-/* Copyright (c) 2004-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2004-2023. 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. */
#ifndef SURF_MODEL_H_
#define SURF_MODEL_H_
-#include "src/internal_config.h"
-#include "src/surf/surf_private.hpp"
-
-#include <cmath>
#include <set>
#include <string>
-#include <unordered_map>
-#include <vector>
-
-/*********
- * Utils *
- *********/
-
-/* user-visible parameters */
-XBT_PUBLIC_DATA double sg_maxmin_precision;
-XBT_PUBLIC_DATA double sg_surf_precision;
-XBT_PUBLIC_DATA int sg_concurrency_limit;
-
-extern XBT_PRIVATE double sg_latency_factor;
-extern XBT_PRIVATE double sg_bandwidth_factor;
-extern XBT_PRIVATE double sg_weight_S_parameter;
-extern XBT_PRIVATE std::vector<std::string> surf_path;
-extern XBT_PRIVATE std::unordered_map<std::string, simgrid::kernel::profile::Profile*> traces_set_list;
-extern XBT_PRIVATE std::set<std::string> watched_hosts;
-static inline void double_update(double* variable, double value, double precision)
+/** set of hosts for which one want to be notified if they ever restart */
+inline auto& watched_hosts() // avoid static initialization order fiasco
{
- // printf("Updating %g -= %g +- %g\n",*variable,value,precision);
- // xbt_assert(value==0 || value>precision);
- // Check that precision is higher than the machine-dependent size of the mantissa. If not, brutal rounding may
- // happen, and the precision mechanism is not active...
- // xbt_assert(*variable< (2<<DBL_MANT_DIG)*precision && FLT_RADIX==2);
- *variable -= value;
- if (*variable < precision)
- *variable = 0.0;
+ static std::set<std::string, std::less<>> value;
+ return value;
}
-
-static inline int double_positive(double value, double precision)
-{
- return (value > precision);
-}
-
-static inline int double_equals(double value1, double value2, double precision)
-{
- return (fabs(value1 - value2) < precision);
-}
-
-/** @ingroup SURF_models
- * @brief Initializes the CPU model with the model Cas01
- *
- * By default, this model uses the lazy optimization mechanism that relies on partial invalidation in LMM and a heap
- * for lazy action update.
- * You can change this behavior by setting the cpu/optim configuration variable to a different value.
- *
- * You shouldn't have to call it by yourself.
- */
-XBT_PUBLIC void surf_cpu_model_init_Cas01();
-
-/** @ingroup SURF_models
- * @brief Same as network model 'LagrangeVelho', only with different correction factors.
- *
- * This model is proposed by Pierre-Nicolas Clauss and Martin Quinson and Stéphane Génaud based on the model 'LV08' and
- * different correction factors depending on the communication size (< 1KiB, < 64KiB, >= 64KiB).
- * See comments in the code for more information.
- *
- * @see surf_host_model_init_SMPI()
- */
-#if !HAVE_SMPI
-XBT_ATTRIB_NORETURN
-#endif
-XBT_PUBLIC void surf_network_model_init_SMPI();
-
-/** @ingroup SURF_models
- * @brief Same as network model 'LagrangeVelho', only with different correction factors.
- *
- * This model impelments a variant of the contention model on Infinband networks based on
- * the works of Jérôme Vienne : http://mescal.imag.fr/membres/jean-marc.vincent/index.html/PhD/Vienne.pdf
- *
- * @see surf_host_model_init_IB()
- */
-#if !HAVE_SMPI
-XBT_ATTRIB_NORETURN
-#endif
-XBT_PUBLIC void surf_network_model_init_IB();
-
-/** @ingroup SURF_models
- * @brief Initializes the platform with the network model 'LegrandVelho'
- *
- * This model is proposed by Arnaud Legrand and Pedro Velho based on the results obtained with the GTNets simulator for
- * onelink and dogbone sharing scenarios. See comments in the code for more information.
- *
- * @see surf_host_model_init_LegrandVelho()
- */
-XBT_PUBLIC void surf_network_model_init_LegrandVelho();
-
-/** @ingroup SURF_models
- * @brief Initializes the platform with the network model 'Constant'
- *
- * In this model, the communication time between two network cards is constant, hence no need for a routing table.
- * This is particularly useful when simulating huge distributed algorithms where scalability is really an issue. This
- * function is called in conjunction with surf_host_model_init_compound.
- *
- * @see surf_host_model_init_compound()
- */
-XBT_PUBLIC void surf_network_model_init_Constant();
-
-/** @ingroup SURF_models
- * @brief Initializes the platform with the network model CM02
- *
- * You sould call this function by yourself only if you plan using surf_host_model_init_compound.
- * See comments in the code for more information.
- */
-XBT_PUBLIC void surf_network_model_init_CM02();
-
-/** @ingroup SURF_models
- * @brief Initializes the platform with the network model NS3
- *
- * This function is called by surf_host_model_init_NS3 or by yourself only if you plan using
- * surf_host_model_init_compound
- *
- * @see surf_host_model_init_NS3()
- */
-#if !SIMGRID_HAVE_NS3
-XBT_ATTRIB_NORETURN
-#endif
-XBT_PUBLIC void surf_network_model_init_NS3();
-
-/** @ingroup SURF_models
- * @brief Initializes the platform with the current best network and cpu models at hand
- *
- * This platform model seperates the host model and the network model.
- * The host model will be initialized with the model compound, the network model with the model LV08 (with cross
- * traffic support) and the CPU model with the model Cas01.
- * Such model is subject to modification with warning in the ChangeLog so monitor it!
- */
-XBT_PUBLIC void surf_vm_model_init_HL13();
-
-/** @ingroup SURF_models
- * @brief Initializes the platform with a compound host model
- *
- * This function should be called after a cpu_model and a network_model have been set up.
- */
-XBT_PUBLIC void surf_host_model_init_compound();
-
-/** @ingroup SURF_models
- * @brief Initializes the platform with the current best network and cpu models at hand
- *
- * This platform model separates the host model and the network model.
- * The host model will be initialized with the model compound, the network model with the model LV08 (with cross
- * traffic support) and the CPU model with the model Cas01.
- * Such model is subject to modification with warning in the ChangeLog so monitor it!
- */
-XBT_PUBLIC void surf_host_model_init_current_default();
-
-/** @ingroup SURF_models
- * @brief Initializes the platform with the model L07
- *
- * With this model, only parallel tasks can be used. Resource sharing is done by identifying bottlenecks and giving an
- * equal share of the model to each action.
- */
-XBT_PUBLIC void surf_host_model_init_ptask_L07();
-
-/** @ingroup SURF_models
- * @brief The storage model
- */
-XBT_PUBLIC void surf_storage_model_init_default();
-
-XBT_PUBLIC void surf_disk_model_init_default();
-
-/* --------------------
- * Model Descriptions
- * -------------------- */
-/** @brief Resource model description */
-struct surf_model_description_t {
- const char* name;
- const char* description;
- void_f_void_t model_init_preparse;
-};
-
-XBT_PUBLIC int find_model_description(const std::vector<surf_model_description_t>& table, const std::string& name);
-XBT_PUBLIC void model_help(const char* category, const std::vector<surf_model_description_t>& table);
-
-#define SIMGRID_REGISTER_PLUGIN(id, desc, init) \
- static void XBT_ATTRIB_CONSTRUCTOR(800) _XBT_CONCAT3(simgrid_, id, _plugin_register)() \
- { \
- simgrid_add_plugin_description(_XBT_STRINGIFY(id), desc, init); \
- }
-
-XBT_PUBLIC void simgrid_add_plugin_description(const char* name, const char* description, void_f_void_t init_fun);
-
-/** @brief The list of all available plugins */
-XBT_PUBLIC_DATA std::vector<surf_model_description_t>* surf_plugin_description;
-/** @brief The list of all available optimization modes (both for cpu and networks).
- * These optimization modes can be set using --cfg=cpu/optim:... and --cfg=network/optim:... */
-XBT_PUBLIC_DATA const std::vector<surf_model_description_t> surf_optimization_mode_description;
-/** @brief The list of all cpu models (pick one with --cfg=cpu/model) */
-XBT_PUBLIC_DATA const std::vector<surf_model_description_t> surf_cpu_model_description;
-/** @brief The list of all network models (pick one with --cfg=network/model) */
-XBT_PUBLIC_DATA const std::vector<surf_model_description_t> surf_network_model_description;
-/** @brief The list of all disk models (pick one with --cfg=disk/model) */
-XBT_PUBLIC_DATA const std::vector<surf_model_description_t> surf_disk_model_description;
-/** @brief The list of all storage models (pick one with --cfg=storage/model) */
-XBT_PUBLIC_DATA const std::vector<surf_model_description_t> surf_storage_model_description;
-/** @brief The list of all host models (pick one with --cfg=host/model:) */
-XBT_PUBLIC_DATA const std::vector<surf_model_description_t> surf_host_model_description;
-
-/**********
- * Action *
- **********/
-
#endif /* SURF_MODEL_H_ */
