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core(ipp): skip huge input in flip()

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- IPP/SSE4.2 works well
This commit is contained in:
Alexander Alekhin 2019-10-14 18:10:32 +03:00
parent dd4f591d54
commit 6a7d1c15d3
3 changed files with 22 additions and 1 deletions
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7
modules/core/src/copy.cpp
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@ -711,6 +711,13 @@ static bool ipp_flip(Mat &src, Mat &dst, int flip_mode)
#ifdef HAVE_IPP_IW
CV_INSTRUMENT_REGION_IPP();
// Details: https://github.com/opencv/opencv/issues/12943
if (flip_mode <= 0 /* swap rows */
&& cv::ipp::getIppTopFeatures() != ippCPUID_SSE42
&& (int64_t)(src.total()) * src.elemSize() >= CV_BIG_INT(0x80000000)/*2Gb*/
)
return false;
IppiAxis ippMode;
if(flip_mode < 0)
ippMode = ippAxsBoth;

13
modules/core/test/test_mat.cpp
View File

@ -2035,4 +2035,17 @@ TEST(Core_Eigen, eigen2cv_check_Mat_type)
}
#endif // HAVE_EIGEN
TEST(Mat, regression_12943) // memory usage: ~4.5 Gb
{
applyTestTag(CV_TEST_TAG_MEMORY_6GB);
const int width = 0x8000;
const int height = 0x10001;
cv::Mat src(height, width, CV_8UC1, Scalar::all(128));
cv::Mat dst;
cv::flip(src, dst, 0);
}
}} // namespace

3
modules/ts/src/ts_tags.cpp
View File

@ -46,7 +46,8 @@ static std::vector<std::string>& getTestTagsSkipList()
#if OPENCV_32BIT_CONFIGURATION
testSkipWithTags.push_back(CV_TEST_TAG_MEMORY_2GB);
#else
testSkipWithTags.push_back(CV_TEST_TAG_MEMORY_6GB);
if (!cvtest::runBigDataTests)
testSkipWithTags.push_back(CV_TEST_TAG_MEMORY_6GB);
#endif
testSkipWithTags.push_back(CV_TEST_TAG_VERYLONG);
#if defined(_DEBUG)