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Some of them do not compile:
tst_bench_qresourcesmanager.cpp(115) : error C2039: 'time' : is not a
member of 'std'
For now let's just skip them in wince builds.
Change-Id: Id58ef24431abeb2916836e7ab5a9a05f8c8eeb01
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
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As for preparation for Qt5.5 release the copyright header is
updated to correspond the current license requirements.
Change-Id: I36632918b66f455539453b42c369689fb11298ec
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
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Change-Id: I298fbaf819a118a5da4453082ec7f1484835480a
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>
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Once we are happy with the API we can make this public for a future
release.
Change-Id: I914f087e10adddbadac1649a8b889b9f53f82fd2
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>
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Results for instr:k perf counter on my machine are:
********* Start testing of tst_QFrameAllocator *********
Config: Using QtTest library 5.5.0, Qt 5.5.0 (x86_64-little_endian-lp64 shared (dynamic) release build; by GCC
4.9.2)
PASS : tst_QFrameAllocator::initTestCase()
PASS : tst_QFrameAllocator::benchmarkAllocateSmall()
RESULT : tst_QFrameAllocator::benchmarkAllocateSmall():
1,060,442 instructions per iteration (total: 1,060,442, iterations: 1)
PASS : tst_QFrameAllocator::benchmarkAllocateBig()
RESULT : tst_QFrameAllocator::benchmarkAllocateBig():
1,145,940 instructions per iteration (total: 1,145,940, iterations: 1)
PASS : tst_QFrameAllocator::benchmarkDeallocateSmall()
RESULT : tst_QFrameAllocator::benchmarkDeallocateSmall():
901,579 instructions per iteration (total: 901,579, iterations: 1)
PASS : tst_QFrameAllocator::benchmarkDeallocateBig()
RESULT : tst_QFrameAllocator::benchmarkDeallocateBig():
901,579 instructions per iteration (total: 901,579, iterations: 1)
PASS : tst_QFrameAllocator::benchmarkAllocateRaw()
RESULT : tst_QFrameAllocator::benchmarkAllocateRaw():
1,067,539 instructions per iteration (total: 1,067,539, iterations: 1)
PASS : tst_QFrameAllocator::benchmarkDeallocateRaw()
RESULT : tst_QFrameAllocator::benchmarkDeallocateRaw():
971,701 instructions per iteration (total: 971,701, iterations: 1)
PASS : tst_QFrameAllocator::cleanupTestCase()
Totals: 8 passed, 0 failed, 0 skipped, 0 blacklisted
********* Finished testing of tst_QFrameAllocator *********
Change-Id: Iae2bcd53d4efcff4b8486b4571dc1d1acfcbc19d
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
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The tricks applied are identical to those done previously for
ArrayAllocationPolicy:
We remove the obsolete hash for the index mapping and instead use
pointer differences directly, which is much faster and reduces
the memory consumption.
Some variables are also renamed to better reflect common allocator
nomenclature.
The added benchmark shows a reduction of the instruction count
by a factor of about 10.
Change-Id: Icabc354ab9e1e8ea0b1dc83c71a2f2cfe49d1da0
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
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Startup memory usage is now 10% of what it was before.
Unit tests corrected and benchmarks added.
Benchmarks:
DynamicArrayPolicy
QResourcesManager
Change-Id: Idaeedba5156ac2d6a0a494e7399d9dcb141dc81c
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>
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This is different to QtCore's QRingBuffer. QRingBuffer deals with
raw bytes with a non-contiguous list of QByteArrays. QCircularBuffer
is strongly typed and the data is guaranteed to be stored in a
contiguous block of memory. Although the start/end of the buffer
may not correspond to the start/end of the block of memory once it
has reached capacity and wraps around.
Done-with: Andreas Hartmetz and Marc Mutz
Change-Id: Id03ad308b13fb359604d19474d892ff22c1e9b93
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
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