diff options
Diffstat (limited to 'tests/benchmarks/qstring/main.cpp')
| -rw-r--r-- | tests/benchmarks/qstring/main.cpp | 41 |
1 files changed, 30 insertions, 11 deletions
diff --git a/tests/benchmarks/qstring/main.cpp b/tests/benchmarks/qstring/main.cpp index c7962bd..cbbf0a1 100644 --- a/tests/benchmarks/qstring/main.cpp +++ b/tests/benchmarks/qstring/main.cpp @@ -74,8 +74,8 @@ void tst_QString::equals_data() const 64, 64, 64, 64, 64, 64, 64, 64, // 48 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, // 64 - 64, 64, 64, 64, 64, 64, 64, 64, - 96, 96, 96, 96, 96, 96, 96, 96 // 80 + 64, 64, 64, 64, 96, 96, 96, 96, + 64, 64, 96, 96, 96, 96, 96, 96 // 80 }, 0 }; const QChar *ptr = reinterpret_cast<const QChar *>(data.data); @@ -88,15 +88,34 @@ void tst_QString::equals_data() const QTest::newRow("same-string") << base << base; QTest::newRow("same-data") << base << QString::fromRawData(ptr, 64); - // don't use length > 64, since that crosses a cache line - QTest::newRow("aligned-odd") - << QString::fromRawData(ptr, 63) << QString::fromRawData(ptr + 2, 63); - QTest::newRow("aligned-even") - << QString::fromRawData(ptr, 64) << QString::fromRawData(ptr + 2, 64); - QTest::newRow("unaligned-even") - << QString::fromRawData(ptr, 63) << QString::fromRawData(ptr + 1, 63); - QTest::newRow("unaligned-odd") - << QString::fromRawData(ptr, 64) << QString::fromRawData(ptr + 1, 64); + // try to avoid crossing a cache line (that is, at ptr[64]) + QTest::newRow("aligned-aligned-4n") + << QString::fromRawData(ptr, 60) << QString::fromRawData(ptr + 2, 60); + QTest::newRow("aligned-unaligned-4n") + << QString::fromRawData(ptr, 60) << QString::fromRawData(ptr + 1, 60); + QTest::newRow("unaligned-unaligned-4n") + << QString::fromRawData(ptr + 1, 60) << QString::fromRawData(ptr + 3, 60); + + QTest::newRow("aligned-aligned-4n+1") + << QString::fromRawData(ptr, 61) << QString::fromRawData(ptr + 2, 61); + QTest::newRow("aligned-unaligned-4n+1") + << QString::fromRawData(ptr, 61) << QString::fromRawData(ptr + 1, 61); + QTest::newRow("unaligned-unaligned-4n+1") + << QString::fromRawData(ptr + 1, 61) << QString::fromRawData(ptr + 3, 61); + + QTest::newRow("aligned-aligned-4n-1") + << QString::fromRawData(ptr, 59) << QString::fromRawData(ptr + 2, 59); + QTest::newRow("aligned-unaligned-4n-1") + << QString::fromRawData(ptr, 59) << QString::fromRawData(ptr + 1, 59); + QTest::newRow("unaligned-unaligned-4n-1") + << QString::fromRawData(ptr + 1, 59) << QString::fromRawData(ptr + 3, 59); + + QTest::newRow("aligned-aligned-2n") + << QString::fromRawData(ptr, 58) << QString::fromRawData(ptr + 2, 58); + QTest::newRow("aligned-unaligned-2n") + << QString::fromRawData(ptr, 58) << QString::fromRawData(ptr + 1, 58); + QTest::newRow("unaligned-unaligned-2n") + << QString::fromRawData(ptr + 1, 58) << QString::fromRawData(ptr + 3, 58); } QTEST_MAIN(tst_QString) |