COMPMID-3373: Async support to NEArithmetic* kernels/functions (Pt. 2)

Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Change-Id: Iec06adb535aaf7efb1838d921e8d6bb978b7b215
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/3498
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/arm_compute/runtime/NEON/functions/NEPixelWiseMultiplication.h b/arm_compute/runtime/NEON/functions/NEPixelWiseMultiplication.h
index d84dff2..3b12093 100644
--- a/arm_compute/runtime/NEON/functions/NEPixelWiseMultiplication.h
+++ b/arm_compute/runtime/NEON/functions/NEPixelWiseMultiplication.h
@@ -25,15 +25,17 @@
 #define ARM_COMPUTE_NEPIXELWISEMULTIPLICATION_H
 
 #include "arm_compute/core/Types.h"
-#include "arm_compute/runtime/NEON/INESimpleFunction.h"
-#include "arm_compute/runtime/NEON/INESimpleFunctionNoBorder.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 NEPixelWiseMultiplicationKernel */
-class NEPixelWiseMultiplication : public INESimpleFunctionNoBorder
+class NEPixelWiseMultiplication : public INEOperator
 {
 public:
     /** Initialise the kernel's inputs, output and convertion policy.
@@ -60,7 +62,7 @@
      * @param[in]      rounding_policy Rounding policy.
      * @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, float scale, ConvertPolicy overflow_policy, RoundingPolicy rounding_policy,
+    void configure(ITensorInfo *input1, ITensorInfo *input2, ITensorInfo *output, float scale, ConvertPolicy overflow_policy, RoundingPolicy rounding_policy,
                    const ActivationLayerInfo &act_info = ActivationLayerInfo());
     /** Static function to check if given info will lead to a valid configuration of @ref NEPixelWiseMultiplication
      *
@@ -88,10 +90,13 @@
      */
     static Status validate(const ITensorInfo *input1, const ITensorInfo *input2, const ITensorInfo *output, float scale, ConvertPolicy overflow_policy, RoundingPolicy rounding_policy,
                            const ActivationLayerInfo &act_info = ActivationLayerInfo());
+
+    // Inherited methods overridden:
+    MemoryRequirements workspace() const override;
 };
 
 /** Basic function to run @ref NEComplexPixelWiseMultiplicationKernel. */
-class NEComplexPixelWiseMultiplication : public INESimpleFunction
+class NEComplexPixelWiseMultiplication : public INEOperator
 {
 public:
     /** Initialise the kernel's inputs, output.
@@ -103,6 +108,123 @@
      * @param[out]     output   The output tensor. Data types supported: same as @p input1. Number of channels: same as @p input1.
      * @param[in]      act_info (Optional) Activation layer information in case of a fused activation. Currently not supported.
      */
+    void configure(ITensorInfo *input1, ITensorInfo *input2, ITensorInfo *output, const ActivationLayerInfo &act_info = ActivationLayerInfo());
+    /** Static function to check if given info will lead to a valid configuration of @ref NEComplexPixelWiseMultiplication
+     *
+     * @param[in] input1   An input tensor info. Data types supported: F32. Number of channels supported: 2 (complex tensor).
+     * @param[in] input2   An input tensor info. Data types supported: same as @p input1. Number of channels supported: same as @p input1.
+     * @param[in] output   The output tensor info. Data types supported: same as @p input1. Number of channels supported: same as @p input1.
+     * @param[in] act_info (Optional) Activation layer information in case of a fused activation. Currently not supported.
+     */
+    static Status validate(const ITensorInfo *input1, const ITensorInfo *input2, const ITensorInfo *output, const ActivationLayerInfo &act_info = ActivationLayerInfo());
+
+    // Inherited methods overridden:
+    MemoryRequirements workspace() const override;
+};
+} // namespace experimental
+
+/** Basic function to run @ref NEPixelWiseMultiplicationKernel */
+class NEPixelWiseMultiplication : public IFunction
+{
+public:
+    /** Default Constructor */
+    NEPixelWiseMultiplication();
+    /** Default Destructor */
+    ~NEPixelWiseMultiplication();
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    NEPixelWiseMultiplication(const NEPixelWiseMultiplication &) = delete;
+    /** Default move constructor */
+    NEPixelWiseMultiplication(NEPixelWiseMultiplication &&);
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    NEPixelWiseMultiplication &operator=(const NEPixelWiseMultiplication &) = delete;
+    /** Default move assignment operator */
+    NEPixelWiseMultiplication &operator=(NEPixelWiseMultiplication &&);
+    /** Initialise the kernel's inputs, output and convertion policy.
+     *
+     * @note For @p scale equal to 1/255 only round to nearest even (implemented as round half up) is supported.
+     *       For all other scale values only round to zero (implemented as round towards minus infinity) is supported.
+     *
+     * @param[in, out] input1          An input tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/S16/QSYMM16/F16/F32
+     *                                 This input tensor is [in, out] because its TensorInfo might be modified inside the kernel in case of broadcasting of dimension 0.
+     * @param[in, out] input2          An input tensor. Data types supported: U8, QASYMM8 (only if @p input1 is QASYMM8), QASYMM8_SIGNED (only if @p input1 is QASYMM8_SIGNED), S16, QSYMM16 (only if @p input1 is QSYMM16), F16 (only if @p input1 is F16), F32 (only if @p input1 is F32).
+     *                                 This input tensor is [in, out] because its TensorInfo might be modified inside the kernel in case of broadcasting of dimension 0.
+     * @param[out]     output          Output tensor. Data types supported:
+     *                                 - U8, only if both inputs are U8.
+     *                                 - QASYMM8, only if both inputs are QASYMM8.
+     *                                 - QASYMM8_SIGNED, only if @p input1 is QASYMM8_SIGNED.
+     *                                 - S16.
+     *                                 - QSYMM16, only if both inputs are QSYMM16.
+     *                                 - S32, only if both inputs are QSYMM16.
+     *                                 - F16, only if @p input1 is F16.
+     *                                 - F32, only if both inputs are F32.
+     * @param[in]      scale           Scale to apply after multiplication.
+     *                                 Scale must be positive and its value must be either 1/255 or 1/2^n where n is between 0 and 15.
+     * @param[in]      overflow_policy Overflow policy. ConvertPolicy cannot be WRAP if datatype is QASYMM8, QASYMM8_SIGNED or QSYMM16.
+     * @param[in]      rounding_policy Rounding policy.
+     * @param[in]      act_info        (Optional) Activation layer information in case of a fused activation. Currently not supported.
+     */
+    void configure(const ITensor *input1, const ITensor *input2, ITensor *output, float scale, ConvertPolicy overflow_policy, RoundingPolicy rounding_policy,
+                   const ActivationLayerInfo &act_info = ActivationLayerInfo());
+    /** Static function to check if given info will lead to a valid configuration of @ref NEPixelWiseMultiplication
+     *
+     * @note For @p scale equal to 1/255 only round to nearest even (implemented as round half up) is supported.
+     *       For all other scale values only round to zero (implemented as round towards minus infinity) is supported.
+     *
+     * @param[in] input1          An input tensor info. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/S16/QSYMM16/F16/F32
+     * @param[in] input2          An input tensor info. Data types supported: U8, QASYMM8 (only if @p input1 is QASYMM8), QASYMM8_SIGNED (only if @p input1 is QASYMM8_SIGNED), S16, QSYMM16 (only if both inputs are QSYMM16), F16 (only if @p input1 is F16), F32 (only if @p input1 is F32).
+     * @param[in] output          Output tensor info. Data types supported:
+     *                            - U8, only if both inputs are U8.
+     *                            - QASYMM8, only if both inputs are QASYMM8.
+     *                            - QASYMM8_SIGNED, only if @p input1 is QASYMM8_SIGNED.
+     *                            - S16.
+     *                            - QSYMM16, only if both inputs are QSYMM16.
+     *                            - S32, only if both inputs are QSYMM16.
+     *                            - F16, only if @p input1 is F16.
+     *                            - F32, only if both inputs are F32.
+     * @param[in] scale           Scale to apply after multiplication.
+     *                            Scale must be positive and its value must be either 1/255 or 1/2^n where n is between 0 and 15.
+     * @param[in] overflow_policy Overflow policy. ConvertPolicy cannot be WRAP if datatype is QASYMM8, QASYMM8_SIGNED or QSYMM16.
+     * @param[in] rounding_policy Rounding policy.
+     * @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, float scale, ConvertPolicy overflow_policy, RoundingPolicy rounding_policy,
+                           const ActivationLayerInfo &act_info = ActivationLayerInfo());
+
+    // Inherited methods overridden:
+    void run() override;
+
+private:
+    struct Impl;
+    std::unique_ptr<Impl> _impl;
+};
+
+/** Basic function to run @ref NEComplexPixelWiseMultiplicationKernel. */
+class NEComplexPixelWiseMultiplication : public IFunction
+{
+public:
+    /** Default Constructor */
+    NEComplexPixelWiseMultiplication();
+    /** Default Destructor */
+    ~NEComplexPixelWiseMultiplication();
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    NEComplexPixelWiseMultiplication(const NEComplexPixelWiseMultiplication &) = delete;
+    /** Default move constructor */
+    NEComplexPixelWiseMultiplication(NEComplexPixelWiseMultiplication &&);
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    NEComplexPixelWiseMultiplication &operator=(const NEComplexPixelWiseMultiplication &) = delete;
+    /** Default move assignment operator */
+    NEComplexPixelWiseMultiplication &operator=(NEComplexPixelWiseMultiplication &&);
+    /** Initialise the kernel's inputs, output.
+     *
+     * @param[in, out] input1   An input tensor. Data types supported: F32. Number of channels supported: 2 (complex tensor).
+     *                          The input tensor is [in, out] because its TensorInfo might be modified inside the kernel in case of broadcasting of dimension 0.
+     * @param[in, out] input2   An input tensor. Data types supported: same as @p input1. Number of channels supported: same as @p input1.
+     *                          The input tensor is [in, out] because its TensorInfo might be modified inside the kernel in case of broadcasting of dimension 0.
+     * @param[out]     output   The output tensor. Data types supported: same as @p input1. Number of channels: same as @p input1.
+     * @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, const ActivationLayerInfo &act_info = ActivationLayerInfo());
     /** Static function to check if given info will lead to a valid configuration of @ref NEComplexPixelWiseMultiplication
      *
@@ -112,6 +234,13 @@
      * @param[in] act_info (Optional) Activation layer information in case of a fused activation. Currently not supported.
      */
     static Status validate(const ITensorInfo *input1, const ITensorInfo *input2, const ITensorInfo *output, const ActivationLayerInfo &act_info = ActivationLayerInfo());
+
+    // Inherited methods overridden:
+    void run() override;
+
+private:
+    struct Impl;
+    std::unique_ptr<Impl> _impl;
 };
 }
 #endif /*ARM_COMPUTE_NEPIXELWISEMULTIPLICATION_H */