Add experimental PostOp interface to ClGemmMatrixMultiplyReshapedKernel Part 1

This interface supports the fusion of multiple elementwise operations

Partially resolves: COMPMID-4435

Change-Id: If68dd7dd98dcf239fde7cb1f0a4a6d4d1e899a6f
Signed-off-by: SiCongLi <sicong.li@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/6483
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

2 files changed, 123 insertions, 0 deletions

diff --git a/tests/validation/reference/PostOps.cpp b/tests/validation/reference/PostOps.cpp
new file mode 100644
index 0000000000..1a8fb990c8
--- /dev/null
+++ b/tests/validation/reference/PostOps.cpp
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2021 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "PostOps.h"
+
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/Types.h"
+#include "src/core/experimental/PostOp.h"
+#include "tests/validation/reference/ActivationLayer.h"
+#include "tests/validation/reference/ElementwiseOperations.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace reference
+{
+template <typename T, typename std::enable_if<is_floating_point<T>::value, int>::type>
+SimpleTensor<T> post_ops(const SimpleTensor<T> &a, experimental::PostOpList<SimpleTensor<T>> post_ops)
+{
+    // Create reference
+    SimpleTensor<T> dst{ a };
+
+    for(auto &post_op : post_ops.get_list())
+    {
+        switch(post_op->type())
+        {
+            case experimental::PostOpType::Activation:
+            {
+                const auto _post_op = utils::cast::polymorphic_downcast<const experimental::PostOpAct<SimpleTensor<T>> *>(post_op.get());
+                dst                 = reference::activation_layer(dst, _post_op->_act_info);
+                break;
+            }
+            case experimental::PostOpType::Eltwise_Add:
+            {
+                const auto _post_op = utils::cast::polymorphic_downcast<const experimental::PostOpEltwiseAdd<SimpleTensor<T>> *>(post_op.get());
+                dst                 = reference::arithmetic_operation(ArithmeticOperation::ADD, dst, _post_op->_addend, dst, _post_op->_policy);
+                break;
+            }
+            default:
+            {
+                ARM_COMPUTE_ERROR("Unsupported PostOpType");
+            }
+        }
+    }
+    return dst;
+}
+
+template SimpleTensor<float> post_ops(const SimpleTensor<float> &a, experimental::PostOpList<SimpleTensor<float>> post_ops);
+template SimpleTensor<half> post_ops(const SimpleTensor<half> &a, experimental::PostOpList<SimpleTensor<half>> post_ops);
+} // namespace reference
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
\ No newline at end of file
diff --git a/tests/validation/reference/PostOps.h b/tests/validation/reference/PostOps.h
new file mode 100644
index 0000000000..5fe0fe71f5
--- /dev/null
+++ b/tests/validation/reference/PostOps.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2021 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef ARM_COMPUTE_TEST_POSTOPS_H
+#define ARM_COMPUTE_TEST_POSTOPS_H
+
+#include "arm_compute/core/experimental/IPostOp.h"
+#include "tests/SimpleTensor.h"
+#include "tests/validation/Helpers.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace reference
+{
+/** (EXPERIMENTAL_POST_OPS) */
+template <typename T, typename std::enable_if<is_floating_point<T>::value, int>::type = 0>
+SimpleTensor<T> post_ops(const SimpleTensor<T> &a, experimental::PostOpList<SimpleTensor<T>> post_ops);
+
+} // namespace reference
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_TEST_POSTOPS_H */