-/* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2021. 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 "ptask_L07.hpp"
+#include "src/kernel/resource/profile/Event.hpp"
#include "surf/surf.hpp"
#include "xbt/config.hpp"
#include <unordered_set>
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_host);
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(res_host);
XBT_LOG_EXTERNAL_CATEGORY(xbt_cfg);
/**************************************/
: NetworkModel(Model::UpdateAlgo::FULL), hostModel_(hmodel)
{
set_maxmin_system(sys);
- loopback_ = NetworkL07Model::create_link("__loopback__", 498000000, 0.000015, s4u::Link::SharingPolicy::FATPIPE);
+ loopback_ = NetworkL07Model::create_link("__loopback__",
+ std::vector<double>{simgrid::config::get_value<double>("network/loopback-bw")},
+ s4u::Link::SharingPolicy::FATPIPE)->set_latency(simgrid::config::get_value<double>("network/loopback-lat"));
+ loopback_->seal();
}
NetworkL07Model::~NetworkL07Model()
set_maxmin_system(nullptr);
}
-double HostL07Model::next_occuring_event(double now)
+double HostL07Model::next_occurring_event(double now)
{
- double min = HostModel::next_occuring_event_full(now);
+ double min = HostModel::next_occurring_event_full(now);
for (kernel::resource::Action const& action : *get_started_action_set()) {
- const L07Action& net_action = static_cast<const L07Action&>(action);
- if (net_action.latency_ > 0 && (min < 0 || net_action.latency_ < min)) {
- min = net_action.latency_;
+ const auto& net_action = static_cast<const L07Action&>(action);
+ if (net_action.get_latency() > 0 && (min < 0 || net_action.get_latency() < min)) {
+ min = net_action.get_latency();
XBT_DEBUG("Updating min with %p (start %f): %f", &net_action, net_action.get_start_time(), min);
}
}
void HostL07Model::update_actions_state(double /*now*/, double delta)
{
for (auto it = std::begin(*get_started_action_set()); it != std::end(*get_started_action_set());) {
- L07Action& action = static_cast<L07Action&>(*it);
+ auto& action = static_cast<L07Action&>(*it);
++it; // increment iterator here since the following calls to action.finish() may invalidate it
- if (action.latency_ > 0) {
- if (action.latency_ > delta) {
- double_update(&(action.latency_), delta, sg_surf_precision);
+ if (action.get_latency() > 0) {
+ if (action.get_latency() > delta) {
+ action.update_latency(delta, sg_surf_precision);
} else {
- action.latency_ = 0.0;
+ action.set_latency(0.0);
}
- if ((action.latency_ <= 0.0) && (action.is_suspended() == 0)) {
+ if ((action.get_latency() <= 0.0) && (action.is_suspended() == 0)) {
action.updateBound();
- get_maxmin_system()->update_variable_weight(action.get_variable(), 1.0);
+ get_maxmin_system()->update_variable_penalty(action.get_variable(), 1.0);
action.set_last_update();
}
}
* If it's not done, it may have failed.
*/
- if (((action.get_remains() <= 0) && (action.get_variable()->get_weight() > 0)) ||
+ if (((action.get_remains() <= 0) && (action.get_variable()->get_penalty() > 0)) ||
((action.get_max_duration() != NO_MAX_DURATION) && (action.get_max_duration() <= 0))) {
action.finish(kernel::resource::Action::State::FINISHED);
continue;
/* Need to check that none of the model has failed */
int i = 0;
- kernel::lmm::Constraint* cnst = action.get_variable()->get_constraint(i);
+ const kernel::lmm::Constraint* cnst = action.get_variable()->get_constraint(i);
while (cnst != nullptr) {
i++;
- void* constraint_id = cnst->get_id();
- if (not static_cast<simgrid::kernel::resource::Resource*>(constraint_id)->is_on()) {
+ const kernel::resource::Resource* constraint_id = cnst->get_id();
+ if (not constraint_id->is_on()) {
XBT_DEBUG("Action (%p) Failed!!", &action);
action.finish(kernel::resource::Action::State::FAILED);
break;
L07Action::L07Action(kernel::resource::Model* model, const std::vector<s4u::Host*>& host_list,
const double* flops_amount, const double* bytes_amount, double rate)
- : CpuAction(model, 1, 0), computationAmount_(flops_amount), communicationAmount_(bytes_amount), rate_(rate)
+ : CpuAction(model, 1.0, false), computationAmount_(flops_amount), communicationAmount_(bytes_amount), rate_(rate)
{
size_t link_nb = 0;
size_t used_host_nb = 0; /* Only the hosts with something to compute (>0 flops) are counted) */
model->get_maxmin_system()->variable_new(this, 1.0, (rate > 0 ? rate : -1.0), host_list.size() + link_nb));
if (latency_ > 0)
- model->get_maxmin_system()->update_variable_weight(get_variable(), 0.0);
+ model->get_maxmin_system()->update_variable_penalty(get_variable(), 0.0);
/* Expand it for the CPUs even if there is nothing to compute, to make sure that it gets expended even if there is no
* communication either */
kernel::resource::Action* NetworkL07Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate)
{
std::vector<s4u::Host*> host_list = {src, dst};
- double* flops_amount = new double[2]();
- double* bytes_amount = new double[4]();
+ const auto* flops_amount = new double[2]();
+ auto* bytes_amount = new double[4]();
bytes_amount[1] = size;
return new CpuL07(this, host, speed_per_pstate, core);
}
-kernel::resource::LinkImpl* NetworkL07Model::create_link(const std::string& name, double bandwidth, double latency,
+kernel::resource::LinkImpl* NetworkL07Model::create_link(const std::string& name, const std::vector<double>& bandwidths,
s4u::Link::SharingPolicy policy)
{
- return new LinkL07(this, name, bandwidth, latency, policy);
+ xbt_assert(bandwidths.size() == 1, "Non WIFI link must have only 1 bandwidth.");
+ return new LinkL07(this, name, bandwidths[0], policy);
}
/************
************/
CpuL07::CpuL07(CpuL07Model* model, simgrid::s4u::Host* host, const std::vector<double>& speed_per_pstate, int core)
- : Cpu(model, host, model->get_maxmin_system()->constraint_new(this, speed_per_pstate.front()), speed_per_pstate,
- core)
+ : Cpu(host, speed_per_pstate)
{
+ this->set_core_count(core)->set_model(model)->set_constraint(
+ model->get_maxmin_system()->constraint_new(this, speed_per_pstate.front()));
}
CpuL07::~CpuL07()=default;
-LinkL07::LinkL07(NetworkL07Model* model, const std::string& name, double bandwidth, double latency,
- s4u::Link::SharingPolicy policy)
+LinkL07::LinkL07(NetworkL07Model* model, const std::string& name, double bandwidth, s4u::Link::SharingPolicy policy)
: LinkImpl(model, name, model->get_maxmin_system()->constraint_new(this, bandwidth))
{
bandwidth_.peak = bandwidth;
- latency_.peak = latency;
if (policy == s4u::Link::SharingPolicy::FATPIPE)
get_constraint()->unshare();
-
- s4u::Link::on_creation(this->piface_);
}
kernel::resource::CpuAction* CpuL07::execution_start(double size)
{
- std::vector<s4u::Host*> host_list = {get_host()};
+ std::vector<s4u::Host*> host_list = {get_iface()};
- double* flops_amount = new double[host_list.size()]();
+ auto* flops_amount = new double[host_list.size()]();
flops_amount[0] = size;
kernel::resource::CpuAction* res =
kernel::resource::CpuAction* CpuL07::sleep(double duration)
{
- L07Action *action = static_cast<L07Action*>(execution_start(1.0));
+ auto* action = static_cast<L07Action*>(execution_start(1.0));
action->set_max_duration(duration);
action->set_suspend_state(kernel::resource::Action::SuspendStates::SLEEPING);
- get_model()->get_maxmin_system()->update_variable_weight(action->get_variable(), 0.0);
+ get_model()->get_maxmin_system()->update_variable_penalty(action->get_variable(), 0.0);
return action;
}
-bool CpuL07::is_used()
+bool CpuL07::is_used() const
{
return get_model()->get_maxmin_system()->constraint_used(get_constraint());
}
/** @brief take into account changes of speed (either load or max) */
void CpuL07::on_speed_change()
{
- kernel::lmm::Variable* var = nullptr;
+ const kernel::lmm::Variable* var;
const kernel::lmm::Element* elem = nullptr;
get_model()->get_maxmin_system()->update_constraint_bound(get_constraint(), speed_.peak * speed_.scale);
while ((var = get_constraint()->get_variable(&elem))) {
- kernel::resource::Action* action = static_cast<kernel::resource::Action*>(var->get_id());
+ const kernel::resource::Action* action = var->get_id();
get_model()->get_maxmin_system()->update_variable_bound(action->get_variable(), speed_.scale * speed_.peak);
}
Cpu::on_speed_change();
}
-bool LinkL07::is_used()
+bool LinkL07::is_used() const
{
return get_model()->get_maxmin_system()->constraint_used(get_constraint());
}
} else if (triggered == state_event_) {
if (value > 0) {
if (not is_on()) {
- XBT_VERB("Restart processes on host %s", get_host()->get_cname());
- get_host()->turn_on();
+ XBT_VERB("Restart actors on host %s", get_iface()->get_cname());
+ get_iface()->turn_on();
}
} else
- get_host()->turn_off();
+ get_iface()->turn_off();
tmgr_trace_event_unref(&state_event_);
} else {
get_model()->get_maxmin_system()->update_constraint_bound(get_constraint(), bandwidth_.peak * bandwidth_.scale);
}
-void LinkL07::set_latency(double value)
+kernel::resource::LinkImpl* LinkL07::set_latency(double value)
{
- kernel::lmm::Variable* var = nullptr;
+ latency_check(value);
+ const kernel::lmm::Variable* var;
L07Action *action;
const kernel::lmm::Element* elem = nullptr;
action = static_cast<L07Action*>(var->get_id());
action->updateBound();
}
+ return this;
}
LinkL07::~LinkL07() = default;
if (communicationAmount_ != nullptr) {
for (size_t i = 0; i < host_count; i++) {
for (size_t j = 0; j < host_count; j++) {
-
if (communicationAmount_[i * host_count + j] > 0) {
double lat = 0.0;
std::vector<kernel::resource::LinkImpl*> route;
