X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/e709643ef0c5b61c6c878016c418bffa2b1b20cd..4c18091c2618f718dcd672ed8391572eeb80ad99:/src/surf/cpu_ti.cpp diff --git a/src/surf/cpu_ti.cpp b/src/surf/cpu_ti.cpp index 788dff2cf3..91cf686226 100644 --- a/src/surf/cpu_ti.cpp +++ b/src/surf/cpu_ti.cpp @@ -1,4 +1,4 @@ -/* Copyright (c) 2013-2020. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2013-2021. 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. */ @@ -10,10 +10,11 @@ #include "surf/surf.hpp" #include +#include constexpr double EPSILON = 0.000000001; -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_cpu_ti, surf_cpu, "Logging specific to the SURF CPU TRACE INTEGRATION module"); +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(cpu_ti, res_cpu, "CPU resource, Trace Integration model"); namespace simgrid { namespace kernel { @@ -63,21 +64,20 @@ double CpuTiTmgr::integrate(double a, double b) const return (b - a) * value_; } - int a_index; + double a_index; if (fabs(ceil(a / last_time_) - a / last_time_) < EPSILON) - a_index = 1 + static_cast(ceil(a / last_time_)); + a_index = 1 + ceil(a / last_time_); else - a_index = static_cast(ceil(a / last_time_)); - - int b_index = static_cast(floor(b / last_time_)); + a_index = ceil(a / last_time_); + double b_index = floor(b / last_time_); if (a_index > b_index) { /* Same chunk */ - return profile_->integrate_simple(a - (a_index - 1) * last_time_, b - (b_index)*last_time_); + return profile_->integrate_simple(a - (a_index - 1) * last_time_, b - b_index * last_time_); } double first_chunk = profile_->integrate_simple(a - (a_index - 1) * last_time_, last_time_); double middle_chunk = (b_index - a_index) * total_; - double last_chunk = profile_->integrate_simple(0.0, b - (b_index)*last_time_); + double last_chunk = profile_->integrate_simple(0.0, b - b_index * last_time_); XBT_DEBUG("first_chunk=%.2f middle_chunk=%.2f last_chunk=%.2f\n", first_chunk, middle_chunk, last_chunk); @@ -154,11 +154,11 @@ double CpuTiTmgr::solve(double a, double amount) const XBT_DEBUG("amount %f total %f", amount, total_); /* Reduce the problem to one where amount <= trace_total */ - int quotient = static_cast(floor(amount / total_)); + double quotient = floor(amount / total_); double reduced_amount = (total_) * ((amount / total_) - floor(amount / total_)); double reduced_a = a - (last_time_) * static_cast(floor(a / last_time_)); - XBT_DEBUG("Quotient: %d reduced_amount: %f reduced_a: %f", quotient, reduced_amount, reduced_a); + XBT_DEBUG("Quotient: %g reduced_amount: %f reduced_a: %f", quotient, reduced_amount, reduced_a); /* Now solve for new_amount which is <= trace_total */ double reduced_b; @@ -172,7 +172,7 @@ double CpuTiTmgr::solve(double a, double amount) const } /* Re-map to the original b and amount */ - return (last_time_) * static_cast(floor(a / last_time_)) + (quotient * last_time_) + reduced_b; + return last_time_ * floor(a / last_time_) + (quotient * last_time_) + reduced_b; } /** @@ -239,7 +239,7 @@ CpuTiTmgr::CpuTiTmgr(kernel::profile::Profile* speed_profile, double value) : sp for (auto const& val : speed_profile->event_list) total_time += val.date_; - profile_.reset(new CpuTiProfile(speed_profile)); + profile_ = std::make_unique(speed_profile); last_time_ = total_time; total_ = profile_->integrate_simple(0, total_time); @@ -324,9 +324,10 @@ void CpuTiModel::update_actions_state(double now, double /*delta*/) * Resource * ************/ CpuTi::CpuTi(CpuTiModel* model, s4u::Host* host, const std::vector& speed_per_pstate, int core) - : Cpu(model, host, speed_per_pstate, core) + : Cpu(host, speed_per_pstate) { xbt_assert(core == 1, "Multi-core not handled by this model yet"); + this->set_model(model); speed_.peak = speed_per_pstate.front(); XBT_DEBUG("CPU create: peak=%f", speed_.peak); @@ -374,11 +375,11 @@ void CpuTi::apply_event(kernel::profile::Event* event, double value) } else if (event == state_event_) { if (value > 0) { if (not is_on()) { - XBT_VERB("Restart actors 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(); double date = surf_get_clock(); /* put all action running on cpu to failed */ @@ -458,7 +459,7 @@ void CpuTi::update_actions_finish_time(double now) set_modified(false); } -bool CpuTi::is_used() +bool CpuTi::is_used() const { return not action_set_.empty(); }