1 files changed, 147 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/arm_conv/pooling/pooling_s8.cpp b/src/core/NEON/kernels/arm_conv/pooling/pooling_s8.cpp
new file mode 100644
index 0000000000..490fc0d863
--- /dev/null
+++ b/src/core/NEON/kernels/arm_conv/pooling/pooling_s8.cpp
@@ -0,0 +1,147 @@
+/*
+ * 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.hpp"
+#include "pooling_depthfirst_generic.hpp"
+
+#include "kernels/cpp_nhwc_1x1_stride_any_depthfirst.hpp"
+#if defined(__aarch64__)
+#if defined(__ARM_FEATURE_SVE)
+#if defined(SVE2)
+#include "kernels/sve_s8_nhwc_avg_generic_depthfirst.hpp"
+#endif  // defined(SVE2)
+#include "kernels/sve_s8_nhwc_max_2x2_s1_output2x2_depthfirst.hpp"
+#include "kernels/sve_s8_nhwc_max_generic_depthfirst.hpp"
+#endif  // defined(__ARM_FEATURE_SVE)
+#include "kernels/a64_s8_nhwc_max_2x2_s1_output2x2_depthfirst.hpp"
+#include "kernels/a64_s8_nhwc_avg_generic_depthfirst.hpp"
+#include "kernels/a64_s8_nhwc_max_generic_depthfirst.hpp"
+#endif  // defined(__aarch64__)
+
+#include <cstdint>
+
+namespace arm_conv {
+namespace pooling {
+
+namespace
+{
+  template <class Strategy>
+  bool is_supported(const PoolingArgs &args, const Nothing &)
+  {
+    return ((args.pool_type == Strategy::pooling_type()) &&
+            (args.pool_window.rows == Strategy::pool_rows()) &&
+            (args.pool_window.cols == Strategy::pool_cols()) &&
+            (args.pool_stride.rows == Strategy::stride_rows()) &&
+            (args.pool_stride.cols == Strategy::stride_cols()));
+  }
+}
+
+static const PoolingImplementation<int8_t, int8_t> pooling_s8_methods[] = {
+  {
+    PoolingMethod::DEPTHFIRST,
+    "cpp_s8_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<int8_t, int8_t> * {
+      return new PoolingDepthfirstGeneric<cpp_nhwc_1x1_stride_any_depthfirst<int8_t>>(args);
+    },
+  },
+#if defined(__aarch64__)
+#if defined(__ARM_FEATURE_SVE)
+#if defined(SVE2)
+  {
+    PoolingMethod::DEPTHFIRST,
+    "sve_s8_nhwc_avg_generic_depthfirst",
+    [] (const PoolingArgs &args, const Nothing &) -> bool { return args.pool_type == PoolingType::AVERAGE; },
+    nullptr,
+    [] (const PoolingArgs &args, const Nothing &) -> PoolingCommon<int8_t, int8_t> * {
+      return new PoolingDepthfirstGeneric<sve_s8_nhwc_avg_generic_depthfirst>(args);
+    },
+  },
+#endif  // defined(SVE2)
+  {
+    PoolingMethod::DEPTHFIRST,
+    "sve_s8_nhwc_max_2x2_s1_output2x2_depthfirst",
+    is_supported<sve_s8_nhwc_max_2x2_s1_output2x2_depthfirst>,
+    nullptr,
+    [] (const PoolingArgs &args, const Nothing &) -> PoolingCommon<int8_t, int8_t> * {
+      return new PoolingDepthfirst<sve_s8_nhwc_max_2x2_s1_output2x2_depthfirst>(args);
+    },
+  },
+  {
+    PoolingMethod::DEPTHFIRST,
+    "sve_s8_nhwc_max_generic_depthfirst",
+    [] (const PoolingArgs &args, const Nothing &) -> bool { return args.pool_type == PoolingType::MAX; },
+    nullptr,
+    [] (const PoolingArgs &args, const Nothing &) -> PoolingCommon<int8_t, int8_t> * {
+      return new PoolingDepthfirstGeneric<sve_s8_nhwc_max_generic_depthfirst>(args);
+    },
+  },
+#endif  // defined(__ARM_FEATURE_SVE)
+  {
+    PoolingMethod::DEPTHFIRST,
+    "a64_s8_nhwc_max_2x2_s1_output2x2_depthfirst",
+    is_supported<a64_s8_nhwc_max_2x2_s1_output2x2_depthfirst>,
+    nullptr,
+    [] (const PoolingArgs &args, const Nothing &) -> PoolingCommon<int8_t, int8_t> * {
+      return new PoolingDepthfirst<a64_s8_nhwc_max_2x2_s1_output2x2_depthfirst>(args);
+    },
+  },
+  {
+    PoolingMethod::DEPTHFIRST,
+    "a64_s8_nhwc_avg_generic_depthfirst",
+    [] (const PoolingArgs &args, const Nothing &) -> bool { return args.pool_type == PoolingType::AVERAGE; },
+    nullptr,
+    [] (const PoolingArgs &args, const Nothing &) -> PoolingCommon<int8_t, int8_t> * {
+      return new PoolingDepthfirstGeneric<a64_s8_nhwc_avg_generic_depthfirst>(args);
+    },
+  },
+  {
+    PoolingMethod::DEPTHFIRST,
+    "a64_s8_nhwc_max_generic_depthfirst",
+    [] (const PoolingArgs &args, const Nothing &) -> bool { return args.pool_type == PoolingType::MAX; },
+    nullptr,
+    [] (const PoolingArgs &args, const Nothing &) -> PoolingCommon<int8_t, int8_t> * {
+      return new PoolingDepthfirstGeneric<a64_s8_nhwc_max_generic_depthfirst>(args);
+    },
+  },
+#endif  // defined(__aarch64__)
+  { PoolingMethod::DEFAULT, "", nullptr, nullptr, nullptr },  // End of list
+};
+
+template <>
+const PoolingImplementation<int8_t, int8_t> *pooling_implementation_list()
+{
+  return pooling_s8_methods;
+}
+
+template UniquePoolingCommon<int8_t, int8_t> pooling(const PoolingArgs &, const Nothing &);
+
+}  //  namespace pooling
+}  //  namespace arm_conv