Design and implementation of a Parallel Pthread Library (PPL) with parallelism and portability

Chikara Sakamoto, Teruki Miyazaki, Masayuki Kuwayama, Keizo Saisho, Akira Fukuda

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


Although multi thread libraries have been implemented to provide threads - a unit of concurrent/parallel execution - at user level, there is no thread library that provides both parallelism and portability. We designed and implemented the PPL (Parallel Pthread Library) with the following two requirements in mind: (1) It should permit parallel execution according to the system, and (2) it should provide a common thread environment for many operating systems and be highly portable. We employed a multi-routine approach to realize parallelism, separating the internal structure of PPL into two parts to expedite portability: namely, a virtual processor dependent module and a virtual processor-independent module. We implemented PPL in several systems and compared its performance with other user-level threads. Furthermore, we evaluated parallelism in multi-processor systems. The results show that PPL has sufficient portability and parallelism.

Original languageEnglish
Pages (from-to)28-35
Number of pages8
JournalSystems and Computers in Japan
Issue number2
Publication statusPublished - Feb 1998

All Science Journal Classification (ASJC) codes

  • Theoretical Computer Science
  • Information Systems
  • Hardware and Architecture
  • Computational Theory and Mathematics


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