| Publisher | University of San Francisco | ||
|---|---|---|---|
| Format | 62.8KB PDF | Date added | 01 Apr 2007 |
| Topics | Linux - Open Source, Linux Server OS | ||
| Downloads | 102 | ||
Despite an increasing need for thread support in language run-time systems and parallel libraries such as in Java and OpenMP, there is limited support for custom, multiprocessor capable, user-level thread systems in the Linux kernel. To address this lack of support the authors have developed the Virtual Processor Interface (VPI) for Linux. The VPI implementation consists of a small set of kernel modifications and new system calls combined with a small user-level library that provide an interface that can be used to build thread systems. This paper describes VPI and the implementation. The authors have implemented a complete thread system using VPI, called VPIthreads, and compare its performance to that of current user-level and kernel-level thread systems.
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