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perf: Behavior Parameter memory savings (#1166)

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* Memory Savings Behavior Parameter table

* Update CDBehaviorParameterTable.h
This commit is contained in:
David Markowitz 2023-08-03 19:31:02 -07:00 committed by GitHub
parent a22ecf385f
commit 9a07020a51
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 26 additions and 30 deletions
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45
dDatabase/Tables/CDBehaviorParameterTable.cpp
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@ -1,26 +1,30 @@
#include "CDBehaviorParameterTable.h"
#include "GeneralUtils.h"
CDBehaviorParameterTable::CDBehaviorParameterTable(void) {
uint64_t GetHash(const uint32_t behaviorID, const uint32_t parameterID) {
uint64_t hash = behaviorID;
hash <<= 31U;
hash |= parameterID;
return hash;
}
CDBehaviorParameterTable::CDBehaviorParameterTable() {
auto tableData = CDClientDatabase::ExecuteQuery("SELECT * FROM BehaviorParameter");
uint32_t uniqueParameterId = 0;
uint64_t hash = 0;
while (!tableData.eof()) {
CDBehaviorParameter entry;
entry.behaviorID = tableData.getIntField("behaviorID", -1);
uint32_t behaviorID = tableData.getIntField("behaviorID", -1);
auto candidateStringToAdd = std::string(tableData.getStringField("parameterID", ""));
auto parameter = m_ParametersList.find(candidateStringToAdd);
uint32_t parameterId;
if (parameter != m_ParametersList.end()) {
entry.parameterID = parameter;
parameterId = parameter->second;
} else {
entry.parameterID = m_ParametersList.insert(std::make_pair(candidateStringToAdd, uniqueParameterId)).first;
uniqueParameterId++;
parameterId = m_ParametersList.insert(std::make_pair(candidateStringToAdd, m_ParametersList.size())).first->second;
}
hash = entry.behaviorID;
hash = (hash << 31U) | entry.parameterID->second;
entry.value = tableData.getFloatField("value", -1.0f);
uint64_t hash = GetHash(behaviorID, parameterId);
float value = tableData.getFloatField("value", -1.0f);
m_Entries.insert(std::make_pair(hash, entry));
m_Entries.insert(std::make_pair(hash, value));
tableData.nextRow();
}
@ -30,27 +34,22 @@ CDBehaviorParameterTable::CDBehaviorParameterTable(void) {
float CDBehaviorParameterTable::GetValue(const uint32_t behaviorID, const std::string& name, const float defaultValue) {
auto parameterID = this->m_ParametersList.find(name);
if (parameterID == this->m_ParametersList.end()) return defaultValue;
uint64_t hash = behaviorID;
hash = (hash << 31U) | parameterID->second;
auto hash = GetHash(behaviorID, parameterID->second);
// Search for specific parameter
const auto& it = m_Entries.find(hash);
return it != m_Entries.end() ? it->second.value : defaultValue;
auto it = m_Entries.find(hash);
return it != m_Entries.end() ? it->second : defaultValue;
}
std::map<std::string, float> CDBehaviorParameterTable::GetParametersByBehaviorID(uint32_t behaviorID) {
uint64_t hashBase = behaviorID;
std::map<std::string, float> returnInfo;
uint64_t hash;
for (auto& parameterCandidate : m_ParametersList) {
hash = (hashBase << 31U) | parameterCandidate.second;
for (auto& [parameterString, parameterId] : m_ParametersList) {
uint64_t hash = GetHash(hashBase, parameterId);
auto infoCandidate = m_Entries.find(hash);
if (infoCandidate != m_Entries.end()) {
returnInfo.insert(std::make_pair(infoCandidate->second.parameterID->first, infoCandidate->second.value));
returnInfo.insert(std::make_pair(parameterString, infoCandidate->second));
}
}
return returnInfo;
}

11
dDatabase/Tables/CDBehaviorParameterTable.h
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@ -5,18 +5,15 @@
#include <unordered_map>
#include <unordered_set>
struct CDBehaviorParameter {
unsigned int behaviorID; //!< The Behavior ID
std::unordered_map<std::string, uint32_t>::iterator parameterID; //!< The Parameter ID
float value; //!< The value of the behavior template
};
class CDBehaviorParameterTable : public CDTable<CDBehaviorParameterTable> {
private:
std::unordered_map<uint64_t, CDBehaviorParameter> m_Entries;
typedef uint64_t BehaviorParameterHash;
typedef float BehaviorParameterValue;
std::unordered_map<BehaviorParameterHash, BehaviorParameterValue> m_Entries;
std::unordered_map<std::string, uint32_t> m_ParametersList;
public:
CDBehaviorParameterTable();
float GetValue(const uint32_t behaviorID, const std::string& name, const float defaultValue = 0);
std::map<std::string, float> GetParametersByBehaviorID(uint32_t behaviorID);