X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/7bc01999f5003e51cc1d12f93647999a1a143f23..a04d968fb2054d0ba895ddabb2b86f0ff42fd4aa:/src/simdag/sd_daxloader.cpp diff --git a/src/simdag/sd_daxloader.cpp b/src/simdag/sd_daxloader.cpp index 2cbfc81c4a..b98851100e 100644 --- a/src/simdag/sd_daxloader.cpp +++ b/src/simdag/sd_daxloader.cpp @@ -1,164 +1,124 @@ -/* Copyright (c) 2009-2016. The SimGrid Team. +/* Copyright (c) 2009-2018. 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 "src/simdag/simdag_private.h" +#include "simdag_private.hpp" #include "simgrid/simdag.h" -#include "xbt/misc.h" +#include "xbt/file.hpp" #include "xbt/log.h" -#include "xbt/str.h" -#include "xbt/file.h" /* xbt_basename() */ +#include "xbt/misc.h" +#include +#include XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sd_daxparse, sd, "Parsing DAX files"); -extern "C" { - #undef CLEANUP - #include "dax_dtd.h" - #define register /* g++ don't like register, so don't say it */ - #include "dax_dtd.c" - #undef register -} +#include "dax_dtd.h" +#include "dax_dtd.c" /* Ensure that transfer tasks have unique names even though a file is used several times */ - void uniq_transfer_task_name(SD_task_t task) { SD_task_t child = *(task->successors->begin()); SD_task_t parent = *(task->predecessors->begin()); - char *new_name = bprintf("%s_%s_%s", SD_task_get_name(parent), SD_task_get_name(task), SD_task_get_name(child)); - - SD_task_set_name(task, new_name); + std::string new_name = + std::string(SD_task_get_name(parent)) + "_" + SD_task_get_name(task) + "_" + SD_task_get_name(child); - free(new_name); + SD_task_set_name(task, new_name.c_str()); } static bool children_are_marked(SD_task_t task){ - for (SD_task_t it : *task->successors) - if (it->marked == 0) - return false; - for (SD_task_t it : *task->outputs) - if (it->marked == 0) - return false; - return true; + return std::none_of(task->successors->begin(), task->successors->end(), + [](const SD_task_t& elm) { return not elm->marked; }) && + std::none_of(task->outputs->begin(), task->outputs->end(), + [](const SD_task_t& elm) { return not elm->marked; }); } static bool parents_are_marked(SD_task_t task){ - for (SD_task_t it : *task->predecessors) - if (it->marked == 0) - return false; - for (SD_task_t it : *task->inputs) - if (it->marked == 0) - return false; - return true; + return std::none_of(task->predecessors->begin(), task->predecessors->end(), + [](const SD_task_t& elm) { return not elm->marked; }) && + std::none_of(task->inputs->begin(), task->inputs->end(), [](const SD_task_t& elm) { return not elm->marked; }); } bool acyclic_graph_detail(xbt_dynar_t dag){ - unsigned int count, count_current=0; + unsigned int count; bool all_marked = true; SD_task_t task = nullptr; - xbt_dynar_t next = nullptr, current = xbt_dynar_new(sizeof(SD_task_t),nullptr); - + std::vector current; xbt_dynar_foreach(dag,count,task){ - if(task->kind == SD_TASK_COMM_E2E) - continue; - task->marked = 0; - if(task->successors->empty() && task->outputs->empty()) - xbt_dynar_push(current, &task); + if(task->kind != SD_TASK_COMM_E2E){ + if(task->successors->empty() && task->outputs->empty()) + current.push_back(task); + } } - //test if something has to be done for the next iteration - while(!xbt_dynar_is_empty(current)){ - next = xbt_dynar_new(sizeof(SD_task_t),nullptr); - //test if the current iteration is done - xbt_dynar_foreach(current,count_current,task){ - if (task == nullptr) - continue; - //push task in next - task->marked = 1; - for (SD_task_t it : *task->inputs){ - it->marked = 1; + while (not current.empty()) { + std::vector next; + for (auto const& t : current) { + //Mark task + t->marked = true; + for (SD_task_t const& input : *t->inputs) { + input->marked = true; // Inputs are communication, hence they can have only one predecessor - SD_task_t input_pred = *(it->predecessors->begin()); + SD_task_t input_pred = *(input->predecessors->begin()); if (children_are_marked(input_pred)) - xbt_dynar_push(next, &input_pred); + next.push_back(input_pred); } - for (SD_task_t it : *task->predecessors) { - if (children_are_marked(it)) - xbt_dynar_push(next, &it); + for (SD_task_t const& pred : *t->predecessors) { + if (children_are_marked(pred)) + next.push_back(pred); } } - xbt_dynar_free(¤t); + current.clear(); current = next; - next = nullptr; } - xbt_dynar_free(¤t); + all_marked = true; + //test if all tasks are marked xbt_dynar_foreach(dag,count,task){ - if(task->kind == SD_TASK_COMM_E2E) - continue; - //test if all tasks are marked - if(task->marked == 0){ + if (task->kind != SD_TASK_COMM_E2E && not task->marked) { XBT_WARN("the task %s is not marked",task->name); all_marked = false; break; } } - if(!all_marked){ - XBT_VERB("there is at least one cycle in your task graph"); - - current = xbt_dynar_new(sizeof(SD_task_t),nullptr); - xbt_dynar_foreach(dag,count,task){ - if(task->kind == SD_TASK_COMM_E2E) - continue; - if(task->predecessors->empty() && task->inputs->empty()){ - xbt_dynar_push(current, &task); - } - } + if (not all_marked) { + XBT_VERB("there is at least one cycle in your task graph"); xbt_dynar_foreach(dag,count,task){ - if(task->kind == SD_TASK_COMM_E2E) - continue; - if(task->predecessors->empty() && task->inputs->empty()){ - task->marked = 1; - xbt_dynar_push(current, &task); + if(task->kind != SD_TASK_COMM_E2E && task->predecessors->empty() && task->inputs->empty()){ + task->marked = true; + current.push_back(task); } } //test if something has to be done for the next iteration - while(!xbt_dynar_is_empty(current)){ - next = xbt_dynar_new(sizeof(SD_task_t),nullptr); + while (not current.empty()) { + std::vector next; //test if the current iteration is done - xbt_dynar_foreach(current,count_current,task){ - if (task == nullptr) - continue; - //push task in next - task->marked = 1; - for (SD_task_t it : *task->outputs) { - it->marked = 1; + for (auto const& t : current) { + t->marked = true; + for (SD_task_t const& output : *t->outputs) { + output->marked = true; // outputs are communication, hence they can have only one successor - SD_task_t output_succ = *(it->successors->begin()); + SD_task_t output_succ = *(output->successors->begin()); if (parents_are_marked(output_succ)) - xbt_dynar_push(next, &output_succ); + next.push_back(output_succ); } - for (SD_task_t it : *task->predecessors) { - if (parents_are_marked(it)) - xbt_dynar_push(next, &it); + for (SD_task_t const& succ : *t->successors) { + if (parents_are_marked(succ)) + next.push_back(succ); } - xbt_dynar_free(¤t); - current = next; - next = nullptr; } - xbt_dynar_free(¤t); - all_marked = true; - xbt_dynar_foreach(dag,count,task){ - if(task->kind == SD_TASK_COMM_E2E) - continue; - //test if all tasks are marked - if(task->marked == 0){ - XBT_WARN("the task %s is in a cycle",task->name); - all_marked = false; - } + current.clear(); + current = next; + } + + all_marked = true; + xbt_dynar_foreach(dag,count,task){ + if (task->kind != SD_TASK_COMM_E2E && not task->marked) { + XBT_WARN("the task %s is in a cycle",task->name); + all_marked = false; } } } @@ -168,41 +128,30 @@ bool acyclic_graph_detail(xbt_dynar_t dag){ static YY_BUFFER_STATE input_buffer; static xbt_dynar_t result; -static xbt_dict_t jobs; -static xbt_dict_t files; +static std::map jobs; +static std::map files; static SD_task_t current_job; -static SD_task_t root_task; -static SD_task_t end_task; - -static void dax_task_free(void *task) -{ - SD_task_destroy(static_cast(task)); -} /** @brief loads a DAX file describing a DAG - * + * * See https://confluence.pegasus.isi.edu/display/pegasus/WorkflowGenerator for more details. */ xbt_dynar_t SD_daxload(const char *filename) { - xbt_dict_cursor_t cursor; SD_task_t file; - char *name; - FILE *in_file = fopen(filename, "r"); + FILE* in_file = fopen(filename, "r"); xbt_assert(in_file, "Unable to open \"%s\"\n", filename); input_buffer = dax__create_buffer(in_file, 10); dax__switch_to_buffer(input_buffer); dax_lineno = 1; - result = xbt_dynar_new(sizeof(SD_task_t), dax_task_free); - files = xbt_dict_new_homogeneous(&dax_task_free); - jobs = xbt_dict_new_homogeneous(nullptr); - root_task = SD_task_create_comp_seq("root", nullptr, 0); + result = xbt_dynar_new(sizeof(SD_task_t), nullptr); + SD_task_t root_task = SD_task_create_comp_seq("root", nullptr, 0); /* by design the root task is always SCHEDULABLE */ SD_task_set_state(root_task, SD_SCHEDULABLE); xbt_dynar_push(result, &root_task); - end_task = SD_task_create_comp_seq("end", nullptr, 0); + SD_task_t end_task = SD_task_create_comp_seq("end", nullptr, 0); int res = dax_lex(); if (res != 0) @@ -210,7 +159,6 @@ xbt_dynar_t SD_daxload(const char *filename) dax__delete_buffer(input_buffer); fclose(in_file); dax_lex_destroy(); - xbt_dict_free(&jobs); /* And now, post-process the files. * We want a file task per pair of computation tasks exchanging the file. Duplicate on need @@ -218,43 +166,45 @@ xbt_dynar_t SD_daxload(const char *filename) * Files not consumed in the system are said to be consumed by end task (bottom of DAG). */ - xbt_dict_foreach(files, cursor, name, file) { + for (auto const& elm : files) { + file = elm.second; SD_task_t newfile; if (file->predecessors->empty()) { - for (SD_task_t it : *file->successors) { + for (SD_task_t const& it : *file->successors) { newfile = SD_task_create_comm_e2e(file->name, nullptr, file->amount); - SD_task_dependency_add(nullptr, nullptr, root_task, newfile); - SD_task_dependency_add(nullptr, nullptr, newfile, it); + SD_task_dependency_add(root_task, newfile); + SD_task_dependency_add(newfile, it); xbt_dynar_push(result, &newfile); } - } else if (file->successors->empty()) { - for (SD_task_t it : *file->predecessors){ + } + if (file->successors->empty()) { + for (SD_task_t const& it : *file->predecessors) { newfile = SD_task_create_comm_e2e(file->name, nullptr, file->amount); - SD_task_dependency_add(nullptr, nullptr, it, newfile); - SD_task_dependency_add(nullptr, nullptr, newfile, end_task); + SD_task_dependency_add(it, newfile); + SD_task_dependency_add(newfile, end_task); xbt_dynar_push(result, &newfile); } - } else { - for (SD_task_t it : *file->predecessors) { - for (SD_task_t it2 : *file->successors) { - if (it == it2) { - XBT_WARN ("File %s is produced and consumed by task %s." - "This loop dependency will prevent the execution of the task.", file->name, it->name); - } - newfile = SD_task_create_comm_e2e(file->name, nullptr, file->amount); - SD_task_dependency_add(nullptr, nullptr, it, newfile); - SD_task_dependency_add(nullptr, nullptr, newfile, it2); - xbt_dynar_push(result, &newfile); + } + for (SD_task_t const& it : *file->predecessors) { + for (SD_task_t const& it2 : *file->successors) { + if (it == it2) { + XBT_WARN("File %s is produced and consumed by task %s." + "This loop dependency will prevent the execution of the task.", + file->name, it->name); } + newfile = SD_task_create_comm_e2e(file->name, nullptr, file->amount); + SD_task_dependency_add(it, newfile); + SD_task_dependency_add(newfile, it2); + xbt_dynar_push(result, &newfile); } } + /* Free previous copy of the files */ + SD_task_destroy(file); } /* Push end task last */ xbt_dynar_push(result, &end_task); - /* Free previous copy of the files */ - xbt_dict_free(&files); unsigned int cpt; xbt_dynar_foreach(result, cpt, file) { if (SD_task_get_kind(file) == SD_TASK_COMM_E2E) { @@ -263,19 +213,20 @@ xbt_dynar_t SD_daxload(const char *filename) /* If some tasks do not take files as input, connect them to the root * if they don't produce files, connect them to the end node. */ - if ((file != root_task) && file->inputs->empty()) - SD_task_dependency_add(nullptr, nullptr, root_task, file); - if ((file != end_task) && file->outputs->empty()) - SD_task_dependency_add(nullptr, nullptr, file, end_task); + if ((file != root_task) && (file != end_task)) { + if (file->inputs->empty()) + SD_task_dependency_add(root_task, file); + if (file->outputs->empty()) + SD_task_dependency_add(file, end_task); + } } else { - THROW_IMPOSSIBLE; + THROW_IMPOSSIBLE; } } - if (!acyclic_graph_detail(result)) { - char* base = xbt_basename(filename); - XBT_ERROR("The DAX described in %s is not a DAG. It contains a cycle.", base); - free(base); + if (not acyclic_graph_detail(result)) { + XBT_ERROR("The DAX described in %s is not a DAG. It contains a cycle.", + simgrid::xbt::Path(filename).getBasename().c_str()); xbt_dynar_foreach(result, cpt, file) SD_task_destroy(file); xbt_dynar_free_container(&result); @@ -287,44 +238,57 @@ xbt_dynar_t SD_daxload(const char *filename) void STag_dax__adag() { - XBT_ATTRIB_UNUSED double version; - version = xbt_str_parse_double(A_dax__adag_version, "Parse error: %s is not a double"); - - xbt_assert(version == 2.1, "Expected version 2.1 in tag, got %f. Fix the parser or your file", version); + try { + double version = std::stod(std::string(A_dax__adag_version)); + xbt_assert(version == 2.1, "Expected version 2.1 in tag, got %f. Fix the parser or your file", version); + } catch (std::invalid_argument& ia) { + throw std::invalid_argument(std::string("Parse error: ") + A_dax__adag_version + " is not a double"); + } } void STag_dax__job() { - double runtime = xbt_str_parse_double(A_dax__job_runtime, "Parse error: %s is not a double"); - char *name = bprintf("%s@%s", A_dax__job_id, A_dax__job_name); - runtime *= 4200000000.; /* Assume that timings were done on a 4.2GFlops machine. I mean, why not? */ - XBT_DEBUG("See ",A_dax__job_id,A_dax__job_runtime,runtime); - current_job = SD_task_create_comp_seq(name, nullptr, runtime); - xbt_dict_set(jobs, A_dax__job_id, current_job, nullptr); - free(name); - xbt_dynar_push(result, ¤t_job); + try { + double runtime = std::stod(std::string(A_dax__job_runtime)); + + std::string name = std::string(A_dax__job_id) + "@" + A_dax__job_name; + runtime *= 4200000000.; /* Assume that timings were done on a 4.2GFlops machine. I mean, why not? */ + XBT_DEBUG("See ", A_dax__job_id, A_dax__job_runtime, runtime); + current_job = SD_task_create_comp_seq(name.c_str(), nullptr, runtime); + jobs.insert({A_dax__job_id, current_job}); + xbt_dynar_push(result, ¤t_job); + } catch (std::invalid_argument& ia) { + throw std::invalid_argument(std::string("Parse error: ") + A_dax__job_runtime + " is not a double"); + } } -void STag_dax__uses(void) +void STag_dax__uses() { - double size = xbt_str_parse_double(A_dax__uses_size, "Parse error: %s is not a double"); - int is_input = (A_dax__uses_link == A_dax__uses_link_input); + double size; + try { + size = std::stod(std::string(A_dax__uses_size)); + } catch (std::invalid_argument& ia) { + throw std::invalid_argument(std::string("Parse error: ") + A_dax__uses_size + " is not a double"); + } + bool is_input = (A_dax__uses_link == A_dax__uses_link_input); XBT_DEBUG("See ",A_dax__uses_file,(is_input?"in":"out")); - SD_task_t file = static_cast(xbt_dict_get_or_null(files, A_dax__uses_file)); - if (file == nullptr) { + auto it = files.find(A_dax__uses_file); + SD_task_t file; + if (it == files.end()) { file = SD_task_create_comm_e2e(A_dax__uses_file, nullptr, size); sd_global->initial_tasks->erase(file); - xbt_dict_set(files, A_dax__uses_file, file, nullptr); + files[A_dax__uses_file] = file; } else { + file = it->second; if (file->amount < size || file->amount > size) { XBT_WARN("Ignore file %s size redefinition from %.0f to %.0f", A_dax__uses_file, SD_task_get_amount(file), size); } } if (is_input) { - SD_task_dependency_add(nullptr, nullptr, file, current_job); + SD_task_dependency_add(file, current_job); } else { - SD_task_dependency_add(nullptr, nullptr, current_job, file); + SD_task_dependency_add(current_job, file); if ((file->predecessors->size() + file->inputs->size()) > 1) { XBT_WARN("File %s created at more than one location...", file->name); } @@ -334,9 +298,13 @@ void STag_dax__uses(void) static SD_task_t current_child; void STag_dax__child() { - current_child = static_cast(xbt_dict_get_or_null(jobs, A_dax__child_ref)); - xbt_assert(current_child != nullptr,"Parse error on line %d: Asked to add dependencies to the non-existent %s task", - dax_lineno, A_dax__child_ref); + auto job = jobs.find(A_dax__child_ref); + if (job != jobs.end()) { + current_child = job->second; + } else { + throw std::out_of_range(std::string("Parse error on line ") + std::to_string(dax_lineno) + + ": Asked to add dependencies to the non-existent " + A_dax__child_ref + "task"); + } } void ETag_dax__child() @@ -346,11 +314,16 @@ void ETag_dax__child() void STag_dax__parent() { - SD_task_t parent = static_cast(xbt_dict_get_or_null(jobs, A_dax__parent_ref)); - xbt_assert(parent != nullptr, "Parse error on line %d: Asked to add a dependency from %s to %s, but %s does not exist", - dax_lineno, current_child->name, A_dax__parent_ref, A_dax__parent_ref); - SD_task_dependency_add(nullptr, nullptr, parent, current_child); - XBT_DEBUG("Control-flow dependency from %s to %s", current_child->name, parent->name); + auto job = jobs.find(A_dax__parent_ref); + if (job != jobs.end()) { + SD_task_t parent = job->second; + SD_task_dependency_add(parent, current_child); + XBT_DEBUG("Control-flow dependency from %s to %s", current_child->name, parent->name); + } else { + throw std::out_of_range(std::string("Parse error on line ") + std::to_string(dax_lineno) + + ": Asked to add a dependency from " + current_child->name + " to " + A_dax__parent_ref + + ", but " + A_dax__parent_ref + " does not exist"); + } } void ETag_dax__adag()