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Merge pull request #2935 from vbystricky:oclopt_meanStdDev

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This commit is contained in:
Alexander Alekhin 2014-07-11 14:53:46 +00:00
commit 0876ec7a67
1 changed files with 8 additions and 2 deletions
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10
modules/core/src/stat.cpp
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@ -918,8 +918,14 @@ static bool ocl_meanStdDev( InputArray _src, OutputArray _mean, OutputArray _sdv
int type = _src.type(), depth = CV_MAT_DEPTH(type), cn = CV_MAT_CN(type);
bool doubleSupport = ocl::Device::getDefault().doubleFPConfig() > 0,
isContinuous = _src.isContinuous();
int groups = ocl::Device::getDefault().maxComputeUnits();
size_t wgs = ocl::Device::getDefault().maxWorkGroupSize();
const ocl::Device &defDev = ocl::Device::getDefault();
int groups = defDev.maxComputeUnits();
if (defDev.isIntel())
{
static const int subSliceEUCount = 10;
groups = (groups / subSliceEUCount) * 2;
}
size_t wgs = defDev.maxWorkGroupSize();
int ddepth = std::max(CV_32S, depth), sqddepth = std::max(CV_32F, depth),
dtype = CV_MAKE_TYPE(ddepth, cn),