Improving Application Performance through Swap Compression

R. Cervera    T. Cortes    Y. Becerra
Departament d'Arquitectura de Computadors
Universitat Politècnica de Catalunya - Barcelona
http://www.ac.upc.es/hpc
{rcervera,toni,yolandab}@ac.upc.es

• 1 Introduction
• 2 General Ideas & Frist Results
  • 2.1 Caching
  • 2.2 Compressing Cached Pages
  • 2.3 Batching Multiple Pages Together
  • 2.4 Read/Write Path
• 3 Prototype Description
  • 3.1 Data Structures
  • 3.2 Getting Free Space (get_swap_page)
  • 3.3 Freeing a Page (swap_free)
  • 3.4 Swapping Out (rw_swap_page)
  • 3.5 Swapping In (rw_swap_page)
  • 3.6 Driver to Modify the Parameters
• 4 Experimental Evaluation
  • 4.1 Methodology
  • 4.2 Benchmark Description
  • 4.3 Performance Results
  • 4.4 Increase of the Swap Space
• 5 Related Work
• 6 Conclusions
• References
• About this document ...