Comparative performance evaluation of Java threads for embedded applications: Linux thread vs. Green thread

Authors:
Minyoung Sung;Soyoung Kim;Sangsoo Park;Naehyuck Chang;Heonshik Shin
Affiliations:
School of Computer Science & Engineering, Seoul National University, Seoul 151-742, Republic of Korea;School of Computer Science & Engineering, Seoul National University, Seoul 151-742, Republic of Korea;School of Computer Science & Engineering, Seoul National University, Seoul 151-742, Republic of Korea;School of Computer Science & Engineering, Seoul National University, Seoul 151-742, Republic of Korea;School of Computer Science & Engineering, Seoul National University, Seoul 151-742, Republic of Korea
Venue:
Information Processing Letters
Year:
2002

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Abstract

Despite the portability and platform independence of Java programs, their performance depends on the threading mechanisms of the host operating system. In this paper, we measure the performance of Java threads for two different multithreading implementations, Linux Thread and Green Thread, using PersonalJava (TM) on a Linux-based platform. The experimental results show the relative strengths and weaknesses of the two threading mechanisms with respect to synchronization overhead, I/O efficiency, and thread control.