X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/fada3b2a44977aca17ab9e8163df0795378ad129..ebc355d0c96552d0bc2aa301d90723490337bca3:/src/surf/ptask_L07.cpp diff --git a/src/surf/ptask_L07.cpp b/src/surf/ptask_L07.cpp index 8c6ec46fc8..9a4715ddff 100644 --- a/src/surf/ptask_L07.cpp +++ b/src/surf/ptask_L07.cpp @@ -1,4 +1,4 @@ -/* Copyright (c) 2007-2018. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2007-2019. 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. */ @@ -18,14 +18,13 @@ XBT_LOG_EXTERNAL_CATEGORY(xbt_cfg); void surf_host_model_init_ptask_L07() { XBT_CINFO(xbt_cfg,"Switching to the L07 model to handle parallel tasks."); - xbt_assert(not surf_cpu_model_pm, "CPU model type already defined"); - xbt_assert(not surf_network_model, "network model type already defined"); + xbt_assert(not surf_cpu_model_pm, "Cannot switch to ptasks: CPU model already defined"); + xbt_assert(not surf_network_model, "Cannot switch to ptasks: network model already defined"); surf_host_model = new simgrid::surf::HostL07Model(); - all_existing_models->push_back(surf_host_model); + all_existing_models.push_back(surf_host_model); } - namespace simgrid { namespace surf { @@ -57,7 +56,7 @@ NetworkL07Model::NetworkL07Model(HostL07Model* hmodel, kernel::lmm::System* sys) : NetworkModel(Model::UpdateAlgo::FULL), hostModel_(hmodel) { set_maxmin_system(sys); - loopback_ = NetworkL07Model::createLink("__loopback__", 498000000, 0.000015, s4u::Link::SharingPolicy::FATPIPE); + loopback_ = NetworkL07Model::create_link("__loopback__", 498000000, 0.000015, s4u::Link::SharingPolicy::FATPIPE); } NetworkL07Model::~NetworkL07Model() @@ -100,9 +99,7 @@ void HostL07Model::update_actions_state(double /*now*/, double delta) XBT_DEBUG("Action (%p) : remains (%g) updated by %g.", &action, action.get_remains(), action.get_variable()->get_value() * delta); action.update_remains(action.get_variable()->get_value() * delta); - - if (action.get_max_duration() > NO_MAX_DURATION) - action.update_max_duration(delta); + action.update_max_duration(delta); XBT_DEBUG("Action (%p) : remains (%g).", &action, action.get_remains()); @@ -113,114 +110,112 @@ void HostL07Model::update_actions_state(double /*now*/, double delta) */ if (((action.get_remains() <= 0) && (action.get_variable()->get_weight() > 0)) || - ((action.get_max_duration() > NO_MAX_DURATION) && (action.get_max_duration() <= 0))) { + ((action.get_max_duration() != NO_MAX_DURATION) && (action.get_max_duration() <= 0))) { action.finish(kernel::resource::Action::State::FINISHED); - } else { - /* Need to check that none of the model has failed */ - int i = 0; - kernel::lmm::Constraint* cnst = action.get_variable()->get_constraint(i); - while (cnst != nullptr) { - i++; - void* constraint_id = cnst->get_id(); - if (static_cast(constraint_id)->is_off()) { - XBT_DEBUG("Action (%p) Failed!!", &action); - action.finish(kernel::resource::Action::State::FAILED); - break; - } - cnst = action.get_variable()->get_constraint(i); + continue; + } + + /* Need to check that none of the model has failed */ + int i = 0; + kernel::lmm::Constraint* cnst = action.get_variable()->get_constraint(i); + while (cnst != nullptr) { + i++; + void* constraint_id = cnst->get_id(); + if (not static_cast(constraint_id)->is_on()) { + XBT_DEBUG("Action (%p) Failed!!", &action); + action.finish(kernel::resource::Action::State::FAILED); + break; } + cnst = action.get_variable()->get_constraint(i); } } } -kernel::resource::Action* HostL07Model::execute_parallel(int host_nb, sg_host_t* host_list, double* flops_amount, - double* bytes_amount, double rate) +kernel::resource::Action* HostL07Model::execute_parallel(const std::vector& host_list, + const double* flops_amount, const double* bytes_amount, + double rate) { - return new L07Action(this, host_nb, host_list, flops_amount, bytes_amount, rate); + return new L07Action(this, host_list, flops_amount, bytes_amount, rate); } -L07Action::L07Action(kernel::resource::Model* model, int host_nb, sg_host_t* host_list, double* flops_amount, - double* bytes_amount, double rate) +L07Action::L07Action(kernel::resource::Model* model, const std::vector& host_list, + const double* flops_amount, const double* bytes_amount, double rate) : CpuAction(model, 1, 0), computationAmount_(flops_amount), communicationAmount_(bytes_amount), rate_(rate) { - int nb_link = 0; - int nb_used_host = 0; /* Only the hosts with something to compute (>0 flops) are counted) */ + size_t link_nb = 0; + size_t used_host_nb = 0; /* Only the hosts with something to compute (>0 flops) are counted) */ double latency = 0.0; + this->set_last_update(); - this->hostList_->reserve(host_nb); - for (int i = 0; i < host_nb; i++) { - this->hostList_->push_back(host_list[i]); - if (flops_amount[i] > 0) - nb_used_host++; - } + hostList_.insert(hostList_.end(), host_list.begin(), host_list.end()); + + if (flops_amount != nullptr) + used_host_nb += std::count_if(flops_amount, flops_amount + host_list.size(), [](double x) { return x > 0.0; }); /* Compute the number of affected resources... */ if(bytes_amount != nullptr) { std::unordered_set affected_links; - for (int i = 0; i < host_nb; i++) { - for (int j = 0; j < host_nb; j++) { + for (size_t k = 0; k < host_list.size() * host_list.size(); k++) { + if (bytes_amount[k] <= 0) + continue; - if (bytes_amount[i * host_nb + j] > 0) { - double lat=0.0; + double lat = 0.0; + std::vector route; + hostList_[k / host_list.size()]->route_to(hostList_[k % host_list.size()], route, &lat); + latency = std::max(latency, lat); - std::vector route; - hostList_->at(i)->route_to(hostList_->at(j), route, &lat); - latency = std::max(latency, lat); - - for (auto const& link : route) - affected_links.insert(link->get_cname()); - } - } + for (auto const& link : route) + affected_links.insert(link->get_cname()); } - nb_link = affected_links.size(); + link_nb = affected_links.size(); } - XBT_DEBUG("Creating a parallel task (%p) with %d hosts and %d unique links.", this, host_nb, nb_link); + XBT_DEBUG("Creating a parallel task (%p) with %zu hosts and %zu unique links.", this, host_list.size(), link_nb); latency_ = latency; - set_variable(model->get_maxmin_system()->variable_new(this, 1.0, (rate > 0 ? rate : -1.0), host_nb + nb_link)); + set_variable( + 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); - for (int i = 0; i < host_nb; i++) - model->get_maxmin_system()->expand(host_list[i]->pimpl_cpu->get_constraint(), get_variable(), flops_amount[i]); - - if(bytes_amount != nullptr) { - for (int i = 0; i < host_nb; i++) { - for (int j = 0; j < host_nb; j++) { - if (bytes_amount[i * host_nb + j] > 0.0) { - std::vector route; - hostList_->at(i)->route_to(hostList_->at(j), route, nullptr); - - for (auto const& link : route) - model->get_maxmin_system()->expand_add(link->get_constraint(), this->get_variable(), - bytes_amount[i * host_nb + j]); - } - } + /* 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 */ + for (size_t i = 0; i < host_list.size(); i++) + model->get_maxmin_system()->expand(host_list[i]->pimpl_cpu->get_constraint(), get_variable(), + (flops_amount == nullptr ? 0.0 : flops_amount[i])); + + if (bytes_amount != nullptr) { + for (size_t k = 0; k < host_list.size() * host_list.size(); k++) { + if (bytes_amount[k] <= 0.0) + continue; + std::vector route; + hostList_[k / host_list.size()]->route_to(hostList_[k % host_list.size()], route, nullptr); + + for (auto const& link : route) + model->get_maxmin_system()->expand_add(link->get_constraint(), this->get_variable(), bytes_amount[k]); } } - if (nb_link + nb_used_host == 0) { + if (link_nb + used_host_nb == 0) { this->set_cost(1.0); this->set_remains(0.0); } - delete[] host_list; } kernel::resource::Action* NetworkL07Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate) { - sg_host_t* host_list = new sg_host_t[2](); + std::vector host_list = {src, dst}; double* flops_amount = new double[2](); double* bytes_amount = new double[4](); - host_list[0] = src; - host_list[1] = dst; bytes_amount[1] = size; - return hostModel_->execute_parallel(2, host_list, flops_amount, bytes_amount, rate); + kernel::resource::Action* res = hostModel_->execute_parallel(host_list, flops_amount, bytes_amount, rate); + static_cast(res)->free_arrays_ = true; + return res; } Cpu* CpuL07Model::create_cpu(simgrid::s4u::Host* host, std::vector* speed_per_pstate, int core) @@ -228,8 +223,8 @@ Cpu* CpuL07Model::create_cpu(simgrid::s4u::Host* host, std::vector* spee return new CpuL07(this, host, speed_per_pstate, core); } -kernel::resource::LinkImpl* NetworkL07Model::createLink(const std::string& name, double bandwidth, double latency, - s4u::Link::SharingPolicy policy) +kernel::resource::LinkImpl* NetworkL07Model::create_link(const std::string& name, double bandwidth, double latency, + s4u::Link::SharingPolicy policy) { return new LinkL07(this, name, bandwidth, latency, policy); } @@ -261,13 +256,15 @@ LinkL07::LinkL07(NetworkL07Model* model, const std::string& name, double bandwid kernel::resource::Action* CpuL07::execution_start(double size) { - sg_host_t* host_list = new sg_host_t[1](); - double* flops_amount = new double[1](); + std::vector host_list = {get_host()}; - host_list[0] = get_host(); + double* flops_amount = new double[host_list.size()](); flops_amount[0] = size; - return static_cast(get_model())->hostModel_->execute_parallel(1, host_list, flops_amount, nullptr, -1); + kernel::resource::Action* res = + static_cast(get_model())->hostModel_->execute_parallel(host_list, flops_amount, nullptr, -1); + static_cast(res)->free_arrays_ = true; + return res; } kernel::resource::Action* CpuL07::sleep(double duration) @@ -306,7 +303,7 @@ bool LinkL07::is_used() return get_model()->get_maxmin_system()->constraint_used(get_constraint()); } -void CpuL07::apply_event(tmgr_trace_event_t triggered, double value) +void CpuL07::apply_event(kernel::profile::Event* triggered, double value) { XBT_DEBUG("Updating cpu %s (%p) with value %g", get_cname(), this, value); if (triggered == speed_.event) { @@ -315,10 +312,13 @@ void CpuL07::apply_event(tmgr_trace_event_t triggered, double value) tmgr_trace_event_unref(&speed_.event); } else if (triggered == state_event_) { - if (value > 0) - turn_on(); - else - turn_off(); + if (value > 0) { + if (not is_on()) { + XBT_VERB("Restart processes on host %s", get_host()->get_cname()); + get_host()->turn_on(); + } + } else + get_host()->turn_off(); tmgr_trace_event_unref(&state_event_); } else { @@ -326,30 +326,30 @@ void CpuL07::apply_event(tmgr_trace_event_t triggered, double value) } } -void LinkL07::apply_event(tmgr_trace_event_t triggered, double value) +void LinkL07::apply_event(kernel::profile::Event* triggered, double value) { XBT_DEBUG("Updating link %s (%p) with value=%f", get_cname(), this, value); if (triggered == bandwidth_.event) { - setBandwidth(value); + set_bandwidth(value); tmgr_trace_event_unref(&bandwidth_.event); } else if (triggered == latency_.event) { - setLatency(value); + set_latency(value); tmgr_trace_event_unref(&latency_.event); - } else if (triggered == stateEvent_) { + } else if (triggered == state_event_) { if (value > 0) turn_on(); else turn_off(); - tmgr_trace_event_unref(&stateEvent_); + tmgr_trace_event_unref(&state_event_); } else { xbt_die("Unknown event ! \n"); } } -void LinkL07::setBandwidth(double value) +void LinkL07::set_bandwidth(double value) { bandwidth_.peak = value; LinkImpl::on_bandwidth_change(); @@ -357,7 +357,7 @@ void LinkL07::setBandwidth(double value) get_model()->get_maxmin_system()->update_constraint_bound(get_constraint(), bandwidth_.peak * bandwidth_.scale); } -void LinkL07::setLatency(double value) +void LinkL07::set_latency(double value) { kernel::lmm::Variable* var = nullptr; L07Action *action; @@ -375,28 +375,30 @@ LinkL07::~LinkL07() = default; * Action * **********/ -L07Action::~L07Action(){ - delete hostList_; - delete[] communicationAmount_; - delete[] computationAmount_; +L07Action::~L07Action() +{ + if (free_arrays_) { + delete[] computationAmount_; + delete[] communicationAmount_; + } } void L07Action::updateBound() { double lat_current = 0.0; - int hostNb = hostList_->size(); + size_t host_count = hostList_.size(); if (communicationAmount_ != nullptr) { - for (int i = 0; i < hostNb; i++) { - for (int j = 0; j < hostNb; j++) { + for (size_t i = 0; i < host_count; i++) { + for (size_t j = 0; j < host_count; j++) { - if (communicationAmount_[i * hostNb + j] > 0) { + if (communicationAmount_[i * host_count + j] > 0) { double lat = 0.0; std::vector route; - hostList_->at(i)->route_to(hostList_->at(j), route, &lat); + hostList_.at(i)->route_to(hostList_.at(j), route, &lat); - lat_current = std::max(lat_current, lat * communicationAmount_[i * hostNb + j]); + lat_current = std::max(lat_current, lat * communicationAmount_[i * host_count + j]); } } }