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Minor speedups in tgba_safra_complement().

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* src/tgba/tgbasafracomplement.cc (safra_tree:succ_create): Do not
lookup *i twice, and do not copy it->second.
(safra_tree::normalize_siblings): Do not lookup *node_it before
insertion.
This commit is contained in:
Alexandre Duret-Lutz 2012-01-17 18:07:47 +01:00
parent ebfec98e31
commit 578c5894f5
2 changed files with 20 additions and 11 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
2012-01-17 Alexandre Duret-Lutz <adl@lrde.epita.fr>
Minor speedups in tgba_safra_complement().
* src/tgba/tgbasafracomplement.cc (safra_tree:succ_create): Do not
lookup *i twice, and do not copy it->second.
(safra_tree::normalize_siblings): Do not lookup *node_it before
insertion.
2012-01-18 Alexandre Duret-Lutz <adl@lrde.epita.fr>
* src/eltlparse/eltlparse.yy (realias): Add a useless return to

12
src/tgba/tgbasafracomplement.cc
View file

@ -1,5 +1,5 @@
// Copyright (C) 2009, 2010, 2011 Laboratoire de Recherche et Développement
// de l'Epita (LRDE).
// Copyright (C) 2009, 2010, 2011, 2012 Laboratoire de Recherche et
// Développement de l'Epita (LRDE).
//
// This file is part of Spot, a model checking library.
//
@ -362,10 +362,11 @@ namespace spot
for (subset_t::iterator i = nodes.begin(); i != nodes.end(); ++i)
{
if (cache_transition.find(*i) == cache_transition.end())
cache_t::const_iterator it = cache_transition.find(*i);
if (it == cache_transition.end())
continue;
tr_cache_t transitions = cache_transition[*i];
const tr_cache_t& transitions = it->second;
for (tr_cache_t::const_iterator t_it = transitions.begin();
t_it != transitions.end();
++t_it)
@ -403,7 +404,7 @@ namespace spot
subset_t::iterator node_it = (*child_it)->nodes.begin();
while (node_it != (*child_it)->nodes.end())
{
if (node_set.find(*node_it) != node_set.end())
if (!node_set.insert(*node_it).second)
{
const state* s = *node_it;
(*child_it)->remove_node_from_children(*node_it);
@ -412,7 +413,6 @@ namespace spot
}
else
{
node_set.insert(*node_it);
++node_it;
}
}