XBT_PRIVATE void TRACE_smpi_computing_init(int rank);
XBT_PRIVATE void TRACE_smpi_computing_out(int rank);
XBT_PRIVATE void TRACE_smpi_computing_in(int rank, double amount);
XBT_PRIVATE void TRACE_smpi_computing_init(int rank);
XBT_PRIVATE void TRACE_smpi_computing_out(int rank);
XBT_PRIVATE void TRACE_smpi_computing_in(int rank, double amount);