1 /* Copyright (c) 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. */
7 #include "src/kernel/resource/NetworkModel.hpp"
8 #include "src/surf/HostImpl.hpp"
14 namespace simgrid::kernel::resource {
20 class XBT_PRIVATE HostS22Model;
22 class XBT_PRIVATE DiskS22;
23 class XBT_PRIVATE LinkS22;
25 class XBT_PRIVATE S22Action;
30 class HostS22Model : public HostModel {
32 HostS22Model(const std::string& name, lmm::System* sys);
33 HostS22Model(const HostS22Model&) = delete;
34 HostS22Model& operator=(const HostS22Model&) = delete;
36 double next_occurring_event(double now) override;
37 void update_actions_state(double now, double delta) override;
38 Action* execute_thread(const s4u::Host* host, double flops_amount, int thread_count) override;
39 CpuAction* execute_parallel(const std::vector<s4u::Host*>& host_list, const double* flops_amount,
40 const double* bytes_amount, double rate) override { return nullptr; }
41 DiskAction* io_stream(s4u::Host* src_host, DiskImpl* src_disk, s4u::Host* dst_host, DiskImpl* dst_disk,
42 double size) override;
49 class S22Action : public DiskAction {
50 const s4u::Host* src_host_;
51 const DiskImpl* src_disk_;
52 const s4u::Host* dst_host_;
53 const DiskImpl* dst_disk_;
60 * @brief Calculate the network bound for the parallel task
62 * The network bound depends on the largest latency between the communication in the ptask.
63 * Return MAX_DOUBLE if latency is 0 (or ptask doesn't have any communication)
65 double calculate_network_bound() const;
69 S22Action(Model* model, s4u::Host* src_host, DiskImpl* src_disk, s4u::Host* dst_host, DiskImpl* dst_disk, double size);
70 S22Action(const S22Action&) = delete;
71 S22Action& operator=(const S22Action&) = delete;
72 ~S22Action() = default;
74 void update_bound() const;
75 double get_latency() const { return latency_; }
76 void set_latency(double latency) { latency_ = latency; }
77 void update_latency(double delta, double precision) { double_update(&latency_, delta, precision); }
80 } // namespace simgrid::kernel::resource
82 #endif /* SIO_S22_HPP_ */