Il sistema di calcolo ad alte prestazioni del CINECA: evoluzione di ...

Recommendations

Info

Domain decomposition MPI implementation: - each process has to exchange ghost-cells - even if the two processes are within the same node (two <strong>di</strong>fferent processes do not share the same memory). www.cineca.it 14
Domain decomposition /1 The hybrid approach allows you to share the more cells. Each thre<strong>ad</strong> access all the cells within the node - communication decreases - the size of MPI messages increases. www.cineca.it 15
Page 1 and 2: CINECA Casalecchio di Reno (BO) www
Page 3 and 4: Parallel Architectures P P M P P SM
Page 5 and 6: Process A process is created by the
Page 7 and 8: MPI Execution Model - Single Progra
Page 9 and 10: Processors: trends Aggregate Number
Page 11 and 12: Hybrid Model Multi-node SMP (Symmet
Page 13: www.cineca.it 13
Page 17 and 18: MPI plus OpenMP Pro: Better use o
Page 19 and 20: Hybrid pseudo code call MPI_INIT (i
Page 21 and 22: Mixed paradigm www.cineca.it 21
Page 23 and 24: MPI_THREAD_SINGLE (master only) !$O
Page 25 and 26: MPI_THREAD_FUNNELED - calls outside
Page 27 and 28: MPI_THREAD_SERIALIZED • Outside t
Page 29 and 30: HPC Evolution From Herb Sutter Moor
Page 31 and 32: Real HPC Crisis is with Software A
Page 33: Some Current Unmet Needs Performanc

Il sistema di calcolo ad alte prestazioni del CINECA: evoluzione di ...

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?