COMPMID-3373: Async support to NEArithmetic* kernels/functions (Pt. 1)

Added support on NEArithmeticAddition and NEArithmeticSubtraction

Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Change-Id: Ifa805f8455ef6eff1ee627752dc1c7fe9740ec47
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/3451
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>

1 files changed, 62 insertions, 3 deletions

diff --git a/arm_compute/runtime/NEON/functions/NEArithmeticSubtraction.h b/arm_compute/runtime/NEON/functions/NEArithmeticSubtraction.h
index 31d1698aea..0bab911c1a 100644
--- a/arm_compute/runtime/NEON/functions/NEArithmeticSubtraction.h
+++ b/arm_compute/runtime/NEON/functions/NEArithmeticSubtraction.h
@@ -25,12 +25,52 @@
 #define ARM_COMPUTE_NEARITHMETICSUBTRACTION_H
 
 #include "arm_compute/core/Types.h"
-#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+#include "arm_compute/runtime/IFunction.h"
+#include "arm_compute/runtime/NEON/INEOperator.h"
 
 namespace arm_compute
 {
 class ITensor;
 
+namespace experimental
+{
+/** Basic function to run @ref NEArithmeticSubtractionKernel
+ *
+ * @note The tensor data type for the inputs must be U8/QASYMM8/S16/F16/F32.
+ * @note The function performs an arithmetic subtraction between two tensors.
+ *
+ *  This function calls the following kernels:
+ * -# @ref NEArithmeticSubtractionKernel
+ */
+class NEArithmeticSubtraction : public INEOperator
+{
+public:
+    /** Initialise the kernel's inputs, output and conversion policy.
+     *
+     * @param[in]  input1   First tensor input info. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/F16/F32
+     * @param[in]  input2   Second tensor input info. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/F16/F32
+     * @param[out] output   Output tensor info. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/F16/F32
+     * @param[in]  policy   Policy to use to handle overflow. Convert policy cannot be WRAP if datatype is quantized.
+     * @param[in]  act_info (Optional) Activation layer information in case of a fused activation. Currently not supported.
+     */
+    void configure(const ITensorInfo *input1, const ITensorInfo *input2, ITensorInfo *output, ConvertPolicy policy, const ActivationLayerInfo &act_info = ActivationLayerInfo());
+    /** Static function to check if given info will lead to a valid configuration of @ref NEArithmeticSubtraction
+     *
+     * @param[in] input1   First tensor input. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/S16/F16/F32
+     * @param[in] input2   Second tensor input. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/S16/F16/F32
+     * @param[in] output   Output tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/S16/F16/F32
+     * @param[in] policy   Policy to use to handle overflow. Convert policy cannot be WRAP if datatype is quantized.
+     * @param[in] act_info (Optional) Activation layer information in case of a fused activation. Currently not supported.
+     *
+     * @return a status
+     */
+    static Status validate(const ITensorInfo *input1, const ITensorInfo *input2, const ITensorInfo *output, ConvertPolicy policy, const ActivationLayerInfo &act_info = ActivationLayerInfo());
+
+    // Inherited methods overridden:
+    MemoryRequirements workspace() const override;
+};
+} // namespace experimental
+
 /** Basic function to run @ref NEArithmeticSubtractionKernel
  *
  * @note The tensor data type for the inputs must be U8/QASYMM8/S16/F16/F32.
@@ -39,9 +79,21 @@ class ITensor;
  *  This function calls the following kernels:
  * -# @ref NEArithmeticSubtractionKernel
  */
-class NEArithmeticSubtraction : public INESimpleFunction
+class NEArithmeticSubtraction : public IFunction
 {
 public:
+    /** Default Constructor */
+    NEArithmeticSubtraction();
+    /** Default Destructor */
+    ~NEArithmeticSubtraction();
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    NEArithmeticSubtraction(const NEArithmeticSubtraction &) = delete;
+    /** Default move constructor */
+    NEArithmeticSubtraction(NEArithmeticSubtraction &&);
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    NEArithmeticSubtraction &operator=(const NEArithmeticSubtraction &) = delete;
+    /** Default move assignment operator */
+    NEArithmeticSubtraction &operator=(NEArithmeticSubtraction &&);
     /** Initialise the kernel's inputs, output and conversion policy.
      *
      * @param[in]  input1   First tensor input. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/F16/F32
@@ -50,7 +102,7 @@ public:
      * @param[in]  policy   Policy to use to handle overflow. Convert policy cannot be WRAP if datatype is quantized.
      * @param[in]  act_info (Optional) Activation layer information in case of a fused activation. Currently not supported.
      */
-    void configure(ITensor *input1, ITensor *input2, ITensor *output, ConvertPolicy policy, const ActivationLayerInfo &act_info = ActivationLayerInfo());
+    void configure(const ITensor *input1, const ITensor *input2, ITensor *output, ConvertPolicy policy, const ActivationLayerInfo &act_info = ActivationLayerInfo());
     /** Static function to check if given info will lead to a valid configuration of @ref NEArithmeticSubtraction
      *
      * @param[in] input1   First tensor input. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/S16/F16/F32
@@ -62,6 +114,13 @@ public:
      * @return a status
      */
     static Status validate(const ITensorInfo *input1, const ITensorInfo *input2, const ITensorInfo *output, ConvertPolicy policy, const ActivationLayerInfo &act_info = ActivationLayerInfo());
+
+    // Inherited methods overridden:
+    void run() override;
+
+private:
+    struct Impl;
+    std::unique_ptr<Impl> _impl;
 };
 } // namespace arm_compute
 #endif /* ARM_COMPUTE_NEARITHMETICSUBTRACTION_H */