diff options
| author | Mårten Nordheim <marten.nordheim@qt.io> | 2021-04-30 13:24:19 +0200 |
|---|---|---|
| committer | Mårten Nordheim <marten.nordheim@qt.io> | 2021-06-11 23:30:08 +0200 |
| commit | b24e689cb561d81745ff47a5ce4595b809923914 (patch) | |
| tree | cd1880b963222bffd350204ec62bee5bd39da511 /src/corelib/configure.json | |
| parent | de2c3ccd49cb89e0c6912da3b03705a36ef03946 (diff) | |
QLatin1String: optimize indexOf
Some time ago I wanted to use QStringTokenizer with a QL1S haystack and
needle to optimize a particular bottleneck. Only to realize the new
bottleneck was more expensive (continuously converting both the strings
to QString).
Change-Id: Ica86db0043c839c2336a3c3886ffbe3875659b5b
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Diffstat (limited to 'src/corelib/configure.json')
| -rw-r--r-- | src/corelib/configure.json | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/corelib/configure.json b/src/corelib/configure.json index 4643531135..c68c0cf4bf 100644 --- a/src/corelib/configure.json +++ b/src/corelib/configure.json @@ -282,6 +282,22 @@ "main": "std::mt19937 mt(0);" } }, + "cxx17_bm_searcher": { + "label": "C++17 boyer_moore_searcher", + "type": "compile", + "test": { + "include": [ "algorithm", "functional" ], + "main": [ + "const char haystack[] = \"hello\";", + "const char needle[] = \"e\";", + "const auto it =", + "std::search(haystack + 0, haystack + std::size(haystack),", + "std::boyer_moore_searcher(needle + 0, needle + std::size(needle)));", + "(void)it;" + ], + "qmake": "CONFIG += c++17" + } + }, "cxx17_filesystem": { "label": "C++17 <filesystem>", "type": "compile", @@ -543,6 +559,13 @@ "condition": "tests.cxx11_future", "output": [ "publicFeature" ] }, + "cxx17_bm_searcher": { + "label": "C++17 boyer_moore_searcher", + "condition": "tests.cxx17_bm_searcher", + "output": [ + "privateFeature" + ] + }, "cxx17_filesystem": { "label": "C++17 <filesystem>", "condition": "tests.cxx17_filesystem", |