Reducing communication in algebraic multigrid with multi-step node aware communication

Keyphrases

• Algebraic multigrid 100%
• Message Passing Interface 40%
• Parallel Scalability 40%
• Internode 40%
• Parallel Implementation 20%
• Multigrid 20%
• Performance Test 20%
• Strong Scaling 20%
• Inter-node Communication 20%
• Communication Cost 20%
• Inter-process Communication 20%
• Sparse Linear Systems 20%
• Communication Scheduling 20%
• Weak Scaling 20%
• Iterative Solves 20%

Computer Science

• Message Passing Interface 100%
• Parallel Implementation 50%
• Linear Systems 50%
• Interprocess Communication 50%
• Performance Test 50%

Engineering

• Nodes 100%
• Multigrid 100%
• Performance Test 16%
• Receive Process 16%
• Centric Communication 16%