Advanced Backend Optimization by Sid Touati, Benoit de Dinechin

By Sid Touati, Benoit de Dinechin

This e-book is a precis of greater than a decade of study within the sector of backend optimization. It includes the most recent primary examine ends up in this box. whereas latest books are usually extra orientated towards Masters scholars, this e-book is aimed extra in the direction of professors and researchers because it comprises extra complicated topics. it's certain within the feel that it includes details that has now not formerly been lined by means of different books within the box, with chapters on section ordering in optimizing compilation; sign up saturation in guideline point parallelism; code dimension relief for software program pipelining; reminiscence hierarchy results and guideline point parallelism. different chapters give you the most modern learn ends up in recognized issues reminiscent of check in want, and software program pipelining and periodic sign up allocation.

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A refinement of this relaxation is the basic cyclic scheduling problem (BCSP) introduced by Hanen and Munier [HAN 94], where in addition to the original uniform dependences, the operations are constrained to be non-reentrant (σik + pi ≤ σik+1 ) through additional uniform dependences. In both cases [HAN 95]: def λ ≥ λrec = max C C C θij ωij : C circuit of the dependence graph The maximum ratio λrec is reached in particular on simple circuits, the critical cycles. The discovery of the maximum ratio λrec and the identification of a critical cycle is called the optimum cost to time ratio problem, for which a number of efficient algorithms exist [DAS 99].

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