-/* Copyright (c) 2013-2018. 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();
+ HostL07Model(const std::string& name, lmm::System* sys);
+ HostL07Model(const HostL07Model&) = delete;
+ HostL07Model& operator=(const HostL07Model&) = delete;
- 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::Action* executeParallelTask(int host_nb, sg_host_t* host_list, double* flops_amount,
- 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 CpuModel {
public:
- CpuL07Model(HostL07Model* hmodel, kernel::lmm::System* sys);
- ~CpuL07Model();
-
- Cpu *createCpu(simgrid::s4u::Host *host, std::vector<double> *speedPerPstate, int core) override;
- HostL07Model *hostModel_;
+ CpuL07Model(const std::string& name, HostL07Model* hmodel, lmm::System* sys);
+ CpuL07Model(const CpuL07Model&) = delete;
+ CpuL07Model& operator=(const CpuL07Model&) = delete;
+ ~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 NetworkModel {
public:
- NetworkL07Model(HostL07Model* hmodel, kernel::lmm::System* sys);
- ~NetworkL07Model();
- LinkImpl* createLink(const std::string& name, double bandwidth, double latency,
- e_surf_link_sharing_policy_t policy) override;
-
- kernel::resource::Action* communicate(s4u::Host* src, s4u::Host* dst, double size, double rate) override;
-
- HostL07Model *hostModel_;
+ NetworkL07Model(const std::string& name, HostL07Model* hmodel, lmm::System* sys);
+ NetworkL07Model(const NetworkL07Model&) = delete;
+ NetworkL07Model& operator=(const NetworkL07Model&) = delete;
+ ~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 Cpu {
+class CpuL07 : public CpuImpl {
public:
- CpuL07(CpuL07Model *model, simgrid::s4u::Host *host, std::vector<double> * speedPerPstate, int core);
- ~CpuL07() override;
- bool isUsed() override;
- void apply_event(tmgr_trace_event_t event, double value) override;
- kernel::resource::Action* execution_start(double size) override;
- simgrid::kernel::resource::Action* execution_start(double size, int requestedCores) override
+ using CpuImpl::CpuImpl;
+ CpuL07(const CpuL07&) = delete;
+ CpuL07& operator=(const CpuL07&) = delete;
+
+ 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::Action* sleep(double duration) override;
+ CpuAction* sleep(double duration) override;
protected:
- void onSpeedChange() override;
+ void on_speed_change() override;
};
-class LinkL07 : public LinkImpl {
+class LinkL07 : public StandardLinkImpl {
public:
- LinkL07(NetworkL07Model* model, const std::string& name, double bandwidth, double latency,
- e_surf_link_sharing_policy_t policy);
+ LinkL07(const std::string& name, double bandwidth, lmm::System* system);
+ LinkL07(const LinkL07&) = delete;
+ LinkL07& operator=(const LinkL07&) = delete;
~LinkL07() override;
- bool isUsed() override;
- void apply_event(tmgr_trace_event_t event, double value) override;
- void setBandwidth(double value) override;
- void setLatency(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 CpuAction {
- friend Action *CpuL07::execution_start(double size);
- friend Action *CpuL07::sleep(double duration);
- friend Action *HostL07Model::executeParallelTask(int host_nb, sg_host_t*host_list,
- double *flops_amount, double *bytes_amount, double rate);
-public:
- L07Action(kernel::resource::Model* model, int host_nb, sg_host_t* host_list, double* flops_amount,
- double* bytes_amount, double rate);
- ~L07Action();
-
- void updateBound();
-
- std::vector<s4u::Host*>* hostList_ = new std::vector<s4u::Host*>();
- double *computationAmount_;
- double *communicationAmount_;
+ 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() = 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() override;
+
+ 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 simgrid::kernel::resource
#endif /* HOST_L07_HPP_ */