-/* Copyright (c) 2014. The SimGrid Team.
+/* Copyright (c) 2014-2022. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
#ifndef SURF_NETWORK_IB_HPP_
#define SURF_NETWORK_IB_HPP_
-class NetworkIBModel : public NetworkModel {
-private:
-public:
- NetworkIBModel();
- NetworkIBModel(const char *name);
- ~NetworkModel();
- virtual ActionPtr communicate(RoutingEdgePtr src, RoutingEdgePtr dst,
- double size, double rate);
- virtual NetworkLinkPtr createNetworkLink(const char *name,
- double bw_initial,
- tmgr_trace_t bw_trace,
- double lat_initial,
- tmgr_trace_t lat_trace,
- e_surf_resource_state_t state_initial,
- tmgr_trace_t state_trace,
- e_surf_link_sharing_policy_t policy,
- xbt_dict_t properties);
+#include "src/surf/network_smpi.hpp"
+#include "xbt/base.h"
+
+#include <map>
+#include <vector>
+
+namespace simgrid::kernel::resource {
+
+class XBT_PRIVATE IBNode;
+
+struct XBT_PRIVATE ActiveComm {
+ IBNode* destination = nullptr;
+ NetworkAction* action = nullptr;
+ double init_rate = -1;
};
-class NetworkIBLink : public NetworkLink {
-private:
+class IBNode {
public:
- NetworkIBLink(NetworkModelPtr model, const char *name, xbt_dict_t props);
- NetworkIBLink(NetworkModelPtr model, const char *name, xbt_dict_t props,
- lmm_constraint_t constraint,
- tmgr_history_t history,
- tmgr_trace_t state_trace);
- ~NetworkIBLink();
- virtual void updateLatency(double value, double date=surf_get_clock());
- virtual void updateBandwidth(double value, double date=surf_get_clock());
+ int id_;
+ // store related links, to ease computation of the penalties
+ std::vector<ActiveComm*> active_comms_up_;
+ // store the number of comms received from each node
+ std::map<IBNode*, int> active_comms_down_;
+ // number of comms the node is receiving
+ int nb_active_comms_down_ = 0;
+ explicit IBNode(int id) : id_(id){};
+};
+
+class XBT_PRIVATE NetworkIBModel : public NetworkSmpiModel {
+ std::unordered_map<std::string, IBNode> active_nodes;
+ std::unordered_map<NetworkAction*, std::pair<IBNode*, IBNode*>> active_comms;
+ double Bs_;
+ double Be_;
+ double ys_;
+ void update_IB_factors_rec(IBNode* root, std::vector<bool>& updatedlist) const;
+ void compute_IB_factors(IBNode* root) const;
+
+public:
+ explicit NetworkIBModel(const std::string& name);
+ NetworkIBModel(const NetworkIBModel&) = delete;
+ NetworkIBModel& operator=(const NetworkIBModel&) = delete;
+ void update_IB_factors(NetworkAction* action, IBNode* from, IBNode* to, int remove) const;
+ static void IB_create_host_callback(s4u::Host const& host);
+ static void IB_action_state_changed_callback(NetworkAction& action, Action::State /*previous*/);
+ static void IB_comm_start_callback(const activity::CommImpl& comm);
};
+} // namespace simgrid::kernel::resource
#endif
