Paper Details

%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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