/*********
* Model *
*********/
-/* Helper function for executeParallelTask */
-static inline double has_cost(const double* array, size_t pos)
-{
- if (array)
- return array[pos];
- return -1.0;
-}
-
-kernel::resource::Action* HostModel::execute_parallel(const std::vector<s4u::Host*>& host_list,
- const double* flops_amount, const double* bytes_amount,
- double rate)
-{
- kernel::resource::Action* action = nullptr;
- if ((host_list.size() == 1) && (has_cost(bytes_amount, 0) <= 0) && (has_cost(flops_amount, 0) > 0)) {
- action = host_list[0]->pimpl_cpu->execution_start(flops_amount[0]);
- } else if ((host_list.size() == 1) && (has_cost(flops_amount, 0) <= 0)) {
- action = surf_network_model->communicate(host_list[0], host_list[0], bytes_amount[0], rate);
- } else if ((host_list.size() == 2) && (has_cost(flops_amount, 0) <= 0) && (has_cost(flops_amount, 1) <= 0)) {
- int nb = 0;
- double value = 0.0;
-
- for (size_t i = 0; i < host_list.size() * host_list.size(); i++) {
- if (has_cost(bytes_amount, i) > 0.0) {
- nb++;
- value = has_cost(bytes_amount, i);
- }
- }
- if (nb == 1) {
- action = surf_network_model->communicate(host_list[0], host_list[1], value, rate);
- } else if (nb == 0) {
- xbt_die("Cannot have a communication with no flop to exchange in this model. You should consider using the "
- "ptask model");
- } else {
- xbt_die("Cannot have a communication that is not a simple point-to-point in this model. You should consider "
- "using the ptask model");
- }
- } else {
- xbt_die(
- "This model only accepts one of the following. You should consider using the ptask model for the other cases.\n"
- " - execution with one host only and no communication\n"
- " - Self-comms with one host only\n"
- " - Communications with two hosts and no computation");
- }
- return action;
-}
-
/************
* Resource *
************/
