GOSIP 



Government Open Systems Interconnection Profile 



Grand Challenge 



A fundamental problem in science and engineering, with broad economic and scientific 

 impact, whose solution can be advanced by applying high performance computing techniques 

 and resources 



Heterogeneous system 



A distributed system that contains more than one kind of computer 



High performance computer 



At any given time, that class of general-purpose computers that are both faster than their 

 commercial competitors and have sufficient central memory to store the problem sets for 

 which they are designed. Computer memory, throughput, computational rates, and other 

 related computer capabilities contribute to performance. In addition, performance is often 

 dependent on details of algorithms and on data throughput requirements. Consequently, a 

 quantitati\e measure of computer power in large-scale scientific processing is difficult to for- 

 mulate and may change as the technology progresses. 



High performance computing 



Encompasses advanced computing, communications, and information technologies, includ- 

 ing scientific workstations, supercomputer systems, high speed networks, special purpose 

 and experimental systems, the new generation of large scale parallel systems, and systems 

 and applications software with all components well integrated and linked over a high speed 

 network 



HIPPI 



High Performance Parallel Interface 



HHS 



Department of Health and Human Services 



HPCC 



High Performance Computing and Communications 



HPCCIT 



High Performance Computing, Communications, and Information Technology Subcommittee 



HPCS 



High Performance Computing Systems, a component of the HPCC Program 



HNREN - see Interagency Internet 



HTA 



Information Infrastructure Technology and Applications, a component of the HPCC Program 



Interagency Interim NREN - see Interagency Internet 



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