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Automatic Parallelization in GCC: for Research and for Real (Keynote Talk)

Albert Cohen 1 
1 ALCHEMY - Architectures, Languages and Compilers to Harness the End of Moore Years
LRI - Laboratoire de Recherche en Informatique, UP11 - Université Paris-Sud - Paris 11, Inria Saclay - Ile de France, CNRS - Centre National de la Recherche Scientifique : UMR8623
Abstract : Portability of performance has been the underlying assumption for the vast majority of software developments. Micro-architectures and run-time systems have been designed to hide the parallelism and non-uniformity of the hardware, but with diminishing returns in performance and poor power efficiency. Despite decades of successes with optimizing compilers, the complexity of modern hardware has incrementally destroyed this dream for most developers. Every day, more programmers are forced to resort to platformspecific optimizations, committing early on specific parallel implementations. This is a dramatic regression.
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Submitted on : Tuesday, June 22, 2010 - 4:11:42 PM
Last modification on : Sunday, June 26, 2022 - 11:51:54 AM
Long-term archiving on: : Friday, September 24, 2010 - 5:52:08 PM


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  • HAL Id : inria-00494301, version 1



Albert Cohen. Automatic Parallelization in GCC: for Research and for Real (Keynote Talk). Pespma 2010 - Workshop on Parallel Execution of Sequential Programs on Multi-core Architecture, Jun 2010, Saint Malo, France. ⟨inria-00494301⟩



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