snapshot of svn

test/testChi.cpp

@@ -0,0 +1,141 @@
+#include <iostream>
+#include <complex>
+#include <cstdlib>
+
+#include "DKSBase.h"
+#include "Utility/TimeStamp.h"
+
+using namespace std;
+
+int main(int argc, char *argv[]) {
+
+  char *api_name = new char[10];
+  char *device_name = new char[4];
+
+
+  if (argc == 3) {
+    strcpy(api_name, argv[1]);
+    strcpy(device_name, argv[2]);
+  } else if (argc == 2){
+    strcpy(api_name, argv[1]);
+    strcpy(device_name, "-gpu");
+  } else {
+    strcpy(api_name, "OpenCL");
+    strcpy(device_name, "-gpu");
+  }
+
+  cout << "Use api: " << api_name << endl;
+
+  cout << "Begin DKS Base tests" << endl;
+	
+  /* inti data */
+  int ierr;
+  int nsize = 4000000;
+  int jsize = 16;
+  int psize = 6;
+  double *data = new double[nsize*jsize];
+  double *p = new double[psize*jsize];
+  double data_out = 0;
+	
+  srand(time(NULL));
+  for (int i = 0; i < nsize*jsize; i++) {
+    //int sign = ((double)rand()/RAND_MAX > 0.5) ? 1 : -1;
+    //data[i] = sign*(double)rand()/RAND_MAX;
+    data[i] = (double)i / (nsize*jsize);
+    //data[i] = 1;
+  }
+  for (int i = 0; i < psize*jsize; i++) {
+    //int sign = ((double)rand()/RAND_MAX > 0.5) ? 1 : -1;
+    //p[i] = sign*(double)rand()/RAND_MAX;
+    p[i] = (double)i / (nsize*jsize);
+    //p[i] = 1;
+  }
+  /* end init */
+	
+  timestamp_t tstart, tend;
+  //timestamp_t t0, t1;
+	
+  tstart = get_timestamp();
+		
+  //init dks base class, set API to opencl and init connection with OpenCL device
+  DKSBase base;
+  base.setAPI(api_name, strlen(api_name));
+  base.setDevice(device_name, strlen(device_name));
+  base.initDevice();
+	
+  //ptrs to hold reference to device memory
+  void *dptr, *ntptr, *pptr;
+	
+  //allocate memory on device
+  //t0 = get_timestamp();
+  dptr = base.allocateMemory<double>(nsize*jsize, ierr);
+  ntptr = base.allocateMemory<double>(nsize*jsize, ierr);
+  pptr = base.allocateMemory<double>(psize*jsize, ierr);
+  //t1 = get_timestamp();
+  //cout << "Allocate memory: " << get_secs(t0, t1) << endl;
+	
+  //write data to device
+  //t0 = get_timestamp();
+  base.writeData<double>(dptr, data, nsize*jsize);	
+  //t1 = get_timestamp();
+  //cout << "Write data set: " << get_secs(t0, t1) << endl << endl;
+	
+  for (int i = 0; i < 5; i++) {
+    //write parameters to device
+    //t0 = get_timestamp();
+    base.writeData<double>(pptr, p, psize*jsize);
+    //t1 = get_timestamp();
+    //cout << "Write parameters: " << get_secs(t0, t1) << endl;
+
+    //set function to calcNt and execute it with necessary parameters
+    //t0 = get_timestamp();
+    base.callNt<double>(ntptr, pptr, psize, nsize, jsize, 0.025);
+    //t1 = get_timestamp();
+		
+    //cout << "Calc N(t): " << get_secs(t0, t1) << endl;
+		
+    //set function to chi2 and execute it with necessary parameters
+    //t0 = get_timestamp();
+    base.callChi2<double>(ntptr, dptr, ntptr, nsize*jsize);
+    //t1 = get_timestamp();
+    //cout << "Calc chi^2: " << get_secs(t0, t1) << endl;
+	
+    //set function so sum and execute it with necessary parameters
+    //t0 = get_timestamp();
+    base.callSum<double>(ntptr, ntptr, nsize*jsize);
+    //t1 = get_timestamp();
+    //cout << "Calc sum: " << get_secs(t0, t1) << endl;
+	
+    //read calculated sum (one value)
+    //t0 = get_timestamp();
+    base.readData<double>(ntptr, &data_out, 1);
+    //t1 = get_timestamp();
+    //cout << "Read sum: " << get_secs(t0, t1) << endl;
+    cout << "Sum nt: " << data_out << endl;
+		
+    /*
+      for (int i = 0; i < psize*jsize; i++) {
+      int sign = ((double)rand()/RAND_MAX > 0.5) ? 1 : -1;
+      p[i] = sign*(double)rand()/RAND_MAX;
+      }
+    */
+		
+		
+    //cout << endl;
+  }
+	
+  //free device memory
+  //t0 = get_timestamp();
+  base.freeMemory<double>(dptr, nsize*jsize);
+  base.freeMemory<double>(ntptr, nsize*jsize);
+  base.freeMemory<double>(pptr, psize*jsize);
+  //t1 = get_timestamp();
+  //cout << "Free memory: " << get_secs(t0, t1) << endl;
+	
+  tend = get_timestamp();
+	
+  cout << endl  << "time: " << get_secs(tstart, tend) << endl;
+		
+  return 0;
+}
+