* \param host_count number of hosts on which the task would be executed
* \param host_list the hosts on which the task would be executed
* \param flops_amount computation amount for each host(i.e., an array of host_count doubles)
* \param bytes_amount communication amount between each pair of hosts (i.e., a matrix of host_count*host_count doubles)
* \see SD_schedule()
*/
* \param host_count number of hosts on which the task would be executed
* \param host_list the hosts on which the task would be executed
* \param flops_amount computation amount for each host(i.e., an array of host_count doubles)
* \param bytes_amount communication amount between each pair of hosts (i.e., a matrix of host_count*host_count doubles)
* \see SD_schedule()
*/