Opitmization of MPI Applications

Content

1. Optimization of MPI Applications
2.     Optimization and Standardization
3.     Outline
4.     Communication = Overhead
5.     Communication = Overhead — Decomposition
6.     Communication = Overhead — Different protocols, I.
7.     Communication = Overhead — Different protocols, II.
8.     Communication = Overhead — Send routines
9.     Communication = Overhead — non-blocking comm.
10.     Communication = Overhead Comparing latencies with “heat” application
11.     Communication = Overhead — Strided Data, I.
12.     Communication = Overhead — Strided Data, II.
13.     Synchronization time = idle time
14.     Synchronization time — How to avoid serialization
15.     Synchronization time — Non-blocking communication
16.     Synchronization time — Non-blocking communication
17.     Outline
18.     Point-to-point: Avoiding Deadlocks
19.     Point-to-point: Avoiding Deadlocks (continued)
20.     Buffer contention
21.     Outline
22.     Collective operations
23.     MPI – I/O
24.     Recomputation versus communication
25.     Clusters of SMP nodes
26.     Configuring MPI
27.     Statistics / Profiling
28.     Optimization / Summary
29.     Optimization Practical
30.     Optimization Practical — Background, I.
31.     Optimization Practical — Background, II.
32.     Optimization Practical — Background, III.