public void RayIntersectVoxelGridPerformance()
{
#if DEBUG
// my laptop in High Performance mode
const double minMillionRaysPerSec = 0.19;
const double maxMillionRaysPerSec = 0.30;
#elif APPVEYOR_PERFORMANCE_MARGINS
// AppVeyor build server
const double minMillionRaysPerSec = 0.20;
const double maxMillionRaysPerSec = 0.31;
#else
// my laptop in High Performance mode
const double minMillionRaysPerSec = 0.14;
const double maxMillionRaysPerSec = 0.22;
#endif
const int numRays = 1000000;
const int voxelGridSize = 32;
var triList = new List <Triangle>();
triList.Add(new Triangle(
new Vector(-0.5, -0.5, 0.001),
new Vector(0.5, 0.5, 0.001),
new Vector(-0.5, 0.5, 0.001),
Engine3D.Color.Cyan.ToARGB()));
var voxels = new VoxelGrid(voxelGridSize, "RayIntersectVoxelGridPerformance_voxels", "");
int numFilledVoxels = TriMeshToVoxelGrid.Convert(triList, voxelGridSize, voxels);
Assert.AreEqual(voxelGridSize * voxelGridSize, numFilledVoxels);
var numRaysHit = 0;
DateTime startTime = DateTime.Now;
for (var i = 0; i < numRays; i++)
{
//var start = MakeRandomVector(-1, 1, -1, 1, -1, -0.5);
var start = MakeRandomVector(-0.5, 0.5, -0.5, 0.5, -1, -0.5);
var dir = new Vector(0, 0, 1);
//var start = MakeRandomVector(-2, 2, -2, 2, -2, 2);
//var dir = MakeRandomVector(-1, 1, -1, 1, -1, 1);
//var start = new Vector(0.5, 0.5, 0.5);
//var start = MakeRandomVector(-0.3, 0.3, -0.3, 0.3, 0.5, 1);
//var dir = MakeRandomVector(-0.5, 0.5, -0.5, 0.5, -1, -1);
//var dir = MakeRandomVector(1, 1, -1);
var info = voxels.IntersectRay(start, dir, context);
if (info != null)
{
numRaysHit++;
}
}
var elapsedTime = DateTime.Now - startTime;
// TODO: this should pass, but a bug in TriMeshToVoxelGrid.Convert makes this fail (930K)
//Assert.IsTrue(numRays * 0.45 < numRaysHit && numRaysHit <= numRays * 0.55, "Num rays hit {0} should be roughly half of total rays {1}", numRaysHit, numRays);
var millionRaysPerSec = numRays / 1000000.0 / elapsedTime.TotalSeconds;
Assert.IsTrue(minMillionRaysPerSec < millionRaysPerSec && millionRaysPerSec < maxMillionRaysPerSec,
"Rays per second {0:f3} not between {1} and {2} (millions)", millionRaysPerSec, minMillionRaysPerSec, maxMillionRaysPerSec);
Console.WriteLine("Performance: {0} million rays per second", millionRaysPerSec);
}
public void BuildVoxelGridPerformance()
{
#if DEBUG
// my laptop in High Performance mode
const double minMillionTriVoxelPerSec = 2.8;
const double maxMillionTriVoxelPerSec = 4.0;
#elif APPVEYOR_PERFORMANCE_MARGINS
// AppVeyor build server
const double minMillionTriVoxelPerSec = 31.0;
const double maxMillionTriVoxelPerSec = 46.0;
#else
// my laptop in High Performance mode
const double minMillionTriVoxelPerSec = 17.0;
const double maxMillionTriVoxelPerSec = 26.0;
#endif
const int numTriangles = 1000;
const int voxelGridSize = 32;
const uint triangleColor = 0xffffffff;
var triList = new List <Triangle>();
for (int i = 0; i < numTriangles; i++)
{
triList.Add(new Triangle(
MakeRandomVector(-0.5, 0.5, -0.5, 0.5, -0.5, 0.5),
MakeRandomVector(-0.5, 0.5, -0.5, 0.5, -0.5, 0.5),
MakeRandomVector(-0.5, 0.5, -0.5, 0.5, -0.5, 0.5),
triangleColor));
}
DateTime startTime = DateTime.Now;
var voxels = new VoxelGrid(voxelGridSize, "BuildVoxelGridPerformance_voxels", "");
int numFilledVoxels = TriMeshToVoxelGrid.Convert(triList, voxelGridSize, voxels);
var elapsedTime = DateTime.Now - startTime;
int totalVoxels = voxelGridSize * voxelGridSize * voxelGridSize;
Assert.IsTrue(numFilledVoxels > 0.99 * totalVoxels);
var millionTriVoxelPerSec = triList.Count * totalVoxels / 1000000.0 / elapsedTime.TotalSeconds;
Assert.IsTrue(minMillionTriVoxelPerSec < millionTriVoxelPerSec && millionTriVoxelPerSec < maxMillionTriVoxelPerSec,
"Tri/voxel per second {0:f3} not between {1} and {2} (millions)", millionTriVoxelPerSec, minMillionTriVoxelPerSec, maxMillionTriVoxelPerSec);
Console.WriteLine("Performance: {0} million tri/voxel built per second", millionTriVoxelPerSec);
}
