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Thèse de doctorat: Algorithmes de classification répartis sur le cloud

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tel-00744768, version 1 - 23 Oct 2012<br />

xii CONTENTS<br />

7 A <strong>cloud</strong> imp<strong>le</strong>mentation of distributed asynchronous vector quantization<br />

algorithms 141<br />

7.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141<br />

7.2 The imp<strong>le</strong>mentation of <strong>cloud</strong> DAVQ algorithm . . . . . . . . . . 143<br />

7.2.1 Design of the algorithm . . . . . . . . . . . . . . . . . . 143<br />

7.2.2 Design of the evaluation process . . . . . . . . . . . . . 146<br />

7.3 Scalability of our <strong>cloud</strong> DAVQ algorithm . . . . . . . . . . . . . 148<br />

7.3.1 Speedup with a 1-layer Reduce . . . . . . . . . . . . . . 148<br />

7.3.2 Speedup with a 2-layer Reduce . . . . . . . . . . . . . . 149<br />

7.3.3 Scalability . . . . . . . . . . . . . . . . . . . . . . . . . 150<br />

7.4 Competition with Batch K-Means . . . . . . . . . . . . . . . . 152<br />

Conclusion 157<br />

De l’utilisation du PaaS comme plateforme <strong>de</strong> calcul intensif . . . . . 157<br />

Constat technique . . . . . . . . . . . . . . . . . . . . . . . . . 157<br />

Constat économique . . . . . . . . . . . . . . . . . . . . . . . . 159<br />

Implémentation d’algorithmes <strong>de</strong> clustering <strong>répartis</strong> . . . . . . . . . . 161<br />

Cloud Batch K-Means . . . . . . . . . . . . . . . . . . . . . . . 161<br />

Cloud DAVQ . . . . . . . . . . . . . . . . . . . . . . . . . . . 162<br />

Perspectives 165<br />

List of Figures 167<br />

List of Tab<strong>le</strong>s 171<br />

Bibliography 173

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