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aIOLi : gestion des Entrées/Sorties Parallèles dans les grappes SMP

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(1)aIOLi : gestion des Entrées/Sorties Parallèles dans les grappes SMP Adrien Lebre, Yves Denneulin. To cite this version: Adrien Lebre, Yves Denneulin. aIOLi : gestion des Entrées/Sorties Parallèles dans les grappes SMP. [Rapport de recherche] RR-5522, INRIA. 2005, pp.13. �inria-00070484�. HAL Id: inria-00070484 https://hal.inria.fr/inria-00070484 Submitted on 19 May 2006. HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers.. L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignement et de recherche français ou étrangers, des laboratoires publics ou privés..

(2) INSTITUT NATIONAL DE RECHERCHE EN INFORMATIQUE ET EN AUTOMATIQUE. aIOLi : gestion des Entrées/Sorties Parallèles dans les grappes SMP Adrien Lebre — Yves Denneulin. N° 5522 Mars 2005. ISSN 0249-6399. ISRN INRIA/RR--5522--FR. Thème NUM. apport de recherche.

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(79) d]}wm’c”–f·xcegd`|(d`{ZO`NPN®O`aE]`›cbcaMO$[^k:”•bZ]gf•k:aaˆw)]8´zO xˆO`e_NPO(]^]gwzaE]S{“ wzNPd(”–f•k:e_O`er”–O`[oxˆO`e^©šk:e_N%wmaˆ|O`[K|(kzaM[_f–[^§ ]gO(e}wmf•]„¶³[^]_kZ|}ÍzO`e]_O`NPxˆk:egwzf•egO(NPO(aE]S”–O`[µegO`hEQb Z]gO`[µwœ—Ma‚{ZO”•O6[µ{cd(”–f•´\egO(eSO`aq]_O`aMwmaE]µ|(kzNPxZ]gO{ZO6[µ|(kzaE]_e}wmf–aE]_O`[S{ZO$]gO(NPxM[µO] {ZO”iwP|}JMwmeg‰zO {Zbq[_O(eg´zO(bMeK{cf–[^]gwza:]6›\—M‰zbMe_O$\ ). (1) Une première requête est transmise au système de fichiers. (2) Elle est exécutée sur le périphérique de stockage rattaché. (3) La réponse est renvoyée au client.. File d’attente I/O. SMP Client (3). (2). (1). File d’attente I/O. Afin de maximiser l’utilisation du sous système de stockage, il est nécessaire que la prochaine demande soit présente au sein de la file d’attente du serveur au plus tard à la fin de l’étape (2). Ainsi grâce à la taille de la dernière demande délivrée et la charge du serveur, il est possible de déterminer une fenêtre de tir pendant laquelle un ordonnancement plus efficace peut être analysé du coté client ; le tout étant de transmettre dans les temps, la prochaine demande.. Noeud serveur.  »u·O6[wz|`|L`[K´:O(e}[rbcaq[^YZ[^]_L(NPO{ZO$[^]_kZ|}͜wm‰:O„{Zfi[^]gwmaE]. PQSR*T IU. QSkm]_egO

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