Programming Environment


  • Linux (SLES9)cross-compilation environment
    • User accesses system through frontend nodes for compilation, job submission, debugging

  • Space sharing
    • One parallel job per BGL partition,
      one process per processor of the compute node

  • SPMD model
    • All compute nodes run the same executable

  • XL Fortran , XL C/C++ , and MPI message passing
    • Virtual memory limited to physical memory
    • Libraries statically linked, some syscall limitations

last change 02.08.2005 | Ulrike Schmidt | Print