From d227b12495bb88a78b98436eac38f240429dfa98 Mon Sep 17 00:00:00 2001 From: hjk Date: Tue, 2 Jun 2009 11:25:21 +0200 Subject: Add some comparisons with std::string to the QStringBuilder benchmarks. --- tests/benchmarks/qstringbuilder/main.cpp | 86 +++++++++++++++++++++++++------- 1 file changed, 68 insertions(+), 18 deletions(-) diff --git a/tests/benchmarks/qstringbuilder/main.cpp b/tests/benchmarks/qstringbuilder/main.cpp index d4e2fa0..8b769a6 100644 --- a/tests/benchmarks/qstringbuilder/main.cpp +++ b/tests/benchmarks/qstringbuilder/main.cpp @@ -1,6 +1,6 @@ // Select one of the scenarios below -#define SCENARIO 3 +#define SCENARIO 1 #if SCENARIO == 1 // this is the "no harm done" version. Only operator% is active, @@ -17,7 +17,7 @@ // this is the "full" version. Operator+ is replaced by a QStringBuilder // based version // with NO_CAST * defined -#define P % +#define P + #define QT_USE_FAST_OPERATOR_PLUS #define QT_USE_FAST_CONCATENATION #define QT_NO_CAST_FROM_ASCII @@ -38,7 +38,7 @@ // this is the "full" version. Operator+ is replaced by a QStringBuilder // based version // with NO_CAST * _not_ defined -#define P % +#define P + #define QT_USE_FAST_OPERATOR_PLUS #define QT_USE_FAST_CONCATENATION #undef QT_NO_CAST_FROM_ASCII @@ -53,6 +53,8 @@ #include +#include + #define COMPARE(a, b) QCOMPARE(a, b) //#define COMPARE(a, b) @@ -70,6 +72,7 @@ public: l1string(LITERAL), ba(LITERAL), string(l1string), + stdstring(LITERAL), stringref(&string, 2, 10), achar('c'), r2(QLatin1String(LITERAL LITERAL)), @@ -115,8 +118,9 @@ public: private slots: void separator_0() { - qDebug() << "\nIn each block the QStringBuilder based result appear first, " - "QStringBased second.\n"; + qDebug() << "\nIn each block the QStringBuilder based result appear first " + "(with a 'b_' prefix), QStringBased second ('q_' prefix), std::string " + "last ('s_' prefix)\n"; } void separator_1() { SEP("literal + literal (builder first)"); } @@ -131,7 +135,7 @@ private slots: COMPARE(r, r2); } #endif - void s_2_l1string() { + void q_2_l1string() { QBENCHMARK { r = l1string + l1string; } COMPARE(r, r2); } @@ -143,10 +147,14 @@ private slots: QBENCHMARK { r = string P string; } COMPARE(r, r2); } - void s_2_string() { + void q_2_string() { QBENCHMARK { r = string + string; } COMPARE(r, r2); } + void s_2_string() { + QBENCHMARK { stdr = stdstring + stdstring; } + COMPARE(stdr, stdstring + stdstring); + } void separator_2c() { SEP("2 string refs"); } @@ -155,7 +163,7 @@ private slots: QBENCHMARK { r = stringref % stringref; } COMPARE(r, QString(stringref.toString() + stringref.toString())); } - void s_2_stringref() { + void q_2_stringref() { QBENCHMARK { r = stringref.toString() + stringref.toString(); } COMPARE(r, QString(stringref % stringref)); } @@ -167,10 +175,30 @@ private slots: QBENCHMARK { r = string P string P string; } COMPARE(r, r3); } - void s_3_string() { + void q_3_string() { QBENCHMARK { r = string + string + string; } COMPARE(r, r3); } + void s_3_string() { + QBENCHMARK { stdr = stdstring + stdstring + stdstring; } + COMPARE(stdr, stdstring + stdstring + stdstring); + } + + void separator_2e() { SEP("4 strings"); } + + void b_4_string() { + QBENCHMARK { r = string P string P string P string; } + COMPARE(r, r4); + } + void q_4_string() { + QBENCHMARK { r = string + string + string + string; } + COMPARE(r, r4); + } + void s_4_string() { + QBENCHMARK { stdr = stdstring + stdstring + stdstring + stdstring; } + COMPARE(stdr, stdstring + stdstring + stdstring + stdstring); + } + void separator_2a() { SEP("string + literal (builder first)"); } @@ -193,14 +221,18 @@ private slots: QBENCHMARK { r = string P l1string; } COMPARE(r, r2); } - void s_string_l1literal() { + void q_string_l1literal() { QBENCHMARK { r = string + l1string; } COMPARE(r, r2); } - void s_string_l1string() { + void q_string_l1string() { QBENCHMARK { r = string + l1string; } COMPARE(r, r2); } + void s_LITERAL_string() { + QBENCHMARK { stdr = LITERAL + stdstring; } + COMPARE(stdr, stdstring + stdstring); + } void separator_3() { SEP("3 literals"); } @@ -209,10 +241,14 @@ private slots: QBENCHMARK { r = l1literal P l1literal P l1literal; } COMPARE(r, r3); } - void s_3_l1string() { + void q_3_l1string() { QBENCHMARK { r = l1string + l1string + l1string; } COMPARE(r, r3); } + void s_3_l1string() { + QBENCHMARK { stdr = stdstring + LITERAL + LITERAL; } + COMPARE(stdr, stdstring + stdstring + stdstring); + } void separator_4() { SEP("4 literals"); } @@ -221,7 +257,7 @@ private slots: QBENCHMARK { r = l1literal P l1literal P l1literal P l1literal; } COMPARE(r, r4); } - void s_4_l1string() { + void q_4_l1string() { QBENCHMARK { r = l1string + l1string + l1string + l1string; } COMPARE(r, r4); } @@ -234,7 +270,7 @@ private slots: COMPARE(r, r5); } - void s_5_l1string() { + void q_5_l1string() { QBENCHMARK { r = l1string + l1string + l1string + l1string + l1string; } COMPARE(r, r5); } @@ -247,11 +283,16 @@ private slots: COMPARE(r, QString(string P achar P achar P achar P achar)); } - void s_string_4_char() { + void q_string_4_char() { QBENCHMARK { r = string + achar + achar + achar + achar; } COMPARE(r, QString(string P achar P achar P achar P achar)); } + void s_string_4_char() { + QBENCHMARK { stdr = stdstring + 'c' + 'c' + 'c' + 'c'; } + COMPARE(stdr, stdstring + 'c' + 'c' + 'c' + 'c'); + } + void separator_7() { SEP("char + string + char"); } @@ -260,11 +301,17 @@ private slots: COMPARE(r, QString(achar P string P achar)); } - void s_char_string_char() { + void q_char_string_char() { QBENCHMARK { r = achar + string + achar; } COMPARE(r, QString(achar P string P achar)); } + void s_char_string_char() { + QBENCHMARK { stdr = 'c' + stdstring + 'c'; } + COMPARE(stdr, 'c' + stdstring + 'c'); + } + + void separator_8() { SEP("string.arg"); } void b_string_arg() { @@ -273,13 +320,13 @@ private slots: COMPARE(r, r3); } - void s_string_arg() { + void q_string_arg() { const QString pattern = l1string + QLatin1String("%1") + l1string; QBENCHMARK { r = pattern.arg(string); } COMPARE(r, r3); } - void s_bytearray_arg() { + void q_bytearray_arg() { QByteArray result; QBENCHMARK { result = ba + ba + ba; } } @@ -331,11 +378,14 @@ private: const QLatin1String l1string; const QByteArray ba; const QString string; + const std::string stdstring; const QStringRef stringref; const QLatin1Char achar; const QString r2, r3, r4, r5; + // short cuts for results QString r; + std::string stdr; }; -- cgit v0.12