1 /* Copyright (c) 2013-2022. 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 #ifndef SURF_MODEL_CPUTI_HPP_
7 #define SURF_MODEL_CPUTI_HPP_
9 #include "src/kernel/resource/CpuImpl.hpp"
10 #include "src/kernel/resource/profile/Profile.hpp"
11 #include <boost/intrusive/list.hpp>
14 namespace simgrid::kernel::resource {
19 class XBT_PRIVATE CpuTiModel;
20 class XBT_PRIVATE CpuTi;
21 class XBT_PRIVATE CpuTiAction;
27 std::vector<double> time_points_;
28 std::vector<double> integral_;
31 explicit CpuTiProfile(const profile::Profile* profile);
33 const std::vector<double>& get_time_points() const { return time_points_; }
35 double integrate_simple(double a, double b) const;
36 double integrate_simple_point(double a) const;
37 double solve_simple(double a, double amount) const;
39 static long binary_search(const std::vector<double>& array, double a);
44 FIXED, /*< Trace fixed, no availability file */
45 DYNAMIC /*< Dynamic, have an availability file */
47 Type type_ = Type::FIXED;
48 double value_ = 0.0; /*< Percentage of cpu speed available. Value fixed between 0 and 1 */
51 double last_time_ = 0.0; /*< Integral interval last point (discrete time) */
52 double total_ = 0.0; /*< Integral total between 0 and last point */
54 std::unique_ptr<CpuTiProfile> profile_ = nullptr;
55 profile::Profile* speed_profile_ = nullptr;
58 explicit CpuTiTmgr(double value) : value_(value){};
59 CpuTiTmgr(profile::Profile* speed_profile, double value);
60 CpuTiTmgr(const CpuTiTmgr&) = delete;
61 CpuTiTmgr& operator=(const CpuTiTmgr&) = delete;
63 double integrate(double a, double b) const;
64 double solve(double a, double amount) const;
65 double get_power_scale(double a) const;
72 class XBT_PRIVATE CpuTiAction : public CpuAction {
75 CpuTiAction(CpuTi* cpu, double cost);
76 CpuTiAction(const CpuTiAction&) = delete;
77 CpuTiAction& operator=(const CpuTiAction&) = delete;
78 ~CpuTiAction() override;
80 void set_state(Action::State state) override;
81 void cancel() override;
82 void suspend() override;
83 void resume() override;
84 void set_sharing_penalty(double sharing_penalty) override;
85 double get_remains() override;
89 boost::intrusive::list_member_hook<> action_ti_hook;
92 using ActionTiListOptions =
93 boost::intrusive::member_hook<CpuTiAction, boost::intrusive::list_member_hook<>, &CpuTiAction::action_ti_hook>;
94 using ActionTiList = boost::intrusive::list<CpuTiAction, ActionTiListOptions>;
99 class CpuTi : public CpuImpl {
101 CpuTi(s4u::Host* host, const std::vector<double>& speed_per_pstate);
102 CpuTi(const CpuTi&) = delete;
103 CpuTi& operator&(const CpuTi&) = delete;
106 CpuImpl* set_speed_profile(profile::Profile* profile) override;
108 void apply_event(profile::Event* event, double value) override;
109 void update_actions_finish_time(double now);
110 void update_remaining_amount(double now);
112 bool is_used() const override;
113 CpuAction* execution_start(double size, double user_bound) override;
114 CpuAction* execution_start(double, int, double) override
119 CpuAction* sleep(double duration) override;
120 double get_speed_ratio() override;
122 void set_modified(bool modified);
124 CpuTiTmgr* speed_integrated_trace_ = nullptr; /*< Structure with data needed to integrate trace file */
125 ActionTiList action_set_; /*< set with all actions running on cpu */
126 double sum_priority_ = 0; /*< the sum of actions' priority that are running on cpu */
127 double last_update_ = 0; /*< last update of actions' remaining amount done */
129 boost::intrusive::list_member_hook<> cpu_ti_hook;
132 using CpuTiListOptions =
133 boost::intrusive::member_hook<CpuTi, boost::intrusive::list_member_hook<>, &CpuTi::cpu_ti_hook>;
134 using CpuTiList = boost::intrusive::list<CpuTi, CpuTiListOptions>;
139 class CpuTiModel : public CpuModel {
141 static void create_pm_models(); // Make CPU PM model
143 using CpuModel::CpuModel;
144 CpuTiModel(const CpuTiModel&) = delete;
145 CpuTiModel& operator=(const CpuTiModel&) = delete;
146 CpuImpl* create_cpu(s4u::Host* host, const std::vector<double>& speed_per_pstate) override;
147 double next_occurring_event(double now) override;
148 void update_actions_state(double now, double delta) override;
150 CpuTiList modified_cpus_;
153 } // namespace simgrid::kernel::resource
155 #endif /* SURF_MODEL_CPUTI_HPP_ */