1 /* Copyright (c) 2013-2021. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "src/surf/HostImpl.hpp"
21 class XBT_PRIVATE HostL07Model;
22 class XBT_PRIVATE CpuL07Model;
23 class XBT_PRIVATE NetworkL07Model;
25 class XBT_PRIVATE CpuL07;
26 class XBT_PRIVATE LinkL07;
28 class XBT_PRIVATE L07Action;
36 class HostL07Model : public HostModel {
38 explicit HostL07Model(const std::string& name);
39 HostL07Model(const HostL07Model&) = delete;
40 HostL07Model& operator=(const HostL07Model&) = delete;
42 double next_occurring_event(double now) override;
43 void update_actions_state(double now, double delta) override;
44 kernel::resource::CpuAction* execute_parallel(const std::vector<s4u::Host*>& host_list, const double* flops_amount,
45 const double* bytes_amount, double rate) override;
48 class CpuL07Model : public kernel::resource::CpuModel {
50 CpuL07Model(const std::string& name, HostL07Model* hmodel, kernel::lmm::System* sys);
51 CpuL07Model(const CpuL07Model&) = delete;
52 CpuL07Model& operator=(const CpuL07Model&) = delete;
53 ~CpuL07Model() override;
54 void update_actions_state(double /*now*/, double /*delta*/) override{
55 /* this action is done by HostL07Model which shares the LMM system with the CPU model
56 * Overriding to an empty function here allows us to handle the Cpu07Model as a regular
57 * method in surf_presolve */
60 kernel::resource::Cpu* create_cpu(s4u::Host* host, const std::vector<double>& speed_per_pstate) override;
61 HostL07Model* hostModel_;
64 class NetworkL07Model : public kernel::resource::NetworkModel {
66 NetworkL07Model(const std::string& name, HostL07Model* hmodel, kernel::lmm::System* sys);
67 NetworkL07Model(const NetworkL07Model&) = delete;
68 NetworkL07Model& operator=(const NetworkL07Model&) = delete;
69 ~NetworkL07Model() override;
70 kernel::resource::LinkImpl* create_link(const std::string& name, const std::vector<double>& bandwidths) final;
71 kernel::resource::LinkImpl* create_wifi_link(const std::string& name, const std::vector<double>& bandwidths) override;
73 kernel::resource::Action* communicate(s4u::Host* src, s4u::Host* dst, double size, double rate) override;
74 void update_actions_state(double /*now*/, double /*delta*/) override{
75 /* this action is done by HostL07Model which shares the LMM system with the CPU model
76 * Overriding to an empty function here allows us to handle the Cpu07Model as a regular
77 * method in surf_presolve */
80 HostL07Model* hostModel_;
87 class CpuL07 : public kernel::resource::Cpu {
89 using kernel::resource::Cpu::Cpu;
90 CpuL07(const CpuL07&) = delete;
91 CpuL07& operator=(const CpuL07&) = delete;
93 bool is_used() const override;
94 void apply_event(kernel::profile::Event* event, double value) override;
95 kernel::resource::CpuAction* execution_start(double size) override;
96 kernel::resource::CpuAction* execution_start(double, int) override
101 kernel::resource::CpuAction* sleep(double duration) override;
104 void on_speed_change() override;
107 class LinkL07 : public kernel::resource::LinkImpl {
109 LinkL07(const std::string& name, double bandwidth, kernel::lmm::System* system);
110 LinkL07(const LinkL07&) = delete;
111 LinkL07& operator=(const LinkL07&) = delete;
113 bool is_used() const override;
114 void apply_event(kernel::profile::Event* event, double value) override;
115 void set_bandwidth(double value) override;
116 LinkImpl* set_latency(double value) override;
122 class L07Action : public kernel::resource::CpuAction {
123 std::vector<s4u::Host*> hostList_;
124 bool free_arrays_ = false; // By default, computationAmount_ and friends are freed by caller. But not for sequential
125 // exec and regular comms
126 const double* computationAmount_; /* pointer to the data that lives in s4u action -- do not free unless if
128 const double* communicationAmount_; /* pointer to the data that lives in s4u action -- do not free unless if
133 friend CpuAction* CpuL07::execution_start(double size);
134 friend CpuAction* CpuL07::sleep(double duration);
135 friend CpuAction* HostL07Model::execute_parallel(const std::vector<s4u::Host*>& host_list, const double* flops_amount,
136 const double* bytes_amount, double rate);
137 friend Action* NetworkL07Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate);
140 L07Action() = delete;
141 L07Action(kernel::resource::Model* model, const std::vector<s4u::Host*>& host_list, const double* flops_amount,
142 const double* bytes_amount, double rate);
143 L07Action(const L07Action&) = delete;
144 L07Action& operator=(const L07Action&) = delete;
145 ~L07Action() override;
148 double get_latency() const { return latency_; }
149 void set_latency(double latency) { latency_ = latency; }
150 void update_latency(double delta, double precision) { double_update(&latency_, delta, precision); }
154 } // namespace simgrid
156 #endif /* HOST_L07_HPP_ */