heuristic for Intel

1e5694e0 · Ilya Lavrenov · eba1be71 · 1e5694e0
Commit 1e5694e0 authored May 12, 2014 by Ilya Lavrenov
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ocl.cpp modules/core/src/ocl.cpp +6 -0

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--- a/modules/core/src/ocl.cpp
+++ b/modules/core/src/ocl.cpp
@@ -4414,6 +4414,12 @@ int predictOptimalVectorWidth(InputArray src1, InputArray src2, InputArray src3,
        d.preferredVectorWidthShort(), d.preferredVectorWidthShort(),
        d.preferredVectorWidthInt(), d.preferredVectorWidthFloat(),
        d.preferredVectorWidthDouble(), -1 }, width = vectorWidths[depth];
+    if (d.isIntel())
+    {
+        // it's heuristic
+        int vectorWidthsIntel[] = { 16, 16, 8, 8, 1, 1, 1, -1 };
+        width = vectorWidthsIntel[depth];
+    }

    if (ssize.width * cn < width || width <= 0)
        return 1;