Easyprofiler added

3rdparty/easyprofiler/sample/express_sample.cpp

@@ -0,0 +1,83 @@
+#include <chrono>
+#include <thread>
+#include <vector>
+#include <iostream>
+#include <condition_variable>
+#include <cstdlib>
+#include <math.h>
+
+#include <easy/profiler.h>
+#include <easy/reader.h>
+
+int OBJECTS = 500;
+
+void modellingThread(){
+    EASY_THREAD("Modelling");
+
+    static const int N = OBJECTS;
+
+    volatile double *pos[N];
+    for (int i = 0; i < N; ++i)
+    {
+        pos[i] = new volatile double[3];
+    }
+
+    {
+        EASY_BLOCK("Collisions");
+        volatile int i, j;
+        volatile double dist;
+        for (i = 0; i < N; ++i)
+        {
+            for (j = i + 1; j < N; ++j)
+            {
+                EASY_BLOCK("Check");
+                volatile double v[3];
+                v[0] = pos[i][0] - pos[j][0];
+                v[1] = pos[i][1] - pos[j][1];
+                v[2] = pos[i][2] - pos[j][2];
+                dist = v[0] * v[0] + v[1] * v[1] + v[2] * v[2];
+                if (dist < 10000)
+                {
+                    dist *= dist;
+                }
+            }
+        }
+    }
+
+    for (int i = 0; i < N; ++i)
+    {
+        delete [] pos[i];
+    }
+}
+
+//////////////////////////////////////////////////////////////////////////
+
+int main(int argc, char* argv[])
+{
+    if (argc > 1 && argv[1]){
+        OBJECTS = std::atoi(argv[1]);
+    }
+
+    std::cout << "Objects count: " << OBJECTS << std::endl;
+
+    auto start = std::chrono::system_clock::now();
+
+
+    EASY_PROFILER_ENABLE;
+    EASY_MAIN_THREAD;
+
+
+    modellingThread();
+
+    auto end = std::chrono::system_clock::now();
+    auto elapsed =
+            std::chrono::duration_cast<std::chrono::microseconds>(end - start);
+
+    std::cout << "Elapsed time: " << elapsed.count() << " usec" << std::endl;
+
+    auto blocks_count = profiler::dumpBlocksToFile("test.prof");
+
+    std::cout << "Blocks count: " << blocks_count << std::endl;
+
+    return 0;
+}