From d556d7bafe6ad943f4aca0f5285ada7b8ce497f7 Mon Sep 17 00:00:00 2001
From: Michele Di Giorgio <michele.digiorgio@arm.com>
Date: Tue, 27 Oct 2020 10:56:31 +0000
Subject: Integrate improved pooling layer on NEON

Resolves COMPMID-4035

Change-Id: I559f8c4208fba9193dfe5012f03ddaf26c746215
Signed-off-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4855
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
---
 .../NEON/kernels/arm_conv/pooling/pooling_u8q.cpp  | 101 +++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 src/core/NEON/kernels/arm_conv/pooling/pooling_u8q.cpp

(limited to 'src/core/NEON/kernels/arm_conv/pooling/pooling_u8q.cpp')

diff --git a/src/core/NEON/kernels/arm_conv/pooling/pooling_u8q.cpp b/src/core/NEON/kernels/arm_conv/pooling/pooling_u8q.cpp
new file mode 100644
index 0000000000..41303fb418
--- /dev/null
+++ b/src/core/NEON/kernels/arm_conv/pooling/pooling_u8q.cpp
@@ -0,0 +1,101 @@
+/*
+ * 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 "arm_gemm_local.hpp"
+
+#include "pooling_implementation.hpp"
+#include "pooling_depthfirst_generic_quantized.hpp"
+
+#if defined(__aarch64__)
+#if defined(__ARM_FEATURE_SVE) && defined(SVE2)
+#include "kernels/sve_u8q_nhwc_avg_generic_depthfirst.hpp"
+#include "kernels/sve_u8q_nhwc_max_generic_depthfirst.hpp"
+#endif  // defined(__ARM_FEATURE_SVE) && defined(SVE2)
+#include "kernels/a64_u8q_nhwc_avg_generic_depthfirst.hpp"
+#include "kernels/a64_u8q_nhwc_max_generic_depthfirst.hpp"
+#endif  // defined(__aarch64__)
+
+#include <cstdint>
+
+namespace arm_conv {
+namespace pooling {
+
+static const PoolingImplementation<uint8_t, uint8_t, Requantize32> pooling_u8_methods[] = {
+#if defined(__aarch64__)
+#if defined(__ARM_FEATURE_SVE) && defined(SVE2)
+  {
+    PoolingMethod::DEPTHFIRST,
+    "sve_u8q_nhwc_avg_generic_depthfirst",
+    [] (const PoolingArgs &args, const Requantize32 &) -> bool {
+      return args.pool_type == PoolingType::AVERAGE;
+    },
+    nullptr,
+    [] (const PoolingArgs &args, const Requantize32 &rq) -> PoolingCommon<uint8_t, uint8_t, Requantize32> * {
+      return new PoolingDepthfirstGenericQuantized<sve_u8q_nhwc_avg_generic_depthfirst>(args, rq);
+    },
+  },
+  {
+    PoolingMethod::DEPTHFIRST,
+    "sve_u8q_nhwc_max_generic_depthfirst",
+    [] (const PoolingArgs &args, const Requantize32 &) -> bool { return args.pool_type == PoolingType::MAX; },
+    nullptr,
+    [] (const PoolingArgs &args, const Requantize32 &rq) -> PoolingCommon<uint8_t, uint8_t, Requantize32> * {
+      return new PoolingDepthfirstGenericQuantized<sve_u8q_nhwc_max_generic_depthfirst>(args, rq);
+    },
+  },
+#endif  // defined(__ARM_FEATURE_SVE) && defined(SVE2)
+  {
+    PoolingMethod::DEPTHFIRST,
+    "a64_u8q_nhwc_avg_generic_depthfirst",
+    [] (const PoolingArgs &args, const Requantize32 &) -> bool {
+      return args.pool_type == PoolingType::AVERAGE;
+    },
+    nullptr,
+    [] (const PoolingArgs &args, const Requantize32 &rq) -> PoolingCommon<uint8_t, uint8_t, Requantize32> * {
+      return new PoolingDepthfirstGenericQuantized<a64_u8q_nhwc_avg_generic_depthfirst>(args, rq);
+    },
+  },
+  {
+    PoolingMethod::DEPTHFIRST,
+    "a64_u8q_nhwc_max_generic_depthfirst",
+    [] (const PoolingArgs &args, const Requantize32 &) -> bool { return args.pool_type == PoolingType::MAX; },
+    nullptr,
+    [] (const PoolingArgs &args, const Requantize32 &rq) -> PoolingCommon<uint8_t, uint8_t, Requantize32> * {
+      return new PoolingDepthfirstGenericQuantized<a64_u8q_nhwc_max_generic_depthfirst>(args, rq);
+    },
+  },
+#endif  // defined(__aarch64__)
+  { PoolingMethod::DEFAULT, "", nullptr, nullptr, nullptr },  // End of list
+};
+
+template <>
+const PoolingImplementation<uint8_t, uint8_t, Requantize32> *pooling_implementation_list()
+{
+  return pooling_u8_methods;
+}
+
+template UniquePoolingCommon<uint8_t, uint8_t, Requantize32> pooling(const PoolingArgs &, const Requantize32 &);
+
+}  //  namespace pooling
+}  //  namespace arm_conv
-- 
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