Optimizing Java-Specific Overheads: Java at the Speed of C?

  • Authors:
  • Ronald Veldema;Thilo Kielmann;Henri E. Bal

  • Affiliations:
  • -;-;-

  • Venue:
  • HPCN Europe 2001 Proceedings of the 9th International Conference on High-Performance Computing and Networking
  • Year:
  • 2001

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Abstract

Manta is a highly optimizing compiler that translates Java source code to binary executables. In this paper, we discuss four Java-specific code optimizations and their impact on application performance. We assess the execution time of three application kernels, comparing Manta with the IBM JIT 1.3.0, and with C-versions of the codes, compiled with GCC. With all three kernels, Manta generates faster code than the IBM JIT. With two kernels, the Manta versions are even faster than their C counterparts.