Memory binding for performance optimization of control-flow intensive behaviors

Kamal S. Khouri, Ganesh Lakshminarayana, Niraj K. Jha

Research output: Contribution to journalConference articlepeer-review

11 Scopus citations


This paper presents a memory binding algorithm for behaviors that are characterized by the presence of conditionals and deeply-nested loops that access memory extensively through arrays. Unlike previous works, this algorithm examines the effects of branch probabilities and allocation constraints. First, we demonstrate, through examples, the importance of incorporating branch probabilities and allocation constraint information when searching for a performance-efficient memory binding. We also show the interdependence of these two factors and how varying one without considering the other may greatly affect the performance of the behavior. Second, we introduce a memory binding algorithm that has the ability to examine numerous bindings by employing an efficient performance estimation procedure. The estimation procedure exploits locality of execution, which is an inherent characteristic of target behaviors. This enables the performance estimation technique to look at the global impact of the different bindings, given the allocation constraints. We tested our algorithm using a number of benchmarks from the parallel computing domain. A series of experiments demonstrates the algorithm's ability to produce bindings that optimize performance, meet memory allocation constraints, and adapt to different resource constraints and branch probabilities. Results show that the algorithm requires 37% fewer memories with a performance loss of only 0.3% when compared to a parallel memory architecture. When compared to the best of a series of random memory bindings, the algorithm improves schedule performance by 21%.

Original languageEnglish (US)
Pages (from-to)482-488
Number of pages7
JournalIEEE/ACM International Conference on Computer-Aided Design, Digest of Technical Papers
StatePublished - 1999
EventProceedings of the 1999 IEEE/ACM International Conference on Computer-Aided Design (ICCAD-99) - San Jose, CA, USA
Duration: Nov 7 1999Nov 11 1999

All Science Journal Classification (ASJC) codes

  • Software
  • Computer Science Applications
  • Computer Graphics and Computer-Aided Design


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