From: vbystricky <user@user-pc.(none)>
Date: Thu, 3 Jul 2014 11:50:56 +0000 (+0400)
Subject: Change groups count for Intel
X-Git-Tag: submit/tizen_ivi/20141117.190038~2^2~288^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=690c932d7f536b971879f8d901543843b2d13ac8;p=profile%2Fivi%2Fopencv.git

Change groups count for Intel
---

diff --git a/modules/core/src/stat.cpp b/modules/core/src/stat.cpp
index 3dd0428..48d8590 100644
--- a/modules/core/src/stat.cpp
+++ b/modules/core/src/stat.cpp
@@ -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),