Summary: Optimization of Data Prefetch Helper Threads with
Path-Expression Based Statistical Modeling
Tor M. Aamodt
Dept. of Electrical and Computer Engineering
University of British Columbia
2332 Main Mall, Vancouver,
British Columbia, V6T 1Z4, CANADA
aamodt@ece.ubc.ca
Paul Chow
Dept. of Electrical and Computer Engineering
University of Toronto
10 King's College Road,
Toronto, Ontario, M5S 3G4, CANADA
pc@eecg.utoronto.ca
ABSTRACT
This paper investigates helper threads that improve per-
formance by prefetching data on behalf of an application's
main thread. The focus is data prefetch helper threads that
lack branch instructions and which generate prefetches for
one dynamic instance of a delinquent load instruction per

Source: Aamodt, Tor - Department of Electrical and Computer Engineering, University of British Columbia
Chow, Paul - Department of Electrical and Computer Engineering, University of Toronto

Collections: Computer Technologies and Information Sciences; Engineering