public static void Benchmark(IBroadphaseInterface broadphaseInterface)
{
IList<BroadphaseBenchmarkObject> objects = new List<BroadphaseBenchmarkObject>();
Stopwatch wallclock = new Stopwatch();
/* Begin */
for (int iexp = 0; iexp < s_experiments.Length; ++iexp)
{
BroadphaseBenchmarkExperiment experiment = DbvtBroadphase.s_experiments[iexp];
int object_count = experiment.object_count;
int update_count = (object_count * experiment.update_count) / 100;
int spawn_count = (object_count * experiment.spawn_count) / 100;
float speed = experiment.speed;
float amplitude = experiment.amplitude;
if (BulletGlobals.g_streamWriter != null)
{
BulletGlobals.g_streamWriter.WriteLine("Experiment #{0} '{1}':", iexp, experiment.name);
BulletGlobals.g_streamWriter.WriteLine("\tObjects: {0}", object_count);
BulletGlobals.g_streamWriter.WriteLine("\tUpdate: {0}", update_count);
BulletGlobals.g_streamWriter.WriteLine("\tSpawn: {0}", spawn_count);
BulletGlobals.g_streamWriter.WriteLine("\tSpeed: {0}", speed);
BulletGlobals.g_streamWriter.WriteLine("\tAmplitude: {0}", amplitude);
}
//srand(180673);
/* Create objects */
wallclock.Reset();
//objects.Capacity = object_count;
for (int i = 0; i < object_count; ++i)
{
BroadphaseBenchmarkObject po = new BroadphaseBenchmarkObject();
po.center.X = BroadphaseBenchmark.UnitRand() * 50;
po.center.Y = BroadphaseBenchmark.UnitRand() * 50;
po.center.Z = BroadphaseBenchmark.UnitRand() * 50;
po.extents.X = BroadphaseBenchmark.UnitRand() * 2 + 2;
po.extents.Y = BroadphaseBenchmark.UnitRand() * 2 + 2;
po.extents.Z = BroadphaseBenchmark.UnitRand() * 2 + 2;
po.time = BroadphaseBenchmark.UnitRand() * 2000;
po.proxy = broadphaseInterface.CreateProxy(po.center - po.extents, po.center + po.extents, BroadphaseNativeTypes.BOX_SHAPE_PROXYTYPE, po, CollisionFilterGroups.BDefaultGroup, CollisionFilterGroups.BDefaultGroup, null, null);
objects.Add(po);
}
BroadphaseBenchmark.OutputTime("\tInitialization", wallclock, 1);
/* First update */
wallclock.Reset();
for (int i = 0; i < objects.Count; ++i)
{
objects[i].update(speed, amplitude, broadphaseInterface);
}
BroadphaseBenchmark.OutputTime("\tFirst update", wallclock, 1);
/* Updates */
wallclock.Reset();
for (int i = 0; i < experiment.iterations; ++i)
{
for (int j = 0; j < update_count; ++j)
{
objects[j].update(speed, amplitude, broadphaseInterface);
}
broadphaseInterface.CalculateOverlappingPairs(null);
}
BroadphaseBenchmark.OutputTime("\tUpdate", wallclock, (uint)experiment.iterations);
/* Clean up */
wallclock.Reset();
for (int i = 0; i < objects.Count; ++i)
{
broadphaseInterface.DestroyProxy(objects[i].proxy, null);
objects[i] = null;
}
objects.Clear();
BroadphaseBenchmark.OutputTime("\tRelease", wallclock, 1);
}
}
public static void Benchmark(IBroadphaseInterface broadphaseInterface)
{
IList <BroadphaseBenchmarkObject> objects = new List <BroadphaseBenchmarkObject>();
Stopwatch wallclock = new Stopwatch();
/* Begin */
for (int iexp = 0; iexp < s_experiments.Length; ++iexp)
{
BroadphaseBenchmarkExperiment experiment = DbvtBroadphase.s_experiments[iexp];
int object_count = experiment.object_count;
int update_count = (object_count * experiment.update_count) / 100;
int spawn_count = (object_count * experiment.spawn_count) / 100;
float speed = experiment.speed;
float amplitude = experiment.amplitude;
if (BulletGlobals.g_streamWriter != null)
{
BulletGlobals.g_streamWriter.WriteLine("Experiment #{0} '{1}':", iexp, experiment.name);
BulletGlobals.g_streamWriter.WriteLine("\tObjects: {0}", object_count);
BulletGlobals.g_streamWriter.WriteLine("\tUpdate: {0}", update_count);
BulletGlobals.g_streamWriter.WriteLine("\tSpawn: {0}", spawn_count);
BulletGlobals.g_streamWriter.WriteLine("\tSpeed: {0}", speed);
BulletGlobals.g_streamWriter.WriteLine("\tAmplitude: {0}", amplitude);
}
//srand(180673);
/* Create objects */
wallclock.Reset();
//objects.Capacity = object_count;
for (int i = 0; i < object_count; ++i)
{
BroadphaseBenchmarkObject po = new BroadphaseBenchmarkObject();
po.center.X = BroadphaseBenchmark.UnitRand() * 50;
po.center.Y = BroadphaseBenchmark.UnitRand() * 50;
po.center.Z = BroadphaseBenchmark.UnitRand() * 50;
po.extents.X = BroadphaseBenchmark.UnitRand() * 2 + 2;
po.extents.Y = BroadphaseBenchmark.UnitRand() * 2 + 2;
po.extents.Z = BroadphaseBenchmark.UnitRand() * 2 + 2;
po.time = BroadphaseBenchmark.UnitRand() * 2000;
po.proxy = broadphaseInterface.CreateProxy(po.center - po.extents, po.center + po.extents, BroadphaseNativeTypes.BOX_SHAPE_PROXYTYPE, po, CollisionFilterGroups.DefaultFilter, CollisionFilterGroups.DefaultFilter, null, null);
objects.Add(po);
}
BroadphaseBenchmark.OutputTime("\tInitialization", wallclock, 1);
/* First update */
wallclock.Reset();
for (int i = 0; i < objects.Count; ++i)
{
objects[i].update(speed, amplitude, broadphaseInterface);
}
BroadphaseBenchmark.OutputTime("\tFirst update", wallclock, 1);
/* Updates */
wallclock.Reset();
for (int i = 0; i < experiment.iterations; ++i)
{
for (int j = 0; j < update_count; ++j)
{
objects[j].update(speed, amplitude, broadphaseInterface);
}
broadphaseInterface.CalculateOverlappingPairs(null);
}
BroadphaseBenchmark.OutputTime("\tUpdate", wallclock, (uint)experiment.iterations);
/* Clean up */
wallclock.Reset();
for (int i = 0; i < objects.Count; ++i)
{
broadphaseInterface.DestroyProxy(objects[i].proxy, null);
objects[i] = null;
}
objects.Clear();
BroadphaseBenchmark.OutputTime("\tRelease", wallclock, 1);
}
}