\select@language {french}\r
-\select@language {french}\r
-\contentsline {subsection}{\numberline {0.0.1}Partitionnement du probl\`eme}{7}\r
-\contentsline {subsection}{\numberline {0.0.2}Modes d'ex\'ecution synchrone et asynchrone}{8}\r
-\contentsline {subsection}{\numberline {0.0.3}Algorithme de Jacobi}{9}\r
-\contentsline {subsection}{\numberline {0.0.4}M\'ethode de r\'esolution GMRES}{9}\r
-\contentsline {subsection}{\numberline {0.0.5}Solveur multisplitting}{9}\r
-\contentsline {subsection}{\numberline {0.0.6}MPI - Message Passing Interface}{10}\r
-\contentsline {subsection}{\numberline {0.0.7}Simulateur SIMGRID}{10}\r
-\contentsline {subsection}{\numberline {0.0.8}Performance de l'application parall\`ele et scalabilit\'e}{11}\r
-\contentsline {subsection}{\numberline {0.0.9}Taux d'erreur lors de la pr\'ediction}{13}\r
-\contentsline {subsection}{\numberline {0.0.10}Weak contre strong scaling}{13}\r
-\contentsline {subsubsection}{\numberline {0.0.10.1}Facteur architecture des processeurs}{16}\r
-\contentsline {subsubsection}{\numberline {0.0.10.2}Facteur : M\'emoire et stockage}{18}\r
-\contentsline {subsubsection}{\numberline {0.0.10.3}Facteur : R\'eseaux de communication}{21}\r
-\contentsline {subsection}{\numberline {0.0.11}Facteurs li\'es au code de l'application}{22}\r
-\contentsline {subsubsection}{\numberline {0.0.11.1}Facteur : Taille du probl\`eme}{22}\r
-\contentsline {subsubsection}{\numberline {0.0.11.2}Performance de la parall\'elisation}{22}\r
+\contentsline {part}{I\hspace {1em}PARTIE I: Contexte scientifique et revue de l'\IeC {\'e}tat de l'art}{3}{part.1}\r
+\contentsline {chapter}{\numberline {1}Cadre de travail et contexte scientifique}{5}{chapter.1}\r
+\contentsline {section}{\numberline {1.1}Classe des algorithmes it\IeC {\'e}ratifs parall\IeC {\`e}les \IeC {\`a} large \IeC {\'e}chelle dans une grille de calcul}{5}{section.1.1}\r
+\contentsline {subsection}{\numberline {1.1.1}Partitionnement du probl\IeC {\`e}me}{6}{subsection.1.1.1}\r
+\contentsline {subsection}{\numberline {1.1.2}Modes d'ex\IeC {\'e}cution synchrone et asynchrone}{7}{subsection.1.1.2}\r
+\contentsline {section}{\numberline {1.2}M\IeC {\'e}thodes de r\IeC {\'e}solution parall\IeC {\`e}les du probl\IeC {\`e}me de Poisson et de l'algorithme two-stage multisplitting de Krylov}{9}{section.1.2}\r
+\contentsline {subsection}{\numberline {1.2.1}Algorithme de Jacobi}{9}{subsection.1.2.1}\r
+\contentsline {subsection}{\numberline {1.2.2}M\IeC {\'e}thode de r\IeC {\'e}solution GMRES}{10}{subsection.1.2.2}\r
+\contentsline {subsection}{\numberline {1.2.3}Solveur multisplitting}{11}{subsection.1.2.3}\r
+\contentsline {section}{\numberline {1.3}Simulateurs d'ex\IeC {\'e}cution d'algorithmes parall\IeC {\`e}les MPI dans une grille de calcul}{11}{section.1.3}\r
+\contentsline {subsection}{\numberline {1.3.1}Calcul sur grille}{11}{subsection.1.3.1}\r
+\contentsline {subsection}{\numberline {1.3.2}G\IeC {\'e}n\IeC {\'e}ralit\IeC {\'e}s sur la simulation}{13}{subsection.1.3.2}\r
+\contentsline {subsection}{\numberline {1.3.3}MPI - Message Passing Interface}{15}{subsection.1.3.3}\r
+\contentsline {subsection}{\numberline {1.3.4}Simulateur SIMGRID - SMPI}{17}{subsection.1.3.4}\r
+\contentsline {section}{\numberline {1.4}Conclusion partielle}{19}{section.1.4}\r
+\contentsline {chapter}{\numberline {2}Etat de l'art et travaux de recherche associ\IeC {\'e}s}{21}{chapter.2}\r
+\contentsline {section}{\numberline {2.1}Concepts et d\IeC {\'e}finitions}{21}{section.2.1}\r
+\contentsline {subsection}{\numberline {2.1.1}Performance de l'application parall\IeC {\`e}le et scalabilit\IeC {\'e}}{21}{subsection.2.1.1}\r
+\contentsline {subsection}{\numberline {2.1.2}Taux d'erreur lors de la pr\IeC {\'e}diction}{23}{subsection.2.1.2}\r
+\contentsline {subsection}{\numberline {2.1.3}Weak contre strong scaling}{23}{subsection.2.1.3}\r
+\contentsline {section}{\numberline {2.2}Probl\IeC {\'e}matique sur la pr\IeC {\'e}diction \IeC {\`a} large \IeC {\'e}chelle de la performance des applications}{24}{section.2.2}\r
+\contentsline {subsection}{\numberline {2.2.1}Facteurs li\IeC {\'e}s \IeC {\`a} l'\IeC {\'e}cosyst\IeC {\`e}me}{25}{subsection.2.2.1}\r
+\contentsline {subsubsection}{\numberline {2.2.1.1}Facteur architecture des processeurs}{26}{subsubsection.2.2.1.1}\r
+\contentsline {subsubsection}{\numberline {2.2.1.2}Facteur : M\IeC {\'e}moire et stockage}{28}{subsubsection.2.2.1.2}\r
+\contentsline {subsubsection}{\numberline {2.2.1.3}Facteur : R\IeC {\'e}seaux de communication}{32}{subsubsection.2.2.1.3}\r
+\contentsline {subsection}{\numberline {2.2.2}Facteurs li\IeC {\'e}s au code de l'application}{32}{subsection.2.2.2}\r
+\contentsline {subsubsection}{\numberline {2.2.2.1}Facteur : Taille du probl\IeC {\`e}me}{33}{subsubsection.2.2.2.1}\r
+\contentsline {subsubsection}{\numberline {2.2.2.2}Performance de la parall\IeC {\'e}lisation}{33}{subsubsection.2.2.2.2}\r
+\contentsline {section}{\numberline {2.3}Techniques d'analyse de performance des applications parall\IeC {\`e}les}{36}{section.2.3}\r
+\contentsline {subsection}{\numberline {2.3.1}G\IeC {\'e}n\IeC {\'e}ralit\IeC {\'e}s et objectifs}{36}{subsection.2.3.1}\r
+\contentsline {subsection}{\numberline {2.3.2}Approches et m\IeC {\'e}thodologie}{36}{subsection.2.3.2}\r
+\contentsline {subsection}{\numberline {2.3.3}Quelques outils d'analyse de performance}{38}{subsection.2.3.3}\r
+\contentsline {section}{\numberline {2.4}M\IeC {\'e}thodes de pr\IeC {\'e}diction de la performance des applications parall\IeC {\`e}les}{39}{section.2.4}\r
+\contentsline {section}{\numberline {2.5}Conclusion partielle}{39}{section.2.5}\r
+\contentsline {chapter}{\numberline {3}Motivations}{41}{chapter.3}\r
+\contentsline {part}{II\hspace {1em}PARTIE II - Travaux de contributions, r\IeC {\'e}sultats et perspectives}{43}{part.2}\r
+\contentsline {chapter}{\numberline {4}Comparaison par simulation \IeC {\`a} large \IeC {\'e}chelle de la performance de deux algorithmes it\IeC {\'e}ratifs parall\IeC {\`e}les en mode asynchrone}{45}{chapter.4}\r
+\contentsline {section}{\numberline {4.1}Protocoles et exp\IeC {\'e}rimentations}{45}{section.4.1}\r
+\contentsline {section}{\numberline {4.2}R\IeC {\'e}sultats}{45}{section.4.2}\r
+\contentsline {section}{\numberline {4.3}Conclusion partielle}{45}{section.4.3}\r
+\contentsline {chapter}{\numberline {5}Simulation avec SIMGRID de l\textquoteright ex\IeC {\'e}cution des solveurs lin\IeC {\'e}aires en mode synchrone et asynchrone sur un environnement multi-coeurs simul\IeC {\'e}s}{47}{chapter.5}\r
+\contentsline {section}{\numberline {5.1}Protocoles et exp\IeC {\'e}rimentations}{47}{section.5.1}\r
+\contentsline {section}{\numberline {5.2}R\IeC {\'e}sultats}{47}{section.5.2}\r
+\contentsline {section}{\numberline {5.3}Conclusion partielle}{47}{section.5.3}\r
+\contentsline {chapter}{\numberline {6}Mod\IeC {\`e}le de pr\IeC {\'e}diction de la performance \IeC {\`a} large \IeC {\'e}chelle d'un algorithme it\IeC {\'e}ratif parall\IeC {\`e}le}{49}{chapter.6}\r
+\contentsline {section}{\numberline {6.1}Approche et m\IeC {\'e}thodologie}{49}{section.6.1}\r
+\contentsline {section}{\numberline {6.2}Exp\IeC {\'e}rimentations et r\IeC {\'e}sultats}{49}{section.6.2}\r
+\contentsline {section}{\numberline {6.3}Conclusion partielle}{49}{section.6.3}\r
+\contentsline {chapter}{\numberline {7}Conclusion g\IeC {\'e}n\IeC {\'e}rale et perspectives}{51}{chapter.7}\r
+\contentsline {section}{\numberline {7.1}Conclusion g\IeC {\'e}n\IeC {\'e}rale}{51}{section.7.1}\r
+\contentsline {section}{\numberline {7.2}Travaux futurs et perspectives}{51}{section.7.2}\r
+\contentsline {part}{III\hspace {1em}Annexes}{65}{part.3}\r
+\contentsline {chapter}{\numberline {A}Premier chapitre des annexes}{67}{appendix.A}\r
+\contentsline {chapter}{\numberline {B}Second chapitre des annexes}{69}{appendix.B}\r
