forked from OSchip/llvm-project
9c3eb5960a
Add determination of statements that contain, in particular, matrix multiplications and can be optimized with [1] to try to get close-to-peak performance. It can be enabled via polly-pm-based-opts, which is false by default. Refs: [1] - http://www.cs.utexas.edu/users/flame/pubs/TOMS-BLIS-Analytical.pdf Contributed-by: Roman Gareev <gareevroman@gmail.com> Reviewed-by: Tobias Grosser <tobias@grosser.es> Differential Revision: http://reviews.llvm.org/D20575 llvm-svn: 271128 |
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README
Polly - Polyhedral optimizations for LLVM ----------------------------------------- http://polly.llvm.org/ Polly uses a mathematical representation, the polyhedral model, to represent and transform loops and other control flow structures. Using an abstract representation it is possible to reason about transformations in a more general way and to use highly optimized linear programming libraries to figure out the optimal loop structure. These transformations can be used to do constant propagation through arrays, remove dead loop iterations, optimize loops for cache locality, optimize arrays, apply advanced automatic parallelization, drive vectorization, or they can be used to do software pipelining.