X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/862f2dd952fd94f506c357c0a9818cec8b08152b..614bd225f0d440c8285d735b2dbaf4090c04c838:/src/mc/mc_visited.cpp diff --git a/src/mc/mc_visited.cpp b/src/mc/mc_visited.cpp index f030a59e0a..05422974d9 100644 --- a/src/mc/mc_visited.cpp +++ b/src/mc/mc_visited.cpp @@ -117,147 +117,6 @@ VisitedPair::~VisitedPair() } } -/** - * \brief Find a suitable subrange of candidate duplicates for a given state - * \param list dynamic array of states/pairs with candidate duplicates of the current state; - * \param ref current state/pair; - * \param min (output) index of the beginning of the the subrange - * \param max (output) index of the enf of the subrange - * - * Given a suitably ordered array of states/pairs, this function extracts a subrange - * (with index *min <= i <= *max) with candidate duplicates of the given state/pair. - * This function uses only fast discriminating criterions and does not use the - * full state/pair comparison algorithms. - * - * The states/pairs in list MUST be ordered using a (given) weak order - * (based on nb_processes and heap_bytes_used). - * The subrange is the subrange of "equivalence" of the given state/pair. - */ -int get_search_interval(xbt_dynar_t list, void *ref, int *min, int *max) -{ - int cursor = 0, previous_cursor; - int nb_processes, heap_bytes_used, nb_processes_test, heap_bytes_used_test; - void *ref_test; - - if (_sg_mc_liveness) { - nb_processes = ((simgrid::mc::VisitedPair*) ref)->nb_processes; - heap_bytes_used = ((simgrid::mc::VisitedPair*) ref)->heap_bytes_used; - } else { - nb_processes = ((simgrid::mc::VisitedState*) ref)->nb_processes; - heap_bytes_used = ((simgrid::mc::VisitedState*) ref)->heap_bytes_used; - } - - int start = 0; - int end = xbt_dynar_length(list) - 1; - - while (start <= end) { - cursor = (start + end) / 2; - if (_sg_mc_liveness) { - ref_test = (simgrid::mc::VisitedPair*) xbt_dynar_get_as(list, cursor, simgrid::mc::VisitedPair*); - nb_processes_test = ((simgrid::mc::VisitedPair*) ref_test)->nb_processes; - heap_bytes_used_test = ((simgrid::mc::VisitedPair*) ref_test)->heap_bytes_used; - } else { - ref_test = (simgrid::mc::VisitedState*) xbt_dynar_get_as(list, cursor, simgrid::mc::VisitedState*); - nb_processes_test = ((simgrid::mc::VisitedState*) ref_test)->nb_processes; - heap_bytes_used_test = ((simgrid::mc::VisitedState*) ref_test)->heap_bytes_used; - } - if (nb_processes_test < nb_processes) - start = cursor + 1; - else if (nb_processes_test > nb_processes) - end = cursor - 1; - else if (heap_bytes_used_test < heap_bytes_used) - start = cursor + 1; - else if (heap_bytes_used_test > heap_bytes_used) - end = cursor - 1; - else { - *min = *max = cursor; - previous_cursor = cursor - 1; - while (previous_cursor >= 0) { - if (_sg_mc_liveness) { - ref_test = (simgrid::mc::VisitedPair*) xbt_dynar_get_as(list, previous_cursor, simgrid::mc::VisitedPair*); - nb_processes_test = ((simgrid::mc::VisitedPair*) ref_test)->nb_processes; - heap_bytes_used_test = ((simgrid::mc::VisitedPair*) ref_test)->heap_bytes_used; - } else { - ref_test = (simgrid::mc::VisitedState*) xbt_dynar_get_as(list, previous_cursor, simgrid::mc::VisitedState*); - nb_processes_test = ((simgrid::mc::VisitedState*) ref_test)->nb_processes; - heap_bytes_used_test = ((simgrid::mc::VisitedState*) ref_test)->heap_bytes_used; - } - if (nb_processes_test != nb_processes || heap_bytes_used_test != heap_bytes_used) - break; - *min = previous_cursor; - previous_cursor--; - } - size_t next_cursor = cursor + 1; - while (next_cursor < xbt_dynar_length(list)) { - if (_sg_mc_liveness) { - ref_test = (simgrid::mc::VisitedPair*) xbt_dynar_get_as(list, next_cursor, simgrid::mc::VisitedPair*); - nb_processes_test = ((simgrid::mc::VisitedPair*) ref_test)->nb_processes; - heap_bytes_used_test = ((simgrid::mc::VisitedPair*) ref_test)->heap_bytes_used; - } else { - ref_test = (simgrid::mc::VisitedState*) xbt_dynar_get_as(list, next_cursor, simgrid::mc::VisitedState*); - nb_processes_test = ((simgrid::mc::VisitedState*) ref_test)->nb_processes; - heap_bytes_used_test = ((simgrid::mc::VisitedState*) ref_test)->heap_bytes_used; - } - if (nb_processes_test != nb_processes || heap_bytes_used_test != heap_bytes_used) - break; - *max = next_cursor; - next_cursor++; - } - return -1; - } - } - return cursor; -} - -// TODO, it would make sense to use std::set instead -template -int get_search_interval(std::vector> const& list, T *ref, int *min, int *max) -{ - int nb_processes = ref->nb_processes; - int heap_bytes_used = ref->heap_bytes_used; - - int cursor = 0; - int start = 0; - int end = list.size() - 1; - while (start <= end) { - cursor = (start + end) / 2; - int nb_processes_test = list[cursor]->nb_processes; - int heap_bytes_used_test = list[cursor]->heap_bytes_used; - - if (nb_processes_test < nb_processes) - start = cursor + 1; - else if (nb_processes_test > nb_processes) - end = cursor - 1; - else if (heap_bytes_used_test < heap_bytes_used) - start = cursor + 1; - else if (heap_bytes_used_test > heap_bytes_used) - end = cursor - 1; - else { - *min = *max = cursor; - int previous_cursor = cursor - 1; - while (previous_cursor >= 0) { - nb_processes_test = list[previous_cursor]->nb_processes; - heap_bytes_used_test = list[previous_cursor]->heap_bytes_used; - if (nb_processes_test != nb_processes || heap_bytes_used_test != heap_bytes_used) - break; - *min = previous_cursor; - previous_cursor--; - } - size_t next_cursor = cursor + 1; - while (next_cursor < list.size()) { - nb_processes_test = list[next_cursor]->nb_processes; - heap_bytes_used_test = list[next_cursor]->heap_bytes_used; - if (nb_processes_test != nb_processes || heap_bytes_used_test != heap_bytes_used) - break; - *max = next_cursor; - next_cursor++; - } - return -1; - } - } - return cursor; -} - static bool some_communications_are_not_finished() { @@ -302,7 +161,9 @@ std::unique_ptr is_visited_state(mc_state_t graph_sta int min = -1, max = -1, index; - index = get_search_interval(visited_states, new_state.get(), &min, &max); + index = simgrid::mc::get_search_interval( + visited_states.data(), visited_states.size(), + new_state.get(), &min, &max); if (min != -1 && max != -1) {