Languages and Compilers for Parallel Computing: 21th by Sain-Zee Ueng, Melvin Lathara (auth.), José Nelson Amaral

By Sain-Zee Ueng, Melvin Lathara (auth.), José Nelson Amaral (eds.)

This publication constitutes the completely refereed post-conference lawsuits of the 21th foreign Workshop on Languages and Compilers for Parallel Computing, LCPC 2008, held in Edmonton, Canada, in July/August 2008.

The 18 revised complete papers and six revised brief papers provided have been rigorously reviewed and chosen from 35 submissions. The papers tackle all points of languages, compiler thoughts, run-time environments, and compiler-related functionality overview for parallel and high-performance computing and include additionally displays on software research which are precursors of excessive functionality in parallel environments.

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The reason for that is related to the differences on how deeply the loops are affected by communications. The CG-B loop 9 is dominated with irregular memory references and is the most consuming loop in the CG-B. Improvement achieved in this loop has 44 N. Vujić et al. good influence on overall execution time of the CG-B (Figure 7). The case of the ISB is different. Here the benefits are quite impressive: loop 2 improves about 15% and loop 3 improves about 40%. Loop 3 is totally dominated by irregular memory references and the introduction of the modulo scheduling transformation is what causes such improvement.

Feedback guidaed dynamic loop scheduling: Algorithms and experiments. In: European Conference on Parallel Processing, September 1998, pp. 377– 382 (1998) 13. : Optimization principles and application performance evaluation of a multithreaded GPU using CUDA. In: Proceedings of the 13th ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming (February 2008) 14. : Program optimization space pruning for a multithreaded GPU. In: Proceedings of the 2008 International Symposium on Code Generation and Optimization (April 2008) 15.

In the case of an if-else construct, this also means all statements within the side of the construct not containing S are formed into an additional thread loop. )} end if S ← Construct immediately containing S {Parent of S in the AST} end loop that there are no side entries or side exits within the thread loop body. Control flow statements such as continue, break, or return may not be handled correctly when the target of the control flow is not also within the thread loop. Figure 3(b) shows a case where irregular control flow would result in incorrect execution.

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