owen/lms
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Breakable training, added cache

Browse Source
This commit is contained in:
emeric
2019-02-27 13:57:43 +01:00
parent 6fcb693261
commit 11a0ed9f12
23 changed files with 632 additions and 288 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/similarity/features/SimilarityFeaturesSearcher.hpp
+18 -7
View File
@@ -24,6 +24,7 @@
#include "database/DatabaseHandler.hpp"
#include "database/Types.hpp"
#include "som/DataNormalizer.hpp"
#include "som/Network.hpp"
namespace Similarity {
@@ -32,7 +33,10 @@ class FeaturesSearcher
{
public:
FeaturesSearcher(Wt::Dbo::Session& session);
bool init(Wt::Dbo::Session& session, bool& stopRequested);
bool initFromCache(Wt::Dbo::Session& session);
static void invalidateCache();
std::vector<Database::IdType> getSimilarTracks(const std::set<Database::IdType>& tracksId, std::size_t maxCount) const;
std::vector<Database::IdType> getSimilarReleases(Database::IdType releaseId, std::size_t maxCount) const;
@@ -42,22 +46,29 @@ class FeaturesSearcher
private:
void init(Wt::Dbo::Session& session,
SOM::Network network,
std::map<Database::IdType, std::set<SOM::Position>> tracksPosition);
void saveToCache() const;
void clearCache() const;
std::vector<Database::IdType> getSimilarObjects(const std::set<Database::IdType>& ids,
const SOM::Matrix<std::set<Database::IdType>>& objectsMap,
const std::map<Database::IdType, std::set<SOM::Coords>>& objectCoords,
const std::map<Database::IdType, std::set<SOM::Position>>& objectPosition,
std::size_t maxCount) const;
std::unique_ptr<SOM::Network> _network;
double _networkRefVectorsDistanceMedian = 0;
SOM::Network _network;
double _networkRefVectorsDistanceMedian = 0;
SOM::Matrix<std::set<Database::IdType>> _artistsMap;
std::map<Database::IdType, std::set<SOM::Coords>> _artistCoords;
std::map<Database::IdType, std::set<SOM::Position>> _artistPosition;
SOM::Matrix<std::set<Database::IdType>> _releasesMap;
std::map<Database::IdType, std::set<SOM::Coords>> _releaseCoords;
std::map<Database::IdType, std::set<SOM::Position>> _releasePosition;
SOM::Matrix<std::set<Database::IdType>> _tracksMap;
std::map<Database::IdType, std::set<SOM::Coords>> _trackCoords;
std::map<Database::IdType, std::set<SOM::Position>> _trackPosition;
};