1 files changed, 210 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/arm_conv/pooling/pooling_u8.cpp b/src/core/NEON/kernels/arm_conv/pooling/pooling_u8.cpp
new file mode 100644
index 0000000000..ee5a79b4ff
--- /dev/null
+++ b/src/core/NEON/kernels/arm_conv/pooling/pooling_u8.cpp
@@ -0,0 +1,210 @@
+/*
+ * Copyright (c) 2021-2022 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.hpp"
+#include "pooling_depthfirst_generic.hpp"
+
+#include "kernels/cpp_nhwc_1x1_stride_any_depthfirst.hpp"
+#if defined(__aarch64__)
+#if defined(ARM_COMPUTE_ENABLE_SME)
+#include "kernels/sme_u8_nhwc_avg_generic_depthfirst.hpp"
+#include "kernels/sme_u8_nhwc_max_2x2_s1_output2x2_depthfirst.hpp"
+#include "kernels/sme_u8_nhwc_max_generic_depthfirst.hpp"
+#endif  // defined(ARM_COMPUTE_ENABLE_SME)
+#if defined(ARM_COMPUTE_ENABLE_SVE)
+#include "kernels/sve_u8_nhwc_avg_generic_depthfirst.hpp"
+#include "kernels/sve_u8_nhwc_max_2x2_s1_output2x2_depthfirst.hpp"
+#include "kernels/sve_u8_nhwc_max_generic_depthfirst.hpp"
+#endif  // defined(ARM_COMPUTE_ENABLE_SVE)
+#include "kernels/a64_u8_nhwc_max_2x2_s1_output2x2_depthfirst.hpp"
+#include "kernels/a64_u8_nhwc_avg_generic_depthfirst.hpp"
+#include "kernels/a64_u8_nhwc_max_generic_depthfirst.hpp"
+#endif  // defined(__aarch64__)
+
+#include <cstdint>
+
+namespace arm_conv {
+namespace pooling {
+
+static const PoolingImplementation<uint8_t, uint8_t> pooling_u8_methods[] = {
+  {
+    PoolingMethod::DEPTHFIRST,
+    "cpp_u8_nhwc_1x1_stride_any_depthfirst",
+    [] (const PoolingArgs &args, const Nothing &) -> bool {
+      return args.pool_window.rows == 1 && args.pool_window.cols == 1;
+    },
+    nullptr,
+    [] (const PoolingArgs &args, const Nothing &) -> PoolingCommon<uint8_t, uint8_t> * {
+      auto strat = new cpp_nhwc_1x1_stride_any_depthfirst<uint8_t>(args.cpu_info);
+      return new PoolingDepthfirstGeneric<uint8_t>(strat, args);
+    },
+  },
+#if defined(__aarch64__)
+#if defined(ARM_COMPUTE_ENABLE_SME)
+  {
+    PoolingMethod::DEPTHFIRST,
+    "sme_u8_nhwc_max_2x2_s1_output2x2_depthfirst",
+    [] (const PoolingArgs &args, const Nothing &os) -> bool {
+      return args.cpu_info->has_sme() &&
+             is_supported<sme_u8_nhwc_max_2x2_s1_output2x2_depthfirst>(args, os);
+    },
+    nullptr,
+    [] (const PoolingArgs &args, const Nothing &) -> PoolingCommon<uint8_t, uint8_t> * {
+      auto strat = new sme_u8_nhwc_max_2x2_s1_output2x2_depthfirst(args.cpu_info);
+      return new PoolingDepthfirst<uint8_t>(strat, args);
+    },
+  },
+  {
+    PoolingMethod::DEPTHFIRST,
+    "sme_u8_nhwc_avg_generic_depthfirst",
+    [] (const PoolingArgs &args, const Nothing &) -> bool {
+      // This kernel can only be used when there is either no padding, or we don't care
+      // about the value of the padding. Otherwise, we would need to pass in the zero-point
+      // for the quantization regime.
+      return (args.exclude_padding ||
+              (args.padding.top == 0 && args.padding.bottom == 0 &&
+               args.padding.left == 0 && args.padding.right == 0)
+              ) && args.pool_type == PoolingType::AVERAGE &&
+             args.cpu_info->has_sme2();
+    },
+    nullptr,
+    [] (const PoolingArgs &args, const Nothing &) -> PoolingCommon<uint8_t, uint8_t> * {
+      auto strat = new sme_u8_nhwc_avg_generic_depthfirst(args.cpu_info);
+      return new PoolingDepthfirstGeneric<uint8_t>(strat, args);
+    },
+  },
+  {
+    PoolingMethod::DEPTHFIRST,
+    "sme_u8_nhwc_max_generic_depthfirst",
+    [] (const PoolingArgs &args, const Nothing &) -> bool {
+      return args.cpu_info->has_sme() && args.pool_type == PoolingType::MAX;
+    },
+    nullptr,
+    [] (const PoolingArgs &args, const Nothing &) -> PoolingCommon<uint8_t, uint8_t> * {
+      auto strat = new sme_u8_nhwc_max_generic_depthfirst(args.cpu_info);
+      return new PoolingDepthfirstGeneric<uint8_t>(strat, args);
+    },
+  },
+#endif  // defined(ARM_COMPUTE_ENABLE_SME)
+#if defined(ARM_COMPUTE_ENABLE_SVE)
+  {
+    PoolingMethod::DEPTHFIRST,
+    "sve_u8_nhwc_max_2x2_s1_output2x2_depthfirst",
+    [] (const PoolingArgs &args, const Nothing &os) -> bool {
+      return args.cpu_info->has_sve() &&
+             is_supported<sve_u8_nhwc_max_2x2_s1_output2x2_depthfirst>(args, os);
+    },
+    nullptr,
+    [] (const PoolingArgs &args, const Nothing &) -> PoolingCommon<uint8_t, uint8_t> * {
+      auto strat = new sve_u8_nhwc_max_2x2_s1_output2x2_depthfirst(args.cpu_info);
+      return new PoolingDepthfirst<uint8_t>(strat, args);
+    },
+  },
+  {
+    PoolingMethod::DEPTHFIRST,
+    "sve_u8_nhwc_avg_generic_depthfirst",
+    [] (const PoolingArgs &args, const Nothing &) -> bool {
+      // This kernel can only be used when there is either no padding, or we don't care
+      // about the value of the padding. Otherwise, we would need to pass in the zero-point
+      // for the quantization regime.
+      return (args.exclude_padding ||
+              (args.padding.top == 0 && args.padding.bottom == 0 &&
+               args.padding.left == 0 && args.padding.right == 0)
+              ) && args.pool_type == PoolingType::AVERAGE &&
+             args.cpu_info->has_sve2();
+    },
+    nullptr,
+    [] (const PoolingArgs &args, const Nothing &) -> PoolingCommon<uint8_t, uint8_t> * {
+      auto strat = new sve_u8_nhwc_avg_generic_depthfirst(args.cpu_info);
+      return new PoolingDepthfirstGeneric<uint8_t>(strat, args);
+    },
+  },
+  {
+    PoolingMethod::DEPTHFIRST,
+    "sve_u8_nhwc_max_generic_depthfirst",
+    [] (const PoolingArgs &args, const Nothing &) -> bool {
+      return args.cpu_info->has_sve() && args.pool_type == PoolingType::MAX;
+    },
+    nullptr,
+    [] (const PoolingArgs &args, const Nothing &) -> PoolingCommon<uint8_t, uint8_t> * {
+      auto strat = new sve_u8_nhwc_max_generic_depthfirst(args.cpu_info);
+      return new PoolingDepthfirstGeneric<uint8_t>(strat, args);
+    },
+  },
+#endif  // defined(ARM_COMPUTE_ENABLE_SVE)
+  {
+    PoolingMethod::DEPTHFIRST,
+    "a64_u8_nhwc_max_2x2_s1_output2x2_depthfirst",
+    is_supported<a64_u8_nhwc_max_2x2_s1_output2x2_depthfirst>,
+    nullptr,
+    [] (const PoolingArgs &args, const Nothing &) -> PoolingCommon<uint8_t, uint8_t> * {
+      auto strat = new a64_u8_nhwc_max_2x2_s1_output2x2_depthfirst(args.cpu_info);
+      return new PoolingDepthfirst<uint8_t>(strat, args);
+    },
+  },
+  {
+    PoolingMethod::DEPTHFIRST,
+    "a64_u8_nhwc_avg_generic_depthfirst",
+    [] (const PoolingArgs &args, const Nothing &) -> bool {
+      // This kernel can only be used when there is either no padding, or we don't care
+      // about the value of the padding. Otherwise, we would need to pass in the zero-point
+      // for the quantization regime.
+      return (args.exclude_padding ||
+              (args.padding.top == 0 && args.padding.bottom == 0 &&
+               args.padding.left == 0 && args.padding.right == 0)
+              ) && args.pool_type == PoolingType::AVERAGE;
+    },
+    nullptr,
+    [] (const PoolingArgs &args, const Nothing &) -> PoolingCommon<uint8_t, uint8_t> * {
+      auto strat = new a64_u8_nhwc_avg_generic_depthfirst(args.cpu_info);
+      return new PoolingDepthfirstGeneric<uint8_t>(strat, args);
+    },
+  },
+  {
+    PoolingMethod::DEPTHFIRST,
+    "a64_u8_nhwc_max_generic_depthfirst",
+    [] (const PoolingArgs &args, const Nothing &) -> bool { return args.pool_type == PoolingType::MAX; },
+    nullptr,
+    [] (const PoolingArgs &args, const Nothing &) -> PoolingCommon<uint8_t, uint8_t> * {
+      auto strat = new a64_u8_nhwc_max_generic_depthfirst(args.cpu_info);
+      return new PoolingDepthfirstGeneric<uint8_t>(strat, args);
+    },
+  },
+#endif  // defined(__aarch64__)
+  { PoolingMethod::DEFAULT, "", nullptr, nullptr, nullptr },  // End of list
+};
+
+template <>
+const PoolingImplementation<uint8_t, uint8_t> *pooling_implementation_list()
+{
+  return pooling_u8_methods;
+}
+
+template UniquePoolingCommon<uint8_t, uint8_t> pooling(const PoolingArgs &, const Nothing &);
+
+}  //  namespace pooling
+}  //  namespace arm_conv