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List instead of vector for storing candidates

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This should be faster because appending to a list is O(1), and only amort. O(1)
when appending to a vector.
This commit is contained in:
Strahinja Val Markovic 2012-05-10 21:56:19 -07:00
parent 69c8afb251
commit ba76e3f6e6
2 changed files with 8 additions and 12 deletions
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16
cpp/ycm/Completer.cpp
View File

@ -110,16 +110,12 @@ void Completer::AddCandidatesToDatabase(
const std::string &filetype,
const std::string &filepath )
{
std::vector< const Candidate *> &candidates =
GetCandidateVector( filetype, filepath );
int num_candidates = new_candidates.size();
std::list< const Candidate *> &candidates =
GetCandidateList( filetype, filepath );
candidates.clear();
candidates.reserve( num_candidates );
for (int i = 0; i < num_candidates; ++i)
foreach ( const std::string &candidate_text, new_candidates )
{
const std::string &candidate_text = new_candidates[ i ];
const Candidate *&candidate = GetValueElseInsert( candidate_repository_,
candidate_text, NULL );
if ( !candidate )
@ -214,7 +210,7 @@ void Completer::ResultsForQueryAndType( const std::string &query,
}
std::vector< const Candidate* >& Completer::GetCandidateVector(
std::list< const Candidate* >& Completer::GetCandidateList(
const std::string &filetype,
const std::string &filepath )
{
@ -224,11 +220,11 @@ std::vector< const Candidate* >& Completer::GetCandidateVector(
if ( !path_to_candidates )
path_to_candidates.reset( new FilepathToCandidates() );
boost::shared_ptr< std::vector< const Candidate* > > &candidates =
boost::shared_ptr< std::list< const Candidate* > > &candidates =
(*path_to_candidates)[ filepath ];
if ( !candidates )
candidates.reset( new std::vector< const Candidate* >() );
candidates.reset( new std::list< const Candidate* >() );
return *candidates;
}

4
cpp/ycm/Completer.h
View File

@ -42,7 +42,7 @@ typedef boost::unordered_map< std::string, const Candidate* >
// filepath -> *( *candidate )
typedef boost::unordered_map< std::string,
boost::shared_ptr< std::vector< const Candidate* > > >
boost::shared_ptr< std::list< const Candidate* > > >
FilepathToCandidates;
// filetype -> *( filepath -> *( *candidate ) )
@ -95,7 +95,7 @@ private:
const std::string &filetype,
std::vector< Result > &results ) const;
std::vector< const Candidate* >& GetCandidateVector(
std::list< const Candidate* >& GetCandidateList(
const std::string &filetype,
const std::string &filepath );