-/* Copyright (c) 2013-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2013-2022. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
+#include "src/kernel/resource/NetworkModel.hpp"
+#include "src/surf/HostImpl.hpp"
#include <cstdlib>
#include <vector>
#include <xbt/base.h>
-#include "src/surf/HostImpl.hpp"
#ifndef HOST_L07_HPP_
#define HOST_L07_HPP_
-namespace simgrid {
-namespace surf {
+namespace simgrid::kernel::resource {
/***********
* Classes *
class XBT_PRIVATE LinkL07;
class XBT_PRIVATE L07Action;
-/*********
- * Tools *
- *********/
/*********
* Model *
*********/
class HostL07Model : public HostModel {
public:
- HostL07Model();
+ HostL07Model(const std::string& name, lmm::System* sys);
HostL07Model(const HostL07Model&) = delete;
HostL07Model& operator=(const HostL07Model&) = delete;
- ~HostL07Model() override;
- double next_occuring_event(double now) override;
+ double next_occurring_event(double now) override;
void update_actions_state(double now, double delta) override;
- kernel::resource::CpuAction* execute_parallel(const std::vector<s4u::Host*>& host_list, const double* flops_amount,
- const double* bytes_amount, double rate) override;
+ Action* execute_thread(const s4u::Host* host, double flops_amount, int thread_count) override { return nullptr; }
+ CpuAction* execute_parallel(const std::vector<s4u::Host*>& host_list, const double* flops_amount,
+ const double* bytes_amount, double rate) override;
};
-class CpuL07Model : public kernel::resource::CpuModel {
+class CpuL07Model : public CpuModel {
public:
- CpuL07Model(HostL07Model* hmodel, kernel::lmm::System* sys);
+ CpuL07Model(const std::string& name, HostL07Model* hmodel, lmm::System* sys);
CpuL07Model(const CpuL07Model&) = delete;
CpuL07Model& operator=(const CpuL07Model&) = delete;
- ~CpuL07Model();
-
- kernel::resource::Cpu* create_cpu(s4u::Host* host, const std::vector<double>& speed_per_pstate, int core) override;
- HostL07Model *hostModel_;
+ ~CpuL07Model() override;
+ void update_actions_state(double /*now*/, double /*delta*/) override{
+ /* this action is done by HostL07Model which shares the LMM system with the CPU model
+ * Overriding to an empty function here allows us to handle the Cpu07Model as a regular
+ * method in EngineImpl::presolve */
+ };
+
+ CpuImpl* create_cpu(s4u::Host* host, const std::vector<double>& speed_per_pstate) override;
+ HostL07Model* hostModel_;
};
-class NetworkL07Model : public kernel::resource::NetworkModel {
+class NetworkL07Model : public NetworkModel {
public:
- NetworkL07Model(HostL07Model* hmodel, kernel::lmm::System* sys);
+ NetworkL07Model(const std::string& name, HostL07Model* hmodel, lmm::System* sys);
NetworkL07Model(const NetworkL07Model&) = delete;
NetworkL07Model& operator=(const NetworkL07Model&) = delete;
- ~NetworkL07Model();
- kernel::resource::LinkImpl* create_link(const std::string& name, const std::vector<double>& bandwidths,
- double latency, s4u::Link::SharingPolicy policy) override;
-
- kernel::resource::Action* communicate(s4u::Host* src, s4u::Host* dst, double size, double rate) override;
-
- HostL07Model *hostModel_;
+ ~NetworkL07Model() override;
+ StandardLinkImpl* create_link(const std::string& name, const std::vector<double>& bandwidths) final;
+ StandardLinkImpl* create_wifi_link(const std::string& name, const std::vector<double>& bandwidths) override;
+
+ Action* communicate(s4u::Host* src, s4u::Host* dst, double size, double rate) override;
+ void update_actions_state(double /*now*/, double /*delta*/) override{
+ /* this action is done by HostL07Model which shares the LMM system with the CPU model
+ * Overriding to an empty function here allows us to handle the Cpu07Model as a regular
+ * method in EngineImpl::presolve */
+ };
+
+ HostL07Model* hostModel_;
};
/************
* Resource *
************/
-class CpuL07 : public kernel::resource::Cpu {
+class CpuL07 : public CpuImpl {
public:
- CpuL07(CpuL07Model* model, s4u::Host* host, const std::vector<double>& speed_per_pstate, int core);
+ using CpuImpl::CpuImpl;
CpuL07(const CpuL07&) = delete;
CpuL07& operator=(const CpuL07&) = delete;
- ~CpuL07() override;
- bool is_used() override;
- void apply_event(kernel::profile::Event* event, double value) override;
- kernel::resource::CpuAction* execution_start(double size) override;
- kernel::resource::CpuAction* execution_start(double, int) override
+
+ void apply_event(profile::Event* event, double value) override;
+ CpuAction* execution_start(double size, double user_bound) override;
+ CpuAction* execution_start(double, int, double) override
{
THROW_UNIMPLEMENTED;
return nullptr;
}
- kernel::resource::CpuAction* sleep(double duration) override;
+ CpuAction* sleep(double duration) override;
protected:
void on_speed_change() override;
};
-class LinkL07 : public kernel::resource::LinkImpl {
+class LinkL07 : public StandardLinkImpl {
public:
- LinkL07(NetworkL07Model* model, const std::string& name, double bandwidth, double latency,
- s4u::Link::SharingPolicy policy);
+ LinkL07(const std::string& name, double bandwidth, lmm::System* system);
LinkL07(const LinkL07&) = delete;
LinkL07& operator=(const LinkL07&) = delete;
~LinkL07() override;
- bool is_used() override;
- void apply_event(kernel::profile::Event* event, double value) override;
+ void apply_event(profile::Event* event, double value) override;
void set_bandwidth(double value) override;
void set_latency(double value) override;
};
/**********
* Action *
**********/
-class L07Action : public kernel::resource::CpuAction {
- friend CpuAction* CpuL07::execution_start(double size);
+class L07Action : public CpuAction {
+ const std::vector<s4u::Host*> host_list_;
+ bool free_arrays_ = false; // By default, computation_amount_ and friends are freed by caller. But not for sequential
+ // exec and regular comms
+ const double* computation_amount_; /* pointer to the data that lives in s4u action -- do not free unless if
+ * free_arrays */
+ const double* communication_amount_; /* pointer to the data that lives in s4u action -- do not free unless if
+ * free_arrays */
+ double latency_;
+ double rate_;
+
+ friend CpuAction* CpuL07::execution_start(double size, double user_bound);
friend CpuAction* CpuL07::sleep(double duration);
friend CpuAction* HostL07Model::execute_parallel(const std::vector<s4u::Host*>& host_list, const double* flops_amount,
const double* bytes_amount, double rate);
friend Action* NetworkL07Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate);
+ /**
+ * @brief Calculate the CPU bound for the parallel task
+ *
+ * The task is bounded by the slowest CPU running the ptask, considering the current pstate of each CPU.
+ * Return MAX_DOUBLE if ptask has no computation.
+ */
+ double calculate_cpu_bound() const;
+
+ /**
+ * @brief Calculate the network bound for the parallel task
+ *
+ * The network bound depends on the largest latency between the communication in the ptask.
+ * Return MAX_DOUBLE if latency is 0 (or ptask doesn't have any communication)
+ */
+ double calculate_network_bound() const;
public:
- L07Action(kernel::resource::Model* model, const std::vector<s4u::Host*>& host_list, const double* flops_amount,
+ L07Action() = delete;
+ L07Action(Model* model, const std::vector<s4u::Host*>& host_list, const double* flops_amount,
const double* bytes_amount, double rate);
L07Action(const L07Action&) = delete;
L07Action& operator=(const L07Action&) = delete;
- ~L07Action();
-
- void updateBound();
+ ~L07Action() override;
- std::vector<s4u::Host*> hostList_;
- const double* computationAmount_; /* pointer to the data that lives in s4u action -- do not free unless if
- * free_arrays */
- const double* communicationAmount_; /* pointer to the data that lives in s4u action -- do not free unless if
- * free_arrays */
- double latency_;
- double rate_;
-
-private:
- bool free_arrays_ = false; // By default, computationAmount_ and friends are freed by caller. But not for sequential
- // exec and regular comms
+ void update_bound() const;
+ double get_latency() const { return latency_; }
+ void set_latency(double latency) { latency_ = latency; }
+ void update_latency(double delta, double precision) { double_update(&latency_, delta, precision); }
};
-} // namespace surf
-} // namespace simgrid
+} // namespace simgrid::kernel::resource
#endif /* HOST_L07_HPP_ */