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tdf#92456 improve VLOOKUP perf

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shave 5% of the time here - ref-counting triggered by copying
svl::SharedString is significant, so return by const&
instead of by value

Change-Id: Ic702632da45d75dddab33d6ce1e6f1097ff70de9
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/109900
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
This commit is contained in:
Noel Grandin 2021-01-25 14:43:05 +02:00 committed by Noel Grandin
parent 46e525c36e
commit aa98ed61a7
12 changed files with 40 additions and 36 deletions
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12
formula/source/core/api/token.cxx
View File

@ -209,10 +209,12 @@ void FormulaToken::SetDoubleType( sal_Int16 )
assert( !"virtual dummy called" );
}
svl::SharedString FormulaToken::GetString() const
const svl::SharedString INVALID_STRING;
const svl::SharedString & FormulaToken::GetString() const
{
SAL_WARN( "formula.core", "FormulaToken::GetString: virtual dummy called" );
return svl::SharedString(); // invalid string
return INVALID_STRING; // invalid string
}
void FormulaToken::SetString( const svl::SharedString& )
@ -1877,7 +1879,7 @@ FormulaToken* FormulaStringToken::Clone() const
return new FormulaStringToken(*this);
}
svl::SharedString FormulaStringToken::GetString() const
const svl::SharedString & FormulaStringToken::GetString() const
{
return maString;
}
@ -1903,7 +1905,7 @@ FormulaToken* FormulaStringOpToken::Clone() const
return new FormulaStringOpToken(*this);
}
svl::SharedString FormulaStringOpToken::GetString() const
const svl::SharedString & FormulaStringOpToken::GetString() const
{
return maString;
}
@ -1943,7 +1945,7 @@ bool FormulaErrorToken::operator==( const FormulaToken& r ) const
}
double FormulaMissingToken::GetDouble() const { return 0.0; }
svl::SharedString FormulaMissingToken::GetString() const
const svl::SharedString & FormulaMissingToken::GetString() const
{
return svl::SharedString::getEmptyString();
}

8
include/formula/token.hxx
View File

@ -181,7 +181,7 @@ public:
virtual double& GetDoubleAsReference();
virtual sal_Int16 GetDoubleType() const;
virtual void SetDoubleType( sal_Int16 nType );
virtual svl::SharedString GetString() const;
virtual const svl::SharedString & GetString() const;
virtual void SetString( const svl::SharedString& rStr );
virtual sal_uInt16 GetIndex() const;
virtual void SetIndex( sal_uInt16 n );
@ -320,7 +320,7 @@ public:
FormulaStringToken( const FormulaStringToken& r );
virtual FormulaToken* Clone() const override;
virtual svl::SharedString GetString() const override;
virtual const svl::SharedString & GetString() const override;
virtual void SetString( const svl::SharedString& rStr ) override;
virtual bool operator==( const FormulaToken& rToken ) const override;
};
@ -336,7 +336,7 @@ public:
FormulaStringOpToken( const FormulaStringOpToken& r );
virtual FormulaToken* Clone() const override;
virtual svl::SharedString GetString() const override;
virtual const svl::SharedString & GetString() const override;
virtual void SetString( const svl::SharedString& rStr ) override;
virtual bool operator==( const FormulaToken& rToken ) const override;
};
@ -391,7 +391,7 @@ public:
virtual FormulaToken* Clone() const override { return new FormulaMissingToken(*this); }
virtual double GetDouble() const override;
virtual svl::SharedString GetString() const override;
virtual const svl::SharedString & GetString() const override;
virtual bool operator==( const FormulaToken& rToken ) const override;
};

2
include/svl/sharedstring.hxx
View File

@ -21,7 +21,7 @@ class SVL_DLLPUBLIC SharedString
rtl_uString* mpDataIgnoreCase;
public:
static SharedString getEmptyString();
static const SharedString & getEmptyString();
SharedString();
SharedString( rtl_uString* pData, rtl_uString* pDataIgnoreCase );

6
sc/inc/formulacell.hxx
View File

@ -320,7 +320,7 @@ public:
bool IsValueNoError();
bool IsValueNoError() const;
double GetValue();
svl::SharedString GetString();
const svl::SharedString & GetString();
/**
* Get a numeric value without potentially triggering re-calculation.
@ -330,7 +330,7 @@ public:
/**
* Get a string value without potentially triggering re-calculation.
*/
svl::SharedString GetRawString() const;
const svl::SharedString & GetRawString() const;
const ScMatrix* GetMatrix();
bool GetMatrixOrigin( const ScDocument& rDoc, ScAddress& rPos ) const;
void GetResultDimensions( SCSIZE& rCols, SCSIZE& rRows );
@ -407,7 +407,7 @@ public:
void SetResultToken( const formula::FormulaToken* pToken );
svl::SharedString GetResultString() const;
const svl::SharedString & GetResultString() const;
bool HasHybridStringResult() const;

2
sc/inc/formularesult.hxx
View File

@ -185,7 +185,7 @@ public:
/** Return string if type formula::svString or formula::svHybridCell or formula::svMatrixCell and
upper left formula::svString, else empty string. */
svl::SharedString GetString() const;
const svl::SharedString & GetString() const;
/** Return matrix if type formula::svMatrixCell and ScMatrix present, else NULL. */
ScConstMatrixRef GetMatrix() const;

12
sc/inc/token.hxx
View File

@ -144,7 +144,7 @@ public:
ScExternalSingleRefToken & operator =(ScExternalSingleRefToken &&) = delete; // due to FormulaToken
virtual sal_uInt16 GetIndex() const override;
virtual svl::SharedString GetString() const override;
virtual const svl::SharedString & GetString() const override;
virtual const ScSingleRefData* GetSingleRef() const override;
virtual ScSingleRefData* GetSingleRef() override;
virtual bool operator==( const formula::FormulaToken& rToken ) const override;
@ -168,7 +168,7 @@ public:
ScExternalDoubleRefToken & operator =(ScExternalDoubleRefToken &&) = delete; // due to FormulaToken
virtual sal_uInt16 GetIndex() const override;
virtual svl::SharedString GetString() const override;
virtual const svl::SharedString & GetString() const override;
virtual const ScSingleRefData* GetSingleRef() const override;
virtual ScSingleRefData* GetSingleRef() override;
virtual const ScSingleRefData* GetSingleRef2() const override;
@ -195,7 +195,7 @@ public:
ScExternalNameToken & operator =(ScExternalNameToken &&) = delete; // due to FormulaToken
virtual sal_uInt16 GetIndex() const override;
virtual svl::SharedString GetString() const override;
virtual const svl::SharedString & GetString() const override;
virtual bool operator==( const formula::FormulaToken& rToken ) const override;
virtual FormulaToken* Clone() const override { return new ScExternalNameToken(*this); }
};
@ -286,7 +286,7 @@ public:
bool IsInherited() const { return bInherited; }
bool IsDisplayedAsString() const { return bDisplayedAsString; }
virtual double GetDouble() const override;
virtual svl::SharedString GetString() const override;
virtual const svl::SharedString & GetString() const override;
virtual bool operator==( const formula::FormulaToken& rToken ) const override;
virtual FormulaToken* Clone() const override { return new ScEmptyCellToken(*this); }
};
@ -306,7 +306,7 @@ public:
ScMatrixCellResultToken( const ScMatrixCellResultToken& );
virtual ~ScMatrixCellResultToken() override;
virtual double GetDouble() const override;
virtual svl::SharedString GetString() const override;
virtual const svl::SharedString & GetString() const override;
virtual const ScMatrix* GetMatrix() const override;
virtual bool operator==( const formula::FormulaToken& rToken ) const override;
virtual FormulaToken* Clone() const override;
@ -391,7 +391,7 @@ public:
bool IsEmptyDisplayedAsString() const { return mbEmptyDisplayedAsString; }
virtual double GetDouble() const override;
virtual svl::SharedString GetString() const override;
virtual const svl::SharedString & GetString() const override;
virtual bool operator==( const formula::FormulaToken& rToken ) const override;
virtual FormulaToken* Clone() const override { return new ScHybridCellToken(*this); }
};

6
sc/source/core/data/formulacell.cxx
View File

@ -2616,7 +2616,7 @@ void ScFormulaCell::SetResultToken( const formula::FormulaToken* pToken )
aResult.SetToken(pToken);
}
svl::SharedString ScFormulaCell::GetResultString() const
const svl::SharedString & ScFormulaCell::GetResultString() const
{
return aResult.GetString();
}
@ -2795,7 +2795,7 @@ double ScFormulaCell::GetValue()
return GetRawValue();
}
svl::SharedString ScFormulaCell::GetString()
const svl::SharedString & ScFormulaCell::GetString()
{
MaybeInterpret();
return GetRawString();
@ -2809,7 +2809,7 @@ double ScFormulaCell::GetRawValue() const
return 0.0;
}
svl::SharedString ScFormulaCell::GetRawString() const
const svl::SharedString & ScFormulaCell::GetRawString() const
{
if ((pCode->GetCodeError() == FormulaError::NONE) &&
aResult.GetResultError() == FormulaError::NONE)

2
sc/source/core/inc/interpre.hxx
View File

@ -1025,7 +1025,7 @@ public:
FormulaError GetError() const { return nGlobalError; }
formula::StackVar GetResultType() const { return xResult->GetType(); }
svl::SharedString GetStringResult() const;
const svl::SharedString & GetStringResult() const;
double GetNumResult() const { return xResult->GetDouble(); }
const formula::FormulaConstTokenRef& GetResultToken() const { return xResult; }
SvNumFormatType GetRetFormatType() const { return nRetFmtType; }

2
sc/source/core/tool/formularesult.cxx
View File

@ -511,7 +511,7 @@ double ScFormulaResult::GetDouble() const
return mfValue;
}
svl::SharedString ScFormulaResult::GetString() const
const svl::SharedString & ScFormulaResult::GetString() const
{
if (mbToken && mpToken)
{

2
sc/source/core/tool/interpr4.cxx
View File

@ -4747,7 +4747,7 @@ void ScInterpreter::AssertFormulaMatrix()
bMatrixFormula = true;
}
svl::SharedString ScInterpreter::GetStringResult() const
const svl::SharedString & ScInterpreter::GetStringResult() const
{
return xResult->GetString();
}

12
sc/source/core/tool/token.cxx
View File

@ -727,7 +727,7 @@ sal_uInt16 ScExternalSingleRefToken::GetIndex() const
return mnFileId;
}
svl::SharedString ScExternalSingleRefToken::GetString() const
const svl::SharedString & ScExternalSingleRefToken::GetString() const
{
return maTabName;
}
@ -773,7 +773,7 @@ sal_uInt16 ScExternalDoubleRefToken::GetIndex() const
return mnFileId;
}
svl::SharedString ScExternalDoubleRefToken::GetString() const
const svl::SharedString & ScExternalDoubleRefToken::GetString() const
{
return maTabName;
}
@ -836,7 +836,7 @@ sal_uInt16 ScExternalNameToken::GetIndex() const
return mnFileId;
}
svl::SharedString ScExternalNameToken::GetString() const
const svl::SharedString & ScExternalNameToken::GetString() const
{
return maName;
}
@ -956,7 +956,7 @@ ScJumpMatrixToken::~ScJumpMatrixToken()
double ScEmptyCellToken::GetDouble() const { return 0.0; }
svl::SharedString ScEmptyCellToken::GetString() const
const svl::SharedString & ScEmptyCellToken::GetString() const
{
return svl::SharedString::getEmptyString();
}
@ -977,7 +977,7 @@ double ScMatrixCellResultToken::GetDouble() const { return xUpperLeft-
ScMatrixCellResultToken::~ScMatrixCellResultToken() {}
svl::SharedString ScMatrixCellResultToken::GetString() const
const svl::SharedString & ScMatrixCellResultToken::GetString() const
{
return xUpperLeft->GetString();
}
@ -1113,7 +1113,7 @@ ScHybridCellToken::ScHybridCellToken(
double ScHybridCellToken::GetDouble() const { return mfDouble; }
svl::SharedString ScHybridCellToken::GetString() const
const svl::SharedString & ScHybridCellToken::GetString() const
{
return maString;
}

10
svl/source/misc/sharedstring.cxx
View File

@ -11,13 +11,15 @@
namespace svl {
SharedString SharedString::getEmptyString()
/** ref-counting traffic associated with SharedString temporaries can be significant, so use a singleton here, so we can return a const& from getEmptyString */
static OUString EMPTY(u"");
const SharedString EMPTY_SHARED_STRING(EMPTY.pData, EMPTY.pData);
const SharedString & SharedString::getEmptyString()
{
// unicode string array for empty string is globally shared in OUString.
// Let's take advantage of that.
rtl_uString* pData = nullptr;
rtl_uString_new(&pData);
return SharedString(pData, pData);
return EMPTY_SHARED_STRING;
}
SharedString::SharedString() : mpData(nullptr), mpDataIgnoreCase(nullptr) {}