communication_amounts[i * host_count + j] = 1e7; // 10 MB
sg_exec_t exec = sg_actor_parallel_exec_init(host_count, hosts, computation_amounts, communication_amounts);
communication_amounts[i * host_count + j] = 1e7; // 10 MB
sg_exec_t exec = sg_actor_parallel_exec_init(host_count, hosts, computation_amounts, communication_amounts);