initVectors(Vector *v, int N) {
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for (int i = 0; i < N; i++)
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v[i] = initVector();
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}
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void printVectors(Vector *v, int N) {
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for (int i = 0; i < N; i++)
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printVector(v[i]);
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cout << endl;
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}
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void initParams(double *data) {
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data[0] = 0.0;//2.0000000000000000e-02;
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data[1] = 1.0;//1.0000000000000000e-02;
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data[2] = 2.2100000000000000e+00;
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data[3] = 6.0000000000000000e+00;
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data[4] = 1.2010700000000000e+01;
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data[5] = 2.6010000000000000e+00;
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data[6] = 1.7010000000000000e+03;
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data[7] = 1.2790000000000000e+03;
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data[8] = 1.6379999999999999e-02;
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data[9] = 1.9321266968325795e-01;
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data[10] = 7.9000000000000000e+01;
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data[11] = 1.0000000000000002e-12;
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}
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void printDouble(double *data, int N) {
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for (int i = 0; i < N; i++)
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std::cout << data[i] << "\t";
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std::cout << std::endl;
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}
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int main(int argc, char *argv[]) {
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int loop = 10;
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int numpart = 1e5;
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char *api_name = new char[10];
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char *device_name = new char[10];
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strcpy(api_name, "Cuda");
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strcpy(device_name, "-gpu");
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for (int i = 1; i < argc; i++) {
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if (argv[i] == string("-mic")) {
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strcpy(api_name, "OpenMP");
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strcpy(device_name, "-mic");
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}
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if (argv[i] == string("-npart")) {
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numpart = atoi(argv[i+1]);
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i++;
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}
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if (argv[i] == string("-loop")) {
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loop = atoi(argv[i+1]);
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i++;
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}
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}
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cout << "=========================BEGIN TEST=========================" << endl;
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cout << "Use api: " << api_name << "\t" << device_name << endl;
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cout << "Number of particles: " << numpart << endl;
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cout << "Number of loops: " << loop << endl;
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cout << "------------------------------------------------------------" << endl;
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//init part vector to test mc
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PART_SMALL *parts = new PART_SMALL[numpart];
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initParts(parts, numpart);
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double *params = new double[12];
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initParams(params);
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//init dks
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int ierr;
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DKSBase base;
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base.setAPI(api_name, strlen(api_name));
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base.setDevice(device_name, strlen(api_name));
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base.initDevice();
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//init random
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base.callInitRandoms(numpart);
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//**test collimator physics and sort***//
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void *part_ptr, *param_ptr;
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//allocate memory for particles
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part_ptr = base.allocateMemory<PART_SMALL>(numpart, ierr);
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param_ptr = base.allocateMemory<double>(12, ierr);
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//transfer data to device
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base.writeData<PART_SMALL>(part_ptr, parts, numpart);
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base.writeData<double>(param_ptr, params, 12);
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int numaddback;
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//test calls to do some first executions
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base.callCollimatorPhysics2(part_ptr, param_ptr, numpart);
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base.callCollimatorPhysicsSort(part_ptr, numpart, numaddback);
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base.syncDevice();
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//std::cout << "particles to add back: " << numaddback << std::endl;
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struct timeval timeStart, timeEnd;
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std::cout << "Start MC" << std::endl;
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gettimeofday(&timeStart, NULL);
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for (int i = 0; i < loop; i++) {
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base.callCollimatorPhysics2(part_ptr, param_ptr, numpart);
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base.callCollimatorPhysicsSort(part_ptr, numpart, numaddback);
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base.syncDevice();
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}
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gettimeofday(&timeEnd, NULL);
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std::cout << "addback: " << numaddback << std::endl;
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std::cout << "End MC" << std::endl;
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double t = ( (timeEnd.tv_sec - timeStart.tv_sec) * 1000000 +
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(timeEnd.tv_usec - timeStart.tv_usec));
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std::cout << "Time for " << loop << " MC runs: " << t * 1e-6 << "s" << std::endl;
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std::cout << "Average time for MC run: " << t * 1e-6 / loop << std::endl;
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//read data from device
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base.readData<PART_SMALL>(part_ptr, parts, numpart);
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//free memory
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base.freeMemory<PART_SMALL>(part_ptr, numpart);
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base.freeMemory<double>(param_ptr, 12);
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std::cout << std::fixed << std::setprecision(4);
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for (int i = 0; i < 10; i++) {
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std::cout << parts[i].label << "\t"
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<< parts[i].Rincol[0] << "\t" << parts[i].Rincol[1] << "\t"
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<< parts[i].Rincol[2] << "\t" << parts[i].Pincol[0] << "\t"
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<< parts[i].Pincol[1] << "\t" << parts[i].Pincol[2] << "\t"
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<< std::endl;
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}
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std:: cout << "..." << std::endl;
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for (int i = numpart - 10; i < numpart; i++) {
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std::cout << parts[i].label << "\t"
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<< parts[i].Rincol[0] << "\t" << parts[i].Rincol[1] << "\t"
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<< parts[i].Rincol[2] << "\t" << parts[i].Pincol[0] << "\t"
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<< parts[i].Pincol[1] << "\t" << parts[i].Pincol[2] << "\t"
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<< std::endl;
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}
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double arx = 0, ary = 0, arz = 0;
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double apx = 0, apy = 0, apz = 0;
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for (int i = 0; i < numpart; i++) {
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arx += sqrt(parts[i].Rincol[0] * parts[i].Rincol[0]) / numpart;
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ary += sqrt(parts[i].Rincol[1] * parts[i].Rincol[1]) / numpart;
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arz += sqrt(parts[i].Rincol[2] * parts[i].Rincol[2]) / numpart;
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apx += sqrt(parts[i].Pincol[0] * parts[i].Pincol[0]) / numpart;
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apy += sqrt(parts[i].Pincol[1] * parts[i].Pincol[1]) / numpart;
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apz += sqrt(parts[i].Pincol[2] * parts[i].Pincol[2]) / numpart;
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}
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std::cout << std::fixed << std::setprecision(10);
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std::cout << "R (" << arx << ", " << ary << ", " << arz << ") " << std::endl
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<< "P (" << apx << ", " << apy << ", " << apz << ") " << std::endl;
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cout << "==========================END TEST==========================" << endl;
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return 0;
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}
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