potok/opencv
1
0
Fork 0
mirror of https://github.com/opencv/opencv.git synced 2026-07-31 08:13:04 +04:00
Code Packages Releases Wiki Activity

Merge remote-tracking branch 'upstream/3.4' into merge-3.4

Browse Source
This commit is contained in:
Alexander Alekhin
2020-12-04 18:25:32 +00:00
parent 22d64ae08f 12a36b5a94
commit 6fdb7aee84
51 changed files with 2880 additions and 112 deletions
Download Patch File Download Diff File Expand all files Collapse all files
modules/core/src/count_non_zero.dispatch.cpp
+1 -3
View File
@@ -62,11 +62,9 @@ static bool ipp_countNonZero( Mat &src, int &res )
{
CV_INSTRUMENT_REGION_IPP();
#if defined __APPLE__ || (defined _MSC_VER && defined _M_IX86)
// see https://github.com/opencv/opencv/issues/17453
if (src.dims <= 2 && src.step > 520000)
if (src.dims <= 2 && src.step > 520000 && cv::ipp::getIppTopFeatures() == ippCPUID_SSE42)
return false;
#endif
#if IPP_VERSION_X100 < 201801
// Poor performance of SSE42
modules/core/src/norm.cpp
+2 -2
View File
@@ -152,10 +152,10 @@ float normL2Sqr_(const float* a, const float* b, int n)
{
v_float32 t0 = vx_load(a + j) - vx_load(b + j);
v_float32 t1 = vx_load(a + j + v_float32::nlanes) - vx_load(b + j + v_float32::nlanes);
v_float32 t2 = vx_load(a + j + 2 * v_float32::nlanes) - vx_load(b + j + 2 * v_float32::nlanes);
v_float32 t3 = vx_load(a + j + 3 * v_float32::nlanes) - vx_load(b + j + 3 * v_float32::nlanes);
v_d0 = v_muladd(t0, t0, v_d0);
v_float32 t2 = vx_load(a + j + 2 * v_float32::nlanes) - vx_load(b + j + 2 * v_float32::nlanes);
v_d1 = v_muladd(t1, t1, v_d1);
v_float32 t3 = vx_load(a + j + 3 * v_float32::nlanes) - vx_load(b + j + 3 * v_float32::nlanes);
v_d2 = v_muladd(t2, t2, v_d2);
v_d3 = v_muladd(t3, t3, v_d3);
}
modules/core/src/system.cpp
+9 -6
View File
@@ -2365,6 +2365,13 @@ public:
ippTopFeatures = ippCPUID_SSE42;
pIppLibInfo = ippiGetLibVersion();
// workaround: https://github.com/opencv/opencv/issues/12959
std::string ippName(pIppLibInfo->Name ? pIppLibInfo->Name : "");
if (ippName.find("SSE4.2") != std::string::npos)
{
ippTopFeatures = ippCPUID_SSE42;
}
}
public:
@@ -2396,16 +2403,12 @@ unsigned long long getIppFeatures()
#endif
}
unsigned long long getIppTopFeatures();
#ifdef HAVE_IPP
unsigned long long getIppTopFeatures()
{
#ifdef HAVE_IPP
return getIPPSingleton().ippTopFeatures;
#else
return 0;
#endif
}
#endif
void setIppStatus(int status, const char * const _funcname, const char * const _filename, int _line)
{