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Power-Performance Efficiency of Asymmetric Multiprocessors for Multi-threaded Scientific Applications
 

Summary: Power-Performance Efficiency of Asymmetric Multiprocessors
for Multi-threaded Scientific Applications
Ryan E. Grant Ahmad Afsahi
Department of Electrical and Computer Engineering
Queen's University
Kingston, ON, Canada K7L 3N6
ryan.grant@ece.queensu.ca ahmad.afsahi@queensu.ca
Abstract
Recently, under a fixed power budget, asymmetric
multiprocessors (AMP) have been proposed to improve the
performance of multi-threaded applications compared to
symmetric multiprocessors. An AMP is a multiprocessor
system in which its processors are not operating at the
same frequency.
Power consumption has become an important design
constraint in servers and high-performance server
clusters. This paper explores the power-performance
efficiency of Hyper-Threaded (HT) AMP servers, and
proposes a new scheduling algorithm that can be used to
reduce the overall power consumption of a server while

  

Source: Afsahi, Ahmad - Department of Electrical and Computer Engineering, Queen's University (Kingston)

 

Collections: Computer Technologies and Information Sciences