Part I: Parallel Computer System Architectures MPP: Massively Parallel Processors G MIMD, NUMA, medium /large grain g A large number of commodity microprocessors E A custom-designed high bandwidth, low latency communication network e Physically distributed memory shared or not ) g May or may not have local disk Synchronized through blocking message-passing operations K Examples Intel Paragon, IBM SP2, Dawning-1000 E Typical Structure: MB MB P/C P/C LM LM NIC NIC Custom-designed Network NHPCC(Hefei)·USTC· CHINA glchen @ustc.ed.clNHPCC(Hefei) •USTC •CHINA glchen@ustc.edu.cn MPP:Massively Parallel Processors + MIMD, NUMA , medium/large grain . + A large number of commodity microprocessors . + A custom-designed high bandwidth , low latency communication network. + Physically distributed memory( shared or not ). + May or may not have local disk. + Synchronized through blocking message-passing operations. + Examples : Intel Paragon , IBM SP2,Dawning-1000 etc. + Typical Structure : Part I : Parallel Computer System Architectures 1 -4 P/C LM NIC Custom-designed Network P/C LM NIC MB MB