public void TransmitParticles(SimulationStructure structure, int step)
{
foreach (var core in structure.CoreGrid.GetCores())
{
foreach (NeighbourTransferSection section in core.Sections)
{
if (section.ToTransmit[0].Any())
{
TransferParticles(section, 0, section.Grid, new Point3(-1, 0, 0), structure, step);
}
if (section.ToTransmit[1].Any())
{
TransferParticles(section, 1, section.Grid, new Point3(1, 0, 0), structure, step);
}
if (section.ToTransmit[2].Any())
{
TransferParticles(section, 2, section.Grid, new Point3(0, -1, 0), structure, step);
}
if (section.ToTransmit[3].Any())
{
TransferParticles(section, 3, section.Grid, new Point3(0, 1, 0), structure, step);
}
if (section.ToTransmit[4].Any())
{
TransferParticles(section, 4, section.Grid, new Point3(0, 0, -1), structure, step);
}
if (section.ToTransmit[5].Any())
{
TransferParticles(section, 5, section.Grid, new Point3(0, 0, 1), structure, step);
}
}
}
}
public void MoveParticles(SimulationStructure structure, float step, int simStep)
{
var dampingF = (float)(1 / Math.Exp(step));
foreach (var particleSection in structure.GetAllSections())
{
particleSection.ApplyToAllParticles(particle =>
{
particle.Position += particle.Velocity * step;
particle.Velocity += step * (gravityPoint - particle.Position);
bouncer.BounceParticle(ref particle);
if (particle.Velocity.LengthSquared() > maxSpeedSquared)
{
particle.Velocity *= 0.9f;
}
return(particle);
});
}
centerRemainTime -= step;
if (centerRemainTime < 0)
{
UpdateGravityPoint(structure);
}
costCalculator.CalculateTotalCost(structure, simStep);
}
public void PutParticlesForTransmission(SimulationStructure simulationStructure)
{
foreach (KMeansSection section in simulationStructure.CoreGrid.GetCores().SelectMany(o => o.Sections))
{
for (var i = 0; i < section.CurrentParticles.Count; i++)
{
var particlePosition = section.CurrentParticles[i].Position;
var sectionPosition = section.CurrentPosition;
var dDif = calculatedSingleDimDif(particlePosition, sectionPosition, section);
var bestDif = dDif.Max();
if (bestDif <= 0)
{
continue;
}
for (var j = 0; j < 6; j++)
{
if (bestDif != dDif[j])
{
continue;
}
section.ToTransmit[j].Add(section.CurrentParticles[i]);
section.CurrentParticles[i] = Particle.Null;
break;
}
}
//o => !o.IsNull
section.CurrentParticles = section.CurrentParticles.Where(o => !o.IsNull).ToList();
}
}
public void MoveParticles(SimulationStructure structure, float step, int simStep)
{
foreach (var allSection in structure.GetAllSections())
{
allSection.ApplyToAllParticles(
particle =>
{
var randomAcceleration = step * acceleration *
(
new Vector3((float)(randomizer.NextDouble() - 0.5d),
(float)(randomizer.NextDouble() - 0.5d),
(float)(randomizer.NextDouble() - 0.5d)) +
accelerationBias);
particle.Velocity += randomAcceleration;
if (particle.Velocity.LengthSquared() > maxSpeedSquared)
{
particle.Velocity.Normalize();
particle.Velocity = particle.Velocity * (float)Math.Sqrt(maxSpeedSquared);
}
particle.Position += particle.Velocity * step;
bouncer.BounceParticle(ref particle);
return(particle);
});
}
costCalculator.CalculateTotalCost(structure, simStep);
}
public void PutParticlesForTransmission(SimulationStructure simulationStructure)
{
foreach (KMeansSection section in simulationStructure.CoreGrid.GetCores().SelectMany(o => o.Sections))
{
for (var i = 0; i < section.CurrentParticles.Count; i++)
{
var ownDistance = Vector3.DistanceSquared(section.CurrentParticles[i].Position, section.CurrentPosition) * (1f + GrowParameter * section.CurrentParticles.Count);
var minDistance = ownDistance;
var bestDirection = -1;
for (var j = 0; j < 6; j++)
{
var localDistance = Vector3.DistanceSquared(section.CurrentParticles[i].Position, section.NeighbourPositions[j]) * (1f + GrowParameter * section.neighbourSizes[j]);
if (!(localDistance < minDistance))
{
continue;
}
bestDirection = j;
minDistance = localDistance;
}
if (bestDirection == -1)
{
continue;
}
section.ToTransmit[bestDirection].Add(section.CurrentParticles[i]);
section.CurrentParticles[i] = Particle.Null;
}
section.CurrentParticles = section.CurrentParticles.Where(o => !o.IsNull).ToList();
}
}
private void drawCoreCenters(SimulationStructure structure, Image <Rgb, byte> image)
{
foreach (var section in structure.CoreGrid.GetCores().SelectMany(c => c.Sections))
{
if (!(section is NeighbourTransferSection))
{
break;
}
var curpos = ((NeighbourTransferSection)section).CurrentPosition;
var coord = getPictureCoordinatesFor(curpos.X, curpos.Z, structure);
for (var i = -1; i < 2; i++)
{
for (var j = -1; j < 2; j++)
{
try
{
image[coord.Item2 + i, coord.Item1 + j] = new Rgb(Color.Red);
}catch
{
}
}
}
}
}
public void PutParticlesForTransmission(SimulationStructure simulationStructure)
{
foreach (KMeansSection section in simulationStructure.CoreGrid.GetCores().SelectMany(o => o.Sections))
{
PrepareSectionTransmission(section);
}
}
public void Sort(SimulationStructure simulationStructure, int step)
{
neighbourPositionGetter.GetOldPositionsNeighbours(simulationStructure);
neighbourSizeGetter.GetOldSizesNeighbours(simulationStructure);
positionUpdater.UpdateSectionPositions(simulationStructure);
foreach (KMeansSection section in simulationStructure.CoreGrid.GetCores().SelectMany(o => o.Sections))
{
for (var i = 0; i < section.CurrentParticles.Count; i++)
{
var ownDistance = Vector3.DistanceSquared(section.CurrentParticles[i].Position, section.CurrentPosition);
var minDistance = ownDistance;
var bestDirection = -1;
for (var j = 0; j < 6; j++)
{
var localDistance = Vector3.DistanceSquared(section.CurrentParticles[i].Position, section.NeighbourPositions[j]);
if (!(localDistance < minDistance))
{
continue;
}
bestDirection = j;
minDistance = localDistance;
}
if (bestDirection == -1)
{
continue;
}
section.ToTransmit[bestDirection].Add(section.CurrentParticles[i]);
section.CurrentParticles[i] = Particle.Null;
}
section.CurrentParticles = section.CurrentParticles.Where(o => !o.IsNull).ToList();
}
nTransmitter.TransmitParticles(simulationStructure, step);
}
public void GetOldSizesNeighbours(SimulationStructure simulationStructure)
{
foreach (var section in simulationStructure.CoreGrid.GetCores().SelectMany(core => core.Sections.Cast <KMeansSection>()))
{
Point3 ownPos;
IParticleSection otherParticleSection;
section.Grid.SectionCoreMapping.TryGetValue(section, out ownPos);
var ownSize = section.CurrentParticles.Count;
if (section.Grid.SectionCoreMapping.TryGetKey(ownPos + new Point3(-1, 0, 0), out otherParticleSection))
{
section.neighbourSizes[0] = (((KMeansSection)otherParticleSection).CurrentParticles.Count + section.neighbourSizes[0] * inertia) / (inertia + 1);
}
else
{
section.neighbourSizes[0] = ownSize;
}
if (section.Grid.SectionCoreMapping.TryGetKey(ownPos + new Point3(1, 0, 0), out otherParticleSection))
{
section.neighbourSizes[1] = (((KMeansSection)otherParticleSection).CurrentParticles.Count + section.neighbourSizes[1] * inertia) / (inertia + 1);
}
else
{
section.neighbourSizes[1] = ownSize;
}
if (section.Grid.SectionCoreMapping.TryGetKey(ownPos + new Point3(0, -1, 0), out otherParticleSection))
{
section.neighbourSizes[2] = (section.neighbourSizes[2] * inertia + ((KMeansSection)otherParticleSection).CurrentParticles.Count) / (inertia + 1);
}
else
{
section.neighbourSizes[2] = ownSize;
}
if (section.Grid.SectionCoreMapping.TryGetKey(ownPos + new Point3(0, 1, 0), out otherParticleSection))
{
section.neighbourSizes[3] = (section.neighbourSizes[3] * inertia + ((KMeansSection)otherParticleSection).CurrentParticles.Count) / (inertia + 1);
}
else
{
section.neighbourSizes[3] = ownSize;
}
if (section.Grid.SectionCoreMapping.TryGetKey(ownPos + new Point3(0, 0, -1), out otherParticleSection))
{
section.neighbourSizes[4] = (section.neighbourSizes[4] * inertia + ((KMeansSection)otherParticleSection).CurrentParticles.Count) / (inertia + 1);
}
else
{
section.neighbourSizes[4] = ownSize;
}
if (section.Grid.SectionCoreMapping.TryGetKey(ownPos + new Point3(0, 0, 1), out otherParticleSection))
{
section.neighbourSizes[5] = (section.neighbourSizes[5] * inertia + ((KMeansSection)otherParticleSection).CurrentParticles.Count) / (inertia + 1);
}
else
{
section.neighbourSizes[5] = ownSize;
}
//TODO add cost.
}
}
private void UpdateGravityPoint(SimulationStructure structure)
{
var sections = structure.CoreGrid.GetCores().SelectMany(c => c.Sections).ToList();
var particleSection = sections[random.Next(sections.Count)];
gravityPoint = particleSection.UpperBound / 2 + particleSection.LowerBound / 2;
centerRemainTime += swapTime;
}
public void GetOldPositionsNeighbours(SimulationStructure simulationStructure)
{
foreach (var section in simulationStructure.CoreGrid.GetCores().SelectMany(core => core.Sections.Cast <NeighbourTransferSection>()))
{
Point3 ownPos;
IParticleSection otherParticleSection;
section.Grid.SectionCoreMapping.TryGetValue(section, out ownPos);
if (section.Grid.SectionCoreMapping.TryGetKey(ownPos + new Point3(-1, 0, 0), out otherParticleSection))
{
section.NeighbourPositions[0] = ((NeighbourTransferSection)otherParticleSection).CurrentPosition;
}
else
{
section.NeighbourPositions[0] = new Vector3(-100, -100, -100);
}
if (section.Grid.SectionCoreMapping.TryGetKey(ownPos + new Point3(1, 0, 0), out otherParticleSection))
{
section.NeighbourPositions[1] = ((NeighbourTransferSection)otherParticleSection).CurrentPosition;
}
else
{
section.NeighbourPositions[1] = new Vector3(100, 100, 100);
}
if (section.Grid.SectionCoreMapping.TryGetKey(ownPos + new Point3(0, -1, 0), out otherParticleSection))
{
section.NeighbourPositions[2] = ((NeighbourTransferSection)otherParticleSection).CurrentPosition;
}
else
{
section.NeighbourPositions[2] = new Vector3(-100, -100, -100);
}
if (section.Grid.SectionCoreMapping.TryGetKey(ownPos + new Point3(0, 1, 0), out otherParticleSection))
{
section.NeighbourPositions[3] = ((NeighbourTransferSection)otherParticleSection).CurrentPosition;
}
else
{
section.NeighbourPositions[3] = new Vector3(100, 100, 100);
}
if (section.Grid.SectionCoreMapping.TryGetKey(ownPos + new Point3(0, 0, -1), out otherParticleSection))
{
section.NeighbourPositions[4] = ((NeighbourTransferSection)otherParticleSection).CurrentPosition;
}
else
{
section.NeighbourPositions[4] = new Vector3(-100, -100, -100);
}
if (section.Grid.SectionCoreMapping.TryGetKey(ownPos + new Point3(0, 0, 1), out otherParticleSection))
{
section.NeighbourPositions[5] = ((NeighbourTransferSection)otherParticleSection).CurrentPosition;
}
else
{
section.NeighbourPositions[5] = new Vector3(100, 100, 100);
}
//TODO add cost.
}
}
public void UpdateSectionPositions(SimulationStructure simulationStructure)
{
foreach (
var section in
simulationStructure.CoreGrid.GetCores().SelectMany(core => core.Sections.Cast <NeighbourTransferSection>()))
{
SetAveragePosition(section);
}
}
public void VisualizeStep(SimulationStructure structure, int step)
{
if ((step + 1) % snapTime != 0)
{
return;
}
combinedVisualizer.VisualizeStep(structure, step);
pictureMerger.CreatePicture(step);
}
public Tuple <int, int> GetPictureCoordinatesFor(float x, float z, SimulationStructure structure)
{
latestBound = LatestBoundary(structure);
var xFac = x / latestBound.X;
var zFac = z / latestBound.Z;
xFac *= (width - 2);
zFac *= (height - 2);
return(new Tuple <int, int>(((int)xFac), ((int)zFac)));
}
public void Sort(SimulationStructure simulationStructure, int step)
{
sectionPositionUpdater.UpdateSectionPositions(simulationStructure);
// puts right amount of particles for transmission calculates the total transmission space needed.
bridgeTransmissionPreparer.PutParticlesForTransmission(simulationStructure);
transmitter.TransmitParticles(simulationStructure, step);
neighbourPositionGetter.GetOldPositionsNeighbours(simulationStructure);
//Calculate new increase and send and give to neighbours.
bridgeInterestGetter.GetOldNeighbourInterests(simulationStructure);
}
private Rgb GetColorOf(IParticleSection particleSection, SimulationStructure structure)
{
var coord = getPictureCoordinatesFor(particleSection.UpperBound.X, particleSection.UpperBound.Z, structure);
var r = (0.5 + 0.4 * Math.Cos((double)coord.Item1 * 20 + coord.Item2 * 22)) * 256;
var g = (0.5 + 0.4 * Math.Cos((double)coord.Item1 * 18 + coord.Item2 * 20)) * 256;
var b = (0.5 + 0.4 * Math.Cos((double)coord.Item1 * 16 + coord.Item2 * 18)) * 256;
return(new Rgb(Color.FromArgb((int)r, (int)g, (int)b)));
}
public void Sort(SimulationStructure simulationStructure, int step)
{
foreach (var core in simulationStructure.CoreGrid.GetCores())
{
foreach (StrictBoundaryParticleSection section in core.Sections)
{
SortInnerParticles(section, step, simulationStructure);
SortOuterParticles(section, step);
}
}
transmitter.TransmitParticles(simulationStructure, step);
}
void ISectionTransmissionPreparer.PutParticlesForTransmission(SimulationStructure simulationStructure)
{
foreach (KMeansSection section in simulationStructure.CoreGrid.GetCores().SelectMany(o => o.Sections))
{
var currentPosition = section.CurrentPosition;
var mySize = (section.CurrentParticles.Count + section.LastSize) / 2;
for (var i = 0; i < section.CurrentParticles.Count; i++)
{
var currentParticle = section.CurrentParticles[i];
var particlePosition = currentParticle.Position;
int xNeighbour, yNeighbour, zNeighbour;
float xTransScore, yTransScore, zTransScore;
var xGood = CalculationParticleMovementSingleDimension(particlePosition.X, currentPosition.X,
section, 0, mySize, currentParticle, i, section.NeighbourPositions[0].X,
section.NeighbourPositions[0 + 1].X, growParameter, out xTransScore,
out xNeighbour);
var yGood =
CalculationParticleMovementSingleDimension(particlePosition.Y, currentPosition.Y, section, 2,
mySize, currentParticle, i, section.NeighbourPositions[2].Y, section.NeighbourPositions[2 + 1].Y,
growParameter, out yTransScore, out yNeighbour);
var zGood = CalculationParticleMovementSingleDimension(particlePosition.Z, currentPosition.Z, section, 4,
mySize, currentParticle, i, section.NeighbourPositions[4].Z, section.NeighbourPositions[4 + 1].Z, growParameter, out zTransScore, out zNeighbour);
var best = Math.Max(Math.Max(xTransScore, yTransScore), zTransScore);
//TODO PLEASE REFACTOR TO ARRAY of dim 3 before...
if ((!xGood) && (!yGood) && (!zGood))
{
continue;
}
section.CurrentParticles[i] = Particle.Null;
if (best == xTransScore && xGood)
{
section.ToTransmit[xNeighbour].Add(currentParticle);
continue;
}
if (best == yTransScore && yGood)
{
section.ToTransmit[yNeighbour].Add(currentParticle);
continue;
}
if (best == zTransScore && zGood)
{
section.ToTransmit[zNeighbour].Add(currentParticle);
continue;
}
}
section.CurrentParticles = section.CurrentParticles.Where(o => !o.IsNull).ToList();
}
}
private void CalculateParticleCost(SimulationStructure structure, int step)
{
const double movementCost = 1.1454431510266E-007;
const double chargeDepositionCost = 0.000000182;
const double noReduction = movementCost + chargeDepositionCost;
//Console.Out.WriteLine(noReduction);
var sumCost = noReduction * particleReductionFactor;
foreach (var core in structure.CoreGrid.GetCores())
{
storage.AddCost(particleCost, core, step, core.Sections.Sum(o => o.Particles.Count() * sumCost));
}
}
public void AddCost(IParticleSection section, IParticleSection otherSection, int nBParticles,
SimulationStructure structure, int step)
{
var core1 = section.Core;
var core2 = otherSection.Core;
if (core1 == core2)
{
return;
}
storage.AddCost(sendingCost, core1, step, nBParticles * particleReductionFactor * SendCost);
storage.AddCost(receivingCost, core2, step, nBParticles * particleReductionFactor * ReceiveCost);
}
public void MoveParticles(SimulationStructure structure, float step, int simStep)
{
for (int i = 0; i < Particles.GetLength(0); i++)
{
for (int j = 0; j < Particles.GetLength(1); j++)
{
for (int k = 0; k < Particles.GetLength(2); k++)
{
throw new NotImplementedException();
}
}
}
}
public void DrawVisualization(SimulationStructure structure, Image <Rgb, byte> image)
{
for (var i = 0; i < image.Size.Height; i++)
{
var w = ((int)(((double)i) / ((double)image.Size.Height) * image.Size.Width));
if (w == image.Size.Width)
{
w--;
}
var wComp = image.Size.Width - 1 - w;
image[i, w] = new Rgb(Color.Red);
image[i, wComp] = new Rgb(Color.Red);
}
}
public void CalculateField(SimulationStructure structure, int step)
{
foreach (var core in structure.CoreGrid.GetCores())
{
foreach (var section in core.Sections)
{
foreach (var particle in section.Particles)
{
comCostCalculator.AddParticleCost(core, section.GetContainingParticle(particle.Position).Core, particle, step);
}
}
constSolveCostCalculator.AddCostForCore(core, step);
}
comCostCalculator.FlushCommunicationCosts(step);
}
public void VisualizeStep(SimulationStructure structure, int step)
{
if (!Directory.Exists(outputPath))
{
Directory.CreateDirectory(outputPath);
}
var image = new Image <Rgb, byte>(width, height);
foreach (var subVisualizer in Visualizers)
{
subVisualizer.DrawVisualization(structure, image);
}
var bitmap = image.ToBitmap();
bitmap.Save(outputPath + step + ".jpg");
VisualizeMatrixStep(structure, step);
}
public void Sort(SimulationStructure simulationStructure, int step)
{
if (!initialCalculated)
{
for (int i = 0; i < 10; i++)
{
sectionPositionUpdater.UpdateSectionPositions(simulationStructure);
}
System.Console.Out.WriteLine("Updated K Means");
initialCalculated = true;
}
neighbourPositionGetter.GetOldPositionsNeighbours(simulationStructure);
neighbourSizeGetter.GetOldSizesNeighbours(simulationStructure);
sectionPositionUpdater.UpdateSectionPositions(simulationStructure);
transmissionPreparer.PutParticlesForTransmission(simulationStructure);
particleTransmitter.TransmitParticles(simulationStructure, step);
}
public void Sort(SimulationStructure simulationStructure, int step)
{
bool shown = false;
foreach (IParticleSection particleSection in simulationStructure.GetAllSections())
{
SingleSectionSort((ParticleSection)particleSection);
if (!shown)
{
foreach (var s in ((ParticleSection)particleSection).elementsPerSide)
{
Console.Out.WriteLine(s);
}
shown = true;
}
}
sideSorterTransmitter.TransmitParticles(simulationStructure, step);
}
public void MoveParticles(SimulationStructure structure, float step, int simStep)
{
var f = ((float)Math.Sin((float)simStep / 400));
foreach (var allSection in structure.GetAllSections())
{
allSection.ApplyToAllParticles(particle =>
{
particle.Velocity = new Vector3((particle.Velocity.X + f / 5) * 0.5f, 0,
0);
particle.Position += particle.Velocity * step;
bouncer.BounceParticle(ref particle);
return(particle);
});
}
costCalculator.CalculateTotalCost(structure, simStep);
}
private void drawParticles(SimulationStructure structure, Image <Rgb, byte> image)
{
var sections = structure.CoreGrid.GetCores().SelectMany(o => o.Sections);
foreach (var sec in sections)
{
var color = GetColorOf(sec, structure);
foreach (var particle in sec.Particles)
{
var coord = getPictureCoordinatesFor(particle.Position.X, particle.Position.Z, structure);
try
{
image[coord.Item2, coord.Item1] = color;
}
catch (Exception)
{
}
}
}
}
private void SwapZBorderSection(MatrixSortParticleSection lower, MatrixSortParticleSection upper, int step,
SimulationStructure structure)
{
for (int i = 0; i < lower.ParticlesMatrix.GetLength(0); i++)
{
for (int j = 0; j < lower.ParticlesMatrix.GetLength(1); j++)
{
Particle particle1 = upper.ParticlesMatrix[i, j, 0];
Particle particle2 = lower.ParticlesMatrix[i, j, lower.ParticlesMatrix.GetLength(2) - 1];
if (particle2.Position.Z <= particle1.Position.Z)
{
continue;
}
lower.ParticlesMatrix[i, j, lower.ParticlesMatrix.GetLength(2) - 1] = particle1;
upper.ParticlesMatrix[i, j, 0] = particle2;
}
}
costCalculator.AddTransmissionCost(lower, upper,
lower.ParticlesMatrix.GetLength(2) * lower.ParticlesMatrix.GetLength(1), structure, step);
}
private void SwapXBorderSection(MatrixSortParticleSection lower, MatrixSortParticleSection upper, int step,
SimulationStructure structure)
{
for (int i = 1; i < lower.ParticlesMatrix.GetLength(1); i++)
{
for (int j = 1; j < lower.ParticlesMatrix.GetLength(2); j++)
{
Particle particle1 = lower.ParticlesMatrix[lower.ParticlesMatrix.GetLength(0) - 1, i, j];
Particle particle2 = upper.ParticlesMatrix[0, i, j];
if (particle1.Position.X <= particle2.Position.X)
{
continue;
}
lower.ParticlesMatrix[lower.ParticlesMatrix.GetLength(0) - 1, i, j] = particle2;
upper.ParticlesMatrix[0, i, j] = particle1;
}
}
costCalculator.AddTransmissionCost(lower, upper,
lower.ParticlesMatrix.GetLength(2) * lower.ParticlesMatrix.GetLength(1), structure, step);
}
