Directory          Examples
-------------------------------------
test_spmd/         main SPMD functions
test_rmpi/         comparison to Rmpi
test_parallel/     comparison to parallel
test_performance/  performance testing
test_s4/           S4 extension
test_cs/           client/server examples
test_long_vector/  long vectors examples (#define DMPI_LONG_DEBUG 1)
test_send_recv/    new send/recv function with check.type
-------------------------------------

ps. "test_long_vector/" needs to recompile with setting

#define MPI_LONG_DEBUG 1

in "pbdMPI/src/pkg_constant.h".
