COMPMID-3712 Remove OpenCL padding: CLDepthwiseConvolutionLayer3x3NHWCKernel FP16/32

Removed unused N from partial block loading macro
Created utility to assert change in padding

Signed-off-by: Giorgio Arena <giorgio.arena@arm.com>
Change-Id: Ifdd30c66dbf5f2842c6b2d939000613d5011708e
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4192
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

3 files changed, 40 insertions, 1 deletions

diff --git a/arm_compute/core/CL/kernels/CLDepthwiseConvolutionLayer3x3NHWCKernel.h b/arm_compute/core/CL/kernels/CLDepthwiseConvolutionLayer3x3NHWCKernel.h
index 4ca6c0bf4a..db57439de0 100644
--- a/arm_compute/core/CL/kernels/CLDepthwiseConvolutionLayer3x3NHWCKernel.h
+++ b/arm_compute/core/CL/kernels/CLDepthwiseConvolutionLayer3x3NHWCKernel.h
@@ -107,7 +107,6 @@ public:
     BorderSize border_size() const override;
 
 private:
-    unsigned int _num_rows_processed_per_iteration;
     unsigned int _num_planes_processed_per_iteration;
 };
 } // namespace arm_compute
diff --git a/arm_compute/core/Types.h b/arm_compute/core/Types.h
index c0e0683fe6..42e42cc2d6 100644
--- a/arm_compute/core/Types.h
+++ b/arm_compute/core/Types.h
@@ -337,6 +337,28 @@ struct BorderSize
         return size;
     }
 
+    /** Check equality with another BorderSize struct
+     *
+     * @param[in] rhs other struct to check against
+     *
+     * @return true if they are equal
+     */
+    bool operator==(const BorderSize &rhs)
+    {
+        return (top == rhs.top) && (right == rhs.right) && (bottom == rhs.bottom) && (left == rhs.left);
+    }
+
+    /** Check non-equality with another BorderSize struct
+     *
+     * @param[in] rhs other struct to check against
+     *
+     * @return true if they are different
+     */
+    bool operator!=(const BorderSize &rhs)
+    {
+        return !(*this == rhs);
+    }
+
     /** Limit this border size.
      *
      * @param[in] limit Border size to limit this border size to.
diff --git a/arm_compute/core/Utils.h b/arm_compute/core/Utils.h
index d2bc50c7c6..590bdf93c0 100644
--- a/arm_compute/core/Utils.h
+++ b/arm_compute/core/Utils.h
@@ -38,11 +38,14 @@
 #include <sstream>
 #include <string>
 #include <type_traits>
+#include <unordered_map>
 #include <utility>
 #include <vector>
 
 namespace arm_compute
 {
+class ITensor;
+
 /** Calculate the rounded up quotient of val / m.
  *
  * @param[in] val Value to divide and round up.
@@ -1091,6 +1094,21 @@ std::string string_from_pixel_value(const PixelValue &value, const DataType data
  * @return DataType
  */
 DataType data_type_from_name(const std::string &name);
+/** Stores padding information before configuring a kernel
+ *
+ * @param[in] tensors list of tensors to store the padding info for
+ *
+ * @return An unordered map where each tensor pointer is paired with its original padding info
+ */
+std::unordered_map<const ITensor *, PaddingSize> get_padding_info(std::initializer_list<const ITensor *> tensors);
+/** Check if the previously stored padding info has changed after configuring a kernel
+ *
+ * @param[in] padding_map an unordered map where each tensor pointer is paired with its original padding info
+ *
+ * @return true if any of the tensors has changed its paddings
+ */
+bool has_padding_changed(const std::unordered_map<const ITensor *, PaddingSize> &padding_map);
+
 /** Input Stream operator for @ref DataType
  *
  * @param[in]  stream    Stream to parse