source: orxonox.OLD/branches/terrain.old/src/subprojects/benchmark.cc

/*
   orxonox - the future of 3D-vertical-scrollers

   Copyright (C) 2004 orx

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software Foundation,
   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.


   ### File Specific:
   main-programmer: Patrick Boenzli
   co-programmer: ...

*/


#if defined __linux__

#include "list.h"
#include "world_entity.h"
#include "vector.h"
#include "player.h"
#include "base_object.h"

#include <stdlib.h>
#include <asm/msr.h>
//#include <linux/timex.h>


#define LIST_MAX 1000
#define VECTOR_MAX 1000000
#define ITERATIONS 10000


int startBenchmarks()
{

  printf("===========================================================\n");
  printf("=                      BENCHMARKS                         =\n");
  printf("===========================================================\n");
  printf(" the author is not paying any attention to cacheing effects\n");
  printf(" of the CPU.\n\n");
  printf("[title]\t\t\t\t\t     [cycles]\t[loops]\n\n");
  //  printf("------------------------------------------------------------\n\n");

  // first measure the time overhead:
  unsigned long ini, end, dt;
  rdtscl(ini); rdtscl(end);
  dt = end - ini;

  int type = -1;
  /* type   -1 == all
     type    0 == framework
     type    1 == vector
     type    2 == quaternion
     type    3 == lists
  */
  if(type == 0 || type == -1)
    {
      /* framework test*/

      printf("Generating Objects:\t\t\t\t\t%i\n", ITERATIONS);
      /* ************WorldEntity class test************** */
      WorldEntity* w = NULL;
      int i = 0;
      unsigned long mittel = 0;

      for(i = 0; i < ITERATIONS; ++i)
        {
          rdtscl(ini);

          WorldEntity* w = new WorldEntity();

          rdtscl(end);
          delete w;
          mittel += (end - ini - dt);
        }
      float mi = mittel / (float)ITERATIONS;
      printf(" Generate a WorldEntity object:\t\t%11.2f\n", mi);

      /*
        mittel = 0;
        for(i = 0; i < ITERATIONS; ++i)
        {
        rdtscl(ini);

        WorldEntity* w = new Primitive(P_SPHERE);

        rdtscl(end);
        delete w;
        mittel += (end - ini - dt);
        }
        mi = mittel / (float)ITERATIONS;
        printf(" Generate a Primitive  object:\t\t%11.2f\n", mi);
      */

      mittel = 0;
      for(i = 0; i < ITERATIONS; ++i)
        {
          rdtscl(ini);

          Vector* v = new Vector();

          rdtscl(end);
          delete v;
          mittel += (end - ini - dt);
        }
      mi = mittel / (float)ITERATIONS;
      printf(" Generate a Vector object:\t\t%11.2f\n", mi);


     mittel = 0;
      for(i = 0; i < ITERATIONS; ++i)
        {
          rdtscl(ini);

          Quaternion* q = new Quaternion();

          rdtscl(end);
          delete q;
          mittel += (end - ini - dt);
        }
      mi = mittel / (float)ITERATIONS;
      printf(" Generate a Quaternion object:\t\t%11.2f\n", mi);




      printf("\nCalling function inline &| virtual, \t\t\t%i\n", ITERATIONS);
      mittel = 0;
      w = new WorldEntity();
      for(i = 0; i < ITERATIONS; ++i)
        {
          rdtscl(ini);

          w->tick(0.0f);

          rdtscl(end);
          mittel += (end - ini - dt);
          }
      //delete w;
      mi = mittel / (float)ITERATIONS;
      printf(" Virt funct tick() of WE: \t\t%11.2f\n", mi);


      mittel = 0;
      WorldEntity wo;
      for(i = 0; i < ITERATIONS; ++i)
        {
          rdtscl(ini);

          wo.tick(0.0f);

          rdtscl(end);
          mittel += (end - ini - dt);
          }
      //delete w;
      mi = mittel / (float)ITERATIONS;
      printf(" Inl virt funct tick() of WE v2: \t%11.2f\n", mi);


      mittel = 0;
      for(i = 0; i < ITERATIONS; ++i)
        {
          rdtscl(ini);

//          bo->isFinalized();

          rdtscl(end);
          mittel += (end - ini - dt);
          }
      //delete w;
      mi = mittel / (float)ITERATIONS;
      printf(" Inl funct BaseObject::isFinazlized(): \t%11.2f\n", mi);


      tList<WorldEntity>* list = new tList<WorldEntity>();


      /* ************Primitvie class test************** */
      list = new tList<WorldEntity>();


      /*
        mittel = 0;
        w = new Primitive(P_SPHERE);
        for(i = 0; i < ITERATIONS; ++i)
        {
        rdtscl(ini);

        w->tick(0.0f);

        rdtscl(end);
        mittel += (end - ini - dt);
        }
        mi = mittel / (float)ITERATIONS;
        printf(" Call function tick() of Prim:\t\t%11.2f\n", mi);
      */

    }

  if(type == 1 || type == -1)
    {
      printf("\nDoing some simple vector operations: \t\t\t%i\n", VECTOR_MAX);
      /* vector test */
      Vector* a = new Vector(1.3, 5.3, 4.1);
      Vector* b = new Vector(0.4, 2.5, 6.2);
      Vector* c = new Vector();

      unsigned long mittel, ini, end;
      float mi;
      int i = 0;
      // addition
      mittel = 0;
      for(i = 0; i < VECTOR_MAX; ++i)
        {
          rdtscl(ini);

          *c = *a + *b;

          rdtscl(end);
          mittel += (end - ini - dt);
        }
      mi = mittel / (float)VECTOR_MAX;
      printf(" Addition of two vectors:\t\t%11.2f\n", mi);

      // multiplikation

      mittel = 0;
      for(i = 0; i < VECTOR_MAX; ++i)
        {
          rdtscl(ini);

          *c = a->cross( *b);

          rdtscl(end);
          mittel += (end - ini - dt);
        }
      mi = mittel / (float)VECTOR_MAX;
      printf(" CrossMult of two vectors:\t\t%11.2f\n", mi);

    }
  if( type == 2 || type == -1)
    {
      /* quaternion test */
      printf("\nDoing some simple quaternion operations: \t\t%i\n", VECTOR_MAX);
      /* vector test */
      Quaternion* a = new Quaternion();
      Quaternion* b = new Quaternion();
      Quaternion* c = new Quaternion();

      unsigned long mittel, ini, end;
      float mi;
      int i = 0;
      // quaternion generieren mit spez konstruktor
      mittel = 0;
      Vector* qa = new Vector(4.6, 9.3, 0.4);
      Vector* qb = new Vector(3.5, 6.1, 4.3);
      for(i = 0; i < VECTOR_MAX; ++i)
        {
          rdtscl(ini);

          Quaternion* qu = new Quaternion(*qa, *qb);

          rdtscl(end);
          delete qu;
          mittel += (end - ini - dt);
        }
      delete a;
      delete b;
      mi = mittel / (float)VECTOR_MAX;
      printf(" Gen. quatern. betw. two vectors:\t%11.2f\n", mi);


      // multiplication
      mittel = 0;
      for(i = 0; i < VECTOR_MAX; ++i)
        {
          rdtscl(ini);

          *c = *a * *b;

          rdtscl(end);
          mittel += (end - ini - dt);
        }
      mi = mittel / (float)VECTOR_MAX;
      printf(" Multiplying two quat.(=rot): a * b\t%11.2f\n", mi);



      // rotating a vector by a quaternion
      mittel = 0;
      for(i = 0; i < VECTOR_MAX; ++i)
        {
          rdtscl(ini);

          *qa = a->apply(*qb);

          rdtscl(end);
          mittel += (end - ini - dt);
        }
      mi = mittel / (float)VECTOR_MAX;
      printf(" Rot a vec by a quat: q->apply(v)\t%11.2f\n", mi);



      // generate rotation matrix
      mittel = 0;
      float matrix[4][4];
      for(i = 0; i < VECTOR_MAX; ++i)
        {
          rdtscl(ini);

          a->matrix(matrix);

          rdtscl(end);
          mittel += (end - ini - dt);
        }
      mi = mittel / (float)VECTOR_MAX;
      printf(" Generate rot matrix: q->matrix(m)\t%11.2f\n", mi);
    }
  if( type == 3 || type == -1)
    {
      /* list tests*/
      printf("\nList operations tests: \t\t\t\t\t%i\n", LIST_MAX);
      tList<char>* list = new tList<char>();
      char* name;

      printf(" Adding[1..10] elements to list, found:\n");
      list->add("1");
      list->add("2");
      list->add("3");
      list->add("4");
      list->add("5");
      list->add("6");
      list->add("7");
      list->add("8");
      list->add("9");
      list->add("10");

      /*give list out */
      tIterator<char>* iterator = list->getIterator();
      name = iterator->firstElement();
      printf("  List Elements: \t\t");
      while( name != NULL)
        {
          printf("%s,", name);
          name = iterator->nextElement();
        }
      delete iterator;
      printf("\n");


      /*removing some elements from the list*/
      printf(" Removing elements [2,3,6,8,10], adding [11] now found:\n");
      list->remove("2");
      list->remove("3");
      list->remove("6");
      list->remove("8");
      list->remove("10");
      list->add("11");
      /*give list out */
      iterator = list->getIterator();
      name = iterator->firstElement();
      printf("  List Elements: \t\t");
      while( name != NULL)
        {
          printf("%s,", name);
          name = iterator->nextElement();
        }
      delete iterator;
      printf("\n");

      delete list;
      printf("\nChecking list performance:\t\t\t\t%i\n", LIST_MAX);

      tList<int>* plist = new tList<int>();
      unsigned long mittel, ini, end;
      float mi;
      int i = 0;
      mittel = 0;
      for(i = 0; i < LIST_MAX; ++i)
        {
          rdtscl(ini);

          plist->add(&i);

          rdtscl(end);
          mittel += (end - ini - dt);
        }
      mi = mittel / (float)LIST_MAX;
      printf(" Adding reference to list:\t\t%11.2f\n", mi);

      mittel = 0;
      for(i = 0; i < LIST_MAX; ++i)
        {
          rdtscl(ini);

          plist->remove(&i);

          rdtscl(end);
          mittel += (end - ini - dt);
        }
      mi = mittel / (float)LIST_MAX;
      printf(" Removing 1st reference from list:\t%11.2f\n", mi);


      printf("\nList operations tests: \t\t\t\t\t%i\n", LIST_MAX);
      list = new tList<char>();
      printf(" Adding[1..10] elements to list, found:\n");
      list->add("1");
      list->add("2");
      list->add("3");
      list->add("4");
      list->add("5");
      list->add("6");
      list->add("7");
      list->add("8");
      list->add("9");
      list->add("10");

      /*give list out */
      iterator = list->getIterator();
      name = iterator->firstElement();
      printf("  List Elements: \t\t");
      while( name != NULL)
        {
          printf("%s,", name);
          name = iterator->nextElement();
        }
      delete iterator;
      printf("\n");


      int c = 0;
      printf(" Going trough list with nextElement(el) func: ");
      name = list->firstElement();
      while(c < 20)
        {
          printf("%s,", name);
          name = list->nextElement(name);
          c++;
        }
      printf("\n");
    }

    return 0;
}

#else

#include "debug.h"

int startBenchmarks()
{
  PRINTF(1)("Benchmark is not implemented in this system\n");
}

#endif