2HOT: an improved parallel hashed oct-tree n-body algorithm for cosmological simulation.
Michael S. WarrenPublished in: SC (2013)
Keyphrases
- computational complexity
- parallel implementation
- optimization algorithm
- preprocessing
- experimental evaluation
- detection algorithm
- objective function
- computational cost
- binary tree
- times faster
- minimum spanning tree
- optimal solution
- similarity measure
- decision trees
- recognition algorithm
- parallel processing
- convergence rate
- learning algorithm
- expectation maximization
- high accuracy
- np hard
- search space
- particle swarm optimization
- theoretical analysis
- linear programming
- mathematical model
- probabilistic model
- dynamic programming
- cost function
- k means
- classification trees
- neural network
- depth first search