/** If present, communications from this node to this node will pass through it
* instead of passing by an upper level switch.
*/
- resource::LinkImpl* loopback;
- FatTreeNode(const ClusterCreationArgs* cluster, int id, int level, int position);
+ resource::LinkImpl* loopback_;
+ FatTreeNode(int id, int level, int position, resource::LinkImpl* limiter, resource::LinkImpl* loopback)
+ : id(id), level(level), position(position), limiter_link_(limiter), loopback_(loopback)
+ {
+ }
};
/** @brief Link in a fat tree (@ref FatTreeZone).
*/
class FatTreeLink {
public:
- FatTreeLink(const ClusterCreationArgs* cluster, FatTreeNode* source, FatTreeNode* destination);
- /** Link going up in the tree */
- resource::LinkImpl* up_link_;
- /** Link going down in the tree */
- resource::LinkImpl* down_link_;
+ FatTreeLink(FatTreeNode* src, FatTreeNode* dst, resource::LinkImpl* linkup, resource::LinkImpl* linkdown)
+ : up_node_(dst), down_node_(src), up_link_(linkup), down_link_(linkdown)
+ {
+ }
/** Upper end of the link */
FatTreeNode* up_node_;
/** Lower end of the link */
FatTreeNode* down_node_;
+ /** Link going up in the tree */
+ resource::LinkImpl* up_link_;
+ /** Link going down in the tree */
+ resource::LinkImpl* down_link_;
};
/** @ingroup ROUTING_API
std::vector<FatTreeLink*> links_;
std::vector<unsigned int> nodes_by_level_;
- ClusterCreationArgs* cluster_ = nullptr;
+ s4u::Link::SharingPolicy link_sharing_policy_; //!< fat tree links: sharing policy
+ double link_bw_; //!< fat tree links: bandwidth
+ double link_lat_; //!< fat tree links: latency
void add_link(FatTreeNode* parent, unsigned int parent_port, FatTreeNode* child, unsigned int child_port);
int get_level_position(const unsigned int level);
~FatTreeZone() override;
void get_local_route(NetPoint* src, NetPoint* dst, RouteCreationArgs* into, double* latency) override;
- /** @brief Read the parameters in topo_parameters field.
- *
- * It will also store the cluster for future use.
- */
+ /** @brief Read the parameters in topo_parameters field. */
void parse_specific_arguments(ClusterCreationArgs* cluster) override;
- void add_processing_node(int id);
+ /** @brief Checks topology parameters */
+ static void check_topology(unsigned int n_levels, const std::vector<unsigned int>& down_links,
+ const std::vector<unsigned int>& up_links, const std::vector<unsigned int>& link_count);
+ /** @brief Set FatTree topology */
+ void set_topology(unsigned int n_levels, const std::vector<unsigned int>& down_links,
+ const std::vector<unsigned int>& up_links, const std::vector<unsigned int>& link_count);
+ /** @brief Set the characteristics of links inside the Fat Tree zone */
+ void set_link_characteristics(double bw, double lat, s4u::Link::SharingPolicy sharing_policy);
+ void add_processing_node(int id, resource::LinkImpl* limiter, resource::LinkImpl* loopback);
void generate_dot_file(const std::string& filename = "fat_tree.dot") const;
};
} // namespace routing