CholeskyQR2: a simple and communication-avoiding algorithm for computing a tall-skinny QR factorization on a large-scale parallel system.
Takeshi FukayaYuji NakatsukasaYuka YanagisawaYusaku YamamotoPublished in: ScalA@SC (2014)
Keyphrases
- parallel implementation
- learning algorithm
- detection algorithm
- computational complexity
- cost function
- experimental evaluation
- computational cost
- high accuracy
- dynamic programming
- probabilistic model
- multiprocessor systems
- convergence rate
- optimization algorithm
- expectation maximization
- worst case
- search space
- preprocessing
- genetic algorithm
- real world
- motion estimation
- least squares
- significant improvement
- k means
- segmentation algorithm
- feature selection
- times faster
- iterative algorithms
- neural network