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This document discusses optimizations for TCP/IP networking performance on multicore systems. It describes several inefficiencies in the Linux kernel TCP/IP stack related to shared resources between cores, broken data locality, and per-packet processing overhead. It then introduces mTCP, a user-level TCP/IP stack that addresses these issues through a thread model with pairwise threading, batch pac
- Hardware such as DRAM and NAND flash are facing scaling challenges as density increases, which could impact performance and cost. New non-volatile memory (NVM) technologies may provide opportunities to address these challenges but require software and system architecture changes to realize their full potential. Key considerations include persistence, performance, and programming models.Read less
Ryousei TakanoGroup Leader at National Institute of Advanced Industrial Science and Technology (AIST)
Rob Pike discusses Plan 9, an operating system developed at Bell Labs as the successor to UNIX. Some key points of Plan 9 include its use of /proc instead of /dev for I/O, its distributed file system design with everything treated as a file, and its emphasis on concurrency through lightweight processes and message passing. Plan 9 aims to improve on UNIX with a more unified and simplified design.Re
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