diff options
| author | David Faure <david.faure@kdab.com> | 2014-09-07 01:18:22 +0200 |
|---|---|---|
| committer | David Faure <david.faure@kdab.com> | 2014-09-12 02:07:36 +0200 |
| commit | 31c6d9f04ba80e6776ae01cb0588e6bd228f7184 (patch) | |
| tree | 57d9af62890d4d3d922527251226e7c512777d69 /src/corelib/io/qtextstream_p.h | |
| parent | 66008040793f7e98f9cacd13271119b6b096d8bc (diff) | |
QTextStream: add fast path for writing char and QChar.
Avoids allocating a QString for every char being written out.
The benchmark went from 5.5 ms per iteration to 0.8 ms,
and from 40 million instructions to 6 million.
Found using Milian Wolff's heaptrack tool.
Change-Id: I1784c47b944454bc947a607a22c39d249372ed55
Reviewed-by: Adam Majer <adamm@zombino.com>
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Diffstat (limited to 'src/corelib/io/qtextstream_p.h')
| -rw-r--r-- | src/corelib/io/qtextstream_p.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/corelib/io/qtextstream_p.h b/src/corelib/io/qtextstream_p.h index ac6529e195..ea431a4620 100644 --- a/src/corelib/io/qtextstream_p.h +++ b/src/corelib/io/qtextstream_p.h @@ -174,7 +174,9 @@ public: bool getReal(double *f); inline void write(const QString &data); + inline void write(QChar ch); inline void putString(const QString &ch, bool number = false); + inline void putChar(QChar ch); void putNumber(qulonglong number, bool negative); // buffers |