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A Measurement Study of the Linux TCP/IP Stack Performance and Scalability on SMP systems*
 

Summary: A Measurement Study of the Linux TCP/IP Stack Performance and
Scalability on SMP systems*
Shourya P. Bhattacharya
Kanwal Rekhi School of Information Technology
Indian Institute of Technology, Bombay
Email: shourya@it.iitb.ac.in
Varsha Apte
Computer Science and Engineering Department
Indian Institute of Technology, Bombay
Email: varsha@cse.iitb.ac.in
Abstract-- The performance of the protocol stack
implementation of an operating system can greatly
impact the performance of networked applications
that run on it. In this paper, we present a thorough
measurement study and comparison of the network
stack performance of the two popular Linux kernels:
2.4 and 2.6, with a special focus on their performance
on SMP architectures. Our findings reveal that inter-
rupt processing costs, device driver overheads, check-
summing and buffer copying are dominant overheads

  

Source: Apte, Varsha - Department of Computer Science and Engineering, Indian Institute of Technology Bombay

 

Collections: Computer Technologies and Information Sciences