%T Cache\-Affinity Scheduling for Fine Grain Multithreading
%A Kurt Debattista, Kevin Vella, Joseph Cordina
%E James S. Pascoe, Roger J. Loader, Vaidy S. Sunderam
%B Communicating Process Architectures 2002
%X Cache utilisation is often very poor in multithreaded
applications, due to the loss of data access locality
incurred by frequent context switching. This problem is
compounded on shared memory multiprocessors when dynamic
load balancing is introduced and thread migration disrupts
cache content. In this paper, we present a technique, which
we refer to as *batching*, for reducing the negative impact
of fine grain multithreading on cache performance. Prototype
schedulers running on uniprocessors and shared memory
multiprocessors are described, and finally experimental
results which illustrate the improvements observed after
applying our techniques are presented.
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