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Implementing I/OEfficient Data Structures Using TPIE Lars Arge ? , Octavian Procopiuc ?? , and Jeffrey Scott Vitter ? ? ?

Summary: Implementing I/O­Efficient Data Structures Using TPIE
Lars Arge ? , Octavian Procopiuc ?? , and Jeffrey Scott Vitter ? ? ?
Center for Geometric and Biological Computing,
Department of Computer Science, Duke University, Durham, NC 27708, USA.
Abstract. In recent years, many theoretically I/O­efficient algorithms and data
structures have been developed. The TPIE project at Duke University was started
to investigate the practical importance of these theoretical results. The goal of
this ongoing project is to provide a portable, extensible, flexible, and easy to use
C++ programming environment for efficiently implementing I/O­algorithms and
data structures. The TPIE library has been developed in two phases. The first
phase focused on supporting algorithms with a sequential I/O pattern, while the
recently developed second phase has focused on supporting on­line I/O­efficient
data structures, which exhibit a more random I/O pattern. This paper describes
the design and implementation of the second phase of TPIE.
1 Introduction
In many modern massive dataset applications I/O­communication between fast internal
memory and slow disks, rather than actual internal computation time, is the bottle­
neck in the computation. Examples of such applications can be found in a wide range
of domains such as scientific computing, geographic information systems, computer


Source: Arge, Lars - Department of Computer Science, Aarhus Universitet


Collections: Computer Technologies and Information Sciences