X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/f8bd00dedfc33fa6df079a039afd88c845bfeb20..dba14c50ee8b9a49c93d13606839fd3c1b611c1b:/src/surf/surf_interface.cpp diff --git a/src/surf/surf_interface.cpp b/src/surf/surf_interface.cpp index 1ba1e2d198..810a35abc4 100644 --- a/src/surf/surf_interface.cpp +++ b/src/surf/surf_interface.cpp @@ -1,176 +1,9 @@ -/* Copyright (c) 2004-2022. 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. */ -#include -#include - -#include "mc/mc.h" -#include "simgrid/sg_config.hpp" -#include "src/kernel/resource/profile/FutureEvtSet.hpp" -#include "src/kernel/resource/profile/Profile.hpp" -#include "src/surf/HostImpl.hpp" -#include "src/surf/surf_interface.hpp" - -#include #include +#include -#ifdef _WIN32 -#include -#endif - -XBT_LOG_NEW_CATEGORY(surf, "All SURF categories"); -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_kernel, surf, "Logging specific to SURF (kernel)"); - -/********* - * Utils * - *********/ - -simgrid::kernel::profile::FutureEvtSet future_evt_set; std::vector surf_path; - -const std::vector surf_network_model_description = { - {"LV08", - "Realistic network analytic model (slow-start modeled by multiplying latency by 13.01, bandwidth by .97; " - "bottleneck sharing uses a payload of S=20537 for evaluating RTT). ", - &surf_network_model_init_LegrandVelho}, - {"Constant", - "Simplistic network model where all communication take a constant time (one second). This model " - "provides the lowest realism, but is (marginally) faster.", - &surf_network_model_init_Constant}, - {"SMPI", - "Realistic network model specifically tailored for HPC settings (accurate modeling of slow start with " - "correction factors on three intervals: < 1KiB, < 64 KiB, >= 64 KiB)", - &surf_network_model_init_SMPI}, - {"IB", "Realistic network model specifically tailored for HPC settings, with Infiniband contention model", - &surf_network_model_init_IB}, - {"CM02", - "Legacy network analytic model (Very similar to LV08, but without corrective factors. The timings of " - "small messages are thus poorly modeled).", - &surf_network_model_init_CM02}, - {"ns-3", "Network pseudo-model using the ns-3 tcp model instead of an analytic model", - &surf_network_model_init_NS3}, -}; - -#if !HAVE_SMPI -void surf_network_model_init_IB() -{ - xbt_die("Please activate SMPI support in cmake to use the IB network model."); -} -#endif -#if !SIMGRID_HAVE_NS3 -void surf_network_model_init_NS3() -{ - xbt_die("Please activate ns-3 support in cmake and install the dependencies to use the NS3 network model."); -} -#endif - -const std::vector surf_cpu_model_description = { - {"Cas01", "Simplistic CPU model (time=size/speed).", &surf_cpu_model_init_Cas01}, -}; - -const std::vector surf_disk_model_description = { - {"S19", "Simplistic disk model.", &surf_disk_model_init_S19}, -}; - -const std::vector surf_host_model_description = { - {"default", "Default host model. Currently, CPU:Cas01 and network:LV08 (with cross traffic enabled)", - &surf_host_model_init_current_default}, - {"compound", "Host model that is automatically chosen if you change the network and CPU models", - &surf_host_model_init_compound}, - {"ptask_L07", "Host model somehow similar to Cas01+CM02 but allowing parallel tasks", - &surf_host_model_init_ptask_L07}, -}; - -const std::vector surf_optimization_mode_description = { - {"Lazy", "Lazy action management (partial invalidation in lmm + heap in action remaining).", nullptr}, - {"TI", - "Trace integration. Highly optimized mode when using availability traces (only available for the Cas01 CPU " - "model for now).", - nullptr}, - {"Full", "Full update of remaining and variables. Slow but may be useful when debugging.", nullptr}, -}; - -/* returns whether #file_path is an absolute file path. Surprising, isn't it ? */ -static bool is_absolute_file_path(const std::string& file_path) -{ -#ifdef _WIN32 - WIN32_FIND_DATA wfd = {0}; - HANDLE hFile = FindFirstFile(file_path.c_str(), &wfd); - - if (INVALID_HANDLE_VALUE == hFile) - return false; - - FindClose(hFile); - return true; -#else - return (file_path.c_str()[0] == '/'); -#endif -} - -std::ifstream* surf_ifsopen(const std::string& name) -{ - xbt_assert(not name.empty()); - - auto* fs = new std::ifstream(); - if (is_absolute_file_path(name)) { /* don't mess with absolute file names */ - fs->open(name.c_str(), std::ifstream::in); - } - - /* search relative files in the path */ - for (auto const& path_elm : surf_path) { - std::string buff = path_elm + "/" + name; - fs->open(buff.c_str(), std::ifstream::in); - - if (not fs->fail()) { - XBT_DEBUG("Found file at %s", buff.c_str()); - return fs; - } - } - - return fs; -} - -FILE* surf_fopen(const std::string& name, const char* mode) -{ - FILE* file = nullptr; - - if (is_absolute_file_path(name)) /* don't mess with absolute file names */ - return fopen(name.c_str(), mode); - - /* search relative files in the path */ - for (auto const& path_elm : surf_path) { - std::string buff = path_elm + "/" + name; - file = fopen(buff.c_str(), mode); - - if (file) - return file; - } - return nullptr; -} - -/** Displays the long description of all registered models, and quit */ -void model_help(const char* category, const std::vector& table) -{ - XBT_HELP("Long description of the %s models accepted by this simulator:", category); - for (auto const& item : table) - XBT_HELP(" %s: %s", item.name, item.description); -} - -const surf_model_description_t* find_model_description(const std::vector& table, - const std::string& name) -{ - if (auto pos = std::find_if(table.begin(), table.end(), - [&name](const surf_model_description_t& item) { return item.name == name; }); - pos != table.end()) - return &*pos; - - std::string sep; - std::string name_list; - for (auto const& item : table) { - name_list += sep + item.name; - sep = ", "; - } - xbt_die("Model '%s' is invalid! Valid models are: %s.", name.c_str(), name_list.c_str()); -}