Experimental evaluation of energy behavior of iteration space tiling

Mahmut Kandemir, Narayanan Vijaykrishnan, Mary Jane Irwin, Hyun Suk Kim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations


Optimizing compilers have traditionally focused on enhancing the performance of a given piece of code.With the proliferation of embedded software, it is becoming important to identify the energy impact of these traditional performance-oriented optimizations and to develop new energy-aware schemes. Towards this goal, this paper explores the energy consumption behavior of one of the widely-used loop-level compiler optimizations, iteration space tiling, by varying a set of software and hardware parameters. Our results show that the choice of tile size and input size critically impacts the system energy consumption. Specifically, we find that the best tile size for the least energy consumed is different from that for the best performance. Also, tailoring tile size to the input size generates better energy results than working with a fixed tile size. Our results also reveal that tiling should be applied more or less aggressively based on whether the low power objective is to prolong the battery life or to limit the energy dissipated within a package.

Original languageEnglish (US)
Title of host publicationLanguages and Compilers for Parallel Computing - 13th International Workshop, LCPC 2000, Revised Papers
EditorsJeanne Ferrante, Samuel P. Midkiff, Jose E. Moreira, Manish Gupta, Siddhartha Chatterjee, Jan Prins, William Pugh, Chau-Wen Tseng
PublisherSpringer Verlag
Number of pages16
ISBN (Print)3540428623, 9783540455745
StatePublished - 2001
Event13th International Workshop on Languages and Compilers for Parallel Computing, LCPC 2000 - Yorktown Heights, United States
Duration: Aug 10 2000Aug 12 2000

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349


Other13th International Workshop on Languages and Compilers for Parallel Computing, LCPC 2000
Country/TerritoryUnited States
CityYorktown Heights

All Science Journal Classification (ASJC) codes

  • Theoretical Computer Science
  • General Computer Science


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