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Einladung zum
Vortrag


24. Juli 2014, 9.00 Uhr c.t.
Universität Bremen | MZH 8090


Gerhard W. Dueck
University of New Brunswick, Canada


Region Based Garbage Collection
Garbage collection is an important process in programming languages that mange the heap automatically. Objects
that are dynamically allocated on the heap must be freed once they are no longer accessible. The metrics for
evaluating garbage collections methods vary depending on the application. Traditionally, throughput has been the
most important feature. Clearly, higher throughput leads to faster execution time of the program. However, in an
interactive program the length of the pause times, caused by the garbage collection, may be more important than
throughput. The advances in multicore processors have fuelled the development of parallel and concurrent garbage
collection algorithms. In this talk a region based memory allocation scheme, developed by IBM, is discussed. Instead
of doing global collections, only regions with high a density of dead objects are processed. Global collections are only
used as a last resort. It has been shown that under certain conditions such a scheme can reduce the global pauses
caused garbage collections.

Biografie
Gerhard Dueck was born in Montevideo, Uruguay. He received the BSc, Master, and PhD degrees in computer
science form the University of Manitoba, Winnipeg, Manitoba, Canada, in 1983, 1986, and 1988, respectively.
He is currently a professor in the Faculty of Computer Science at the University of New Brunswick. He was the
UNB coordinator for a student mobility program with the European Community jointly funded by HRSDC and
the European Community. He was instrumental in establish a Dual Master degree with BRSU. From 2008 to
2011 he was the Director of the International Relations Office at the University of New Brunswick.

Since 1999, he is with the Faculty of Computer Science at the University of New Brunswick in Fredericton, NB,
Canada. In 2006/07 he spent his sabbatical leave at the University of Bremen as a visiting scientist. He has been
actively involved in the IEEE Computer Society Technical Committee on MultipleValued Logic, where he
severed as chair in 1998 and 1999. His research interests include reversible logic, Reed Muller expansions,
multiplevalued logic, and digital design. Currently he is participating in an IBM cofunded research project
entitled: "Accelerating Java using Massive Multicore Systems" where he is project leader in several sub
projects dealing with garbage collection. Currently he is a visiting professor at BRSU.

Dieser Gast wurde von Rolf Drechsler eingeladen.
Telefon: 21863932


Region Based Garbage Collection
Region Based Garbage Collection


 



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