Experiences

In this chapter, some experiences with the library are presented: performance, ease of use, and portability.

• Performance
  • LAPACK version
    • Addition
    • Multiplication
    • LU factorization
    • Overhead
  • ScaLAPACK version
    • Addition
    • Multiplication
    • LU factorization
    • Overhead
    • Scalability
  • MasPar version
    • Addition
    • Multiplication
    • LU factorization
    • Overhead
• Ease of use
  • A conjugated gradient routine
• Portability and extensions