1 /* Copyright (c) 2017-2019. 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 SIMGRID_S4U_EXEC_HPP
7 #define SIMGRID_S4U_EXEC_HPP
9 #include <simgrid/forward.h>
10 #include <simgrid/s4u/Activity.hpp>
18 /** Computation Activity, representing the asynchronous executions.
20 * They are generated from this_actor::exec_init() or Host::execute(), and can be used to model pools of threads or
23 class XBT_PUBLIC Exec : public Activity {
24 std::string name_ = "";
25 double priority_ = 1.0;
27 double timeout_ = 0.0;
28 std::string tracing_category_ = "";
29 std::atomic_int_fast32_t refcount_{0};
30 Host* host_ = nullptr;
34 virtual ~Exec() = default;
38 Exec(Exec const&) = delete;
39 Exec& operator=(Exec const&) = delete;
44 friend XBT_PUBLIC void intrusive_ptr_release(Exec* e);
45 friend XBT_PUBLIC void intrusive_ptr_add_ref(Exec* e);
46 static xbt::signal<void(ActorPtr)> on_start;
47 static xbt::signal<void(ActorPtr)> on_completion;
49 virtual Exec* start() override = 0;
50 virtual double get_remaining_ratio() = 0;
51 virtual ExecPtr set_host(Host* host) = 0;
53 Exec* wait() override;
54 Exec* wait_for(double timeout) override;
57 ExecPtr set_bound(double bound);
58 ExecPtr set_name(const std::string& name);
59 ExecPtr set_priority(double priority);
60 ExecPtr set_tracing_category(const std::string& category);
61 ExecPtr set_timeout(double timeout);
62 Exec* cancel() override;
64 XBT_ATTRIB_DEPRECATED_v323("Please use Exec::set_priority()") ExecPtr setPriority(double priority)
66 return set_priority(priority);
68 XBT_ATTRIB_DEPRECATED_v323("Please use Exec::set_bound()") ExecPtr setBound(double bound) { return set_bound(bound); }
69 XBT_ATTRIB_DEPRECATED_v324("Please use Exec::wait_for()") void wait(double t) override { wait_for(t); }
72 class XBT_PUBLIC ExecSeq : public Exec {
73 double flops_amount_ = 0.0;
75 explicit ExecSeq(sg_host_t host, double flops_amount);
78 friend XBT_PUBLIC ExecPtr this_actor::exec_init(double flops_amount);
82 Exec* start() override;
84 ExecPtr set_host(Host* host) override;
87 double get_remaining() override;
88 double get_remaining_ratio() override;
91 //////////////// Deprecated functions
92 XBT_ATTRIB_DEPRECATED_v323("Please use Exec::set_host()") ExecPtr setHost(Host* host) { return set_host(host); }
93 XBT_ATTRIB_DEPRECATED_v323("Please use Exec::get_host()") Host* getHost() { return get_host(); }
94 XBT_ATTRIB_DEPRECATED_v323("Please use Exec::get_remaining_ratio()") double getRemainingRatio()
96 return get_remaining_ratio();
101 class XBT_PUBLIC ExecPar : public Exec {
102 std::vector<s4u::Host*> hosts_;
103 std::vector<double> flops_amounts_;
104 std::vector<double> bytes_amounts_;
105 explicit ExecPar(const std::vector<s4u::Host*>& hosts, const std::vector<double>& flops_amounts,
106 const std::vector<double>& bytes_amounts);
107 ExecPtr set_host(Host* host) override { return this; }
110 ~ExecPar() = default;
111 friend XBT_PUBLIC ExecPtr this_actor::exec_init(const std::vector<s4u::Host*>& hosts,
112 const std::vector<double>& flops_amounts,
113 const std::vector<double>& bytes_amounts);
114 double get_remaining() override;
115 double get_remaining_ratio() override;
116 Exec* start() override;
120 } // namespace simgrid
122 #endif /* SIMGRID_S4U_EXEC_HPP */