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1st HiPEAC Industrial Workshop, Grenoble : France (2006)

ASTEX: a Hot path Based Thread Extractor for Distributed Memory System on a Chip

Eric Petit 1, Guillaume Papaure 1, Florence Fdru@irisa.Fr Dru 1, François Bodin 1

(2006)

This work addresses the early exploration phase, before the hardware is available, of the design of a System on a Chip. We detect threads in C programs using a software only technique. The computed threads are used as a basis for partitioning the applications. The threads are built using profiling and hot-paths information. We use a speculative model that, contrary to previous approaches, does not assume a shared memory. The speculation is performed on control flow and data structure layout. The output of the proposed method is a set of threads characterized by their execution time, the amount of memory and communication required, etc. Preliminary results show that the approach is able to capture and to characterize the main computation kernels of embedded applications.

1 :	CAPS (INRIA - IRISA)
	CNRS : UMR6074 – INRIA – INSA Rennes – Université de Rennes 1

Équipe de recherche : CAPS

Domaine

:

Informatique/Calcul parallèle, distribué et partagé Informatique/Architecture

Mots Clés : Astex – speculative – thread – automatic parallelization – codelet – hmpp – multicore – GPU – SoC

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Contributeur : Eric Petit <>

Soumis le : Lundi 21 Septembre 2009, 15:12:30

Dernière modification le : Mardi 29 Septembre 2009, 14:36:32