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+/*
+ * Copyright (c) 2017-2018 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.
+ */
+#pragma once
+
+#if defined(__aarch64__) && defined(__ARM_FEATURE_FP16_SCALAR_ARITHMETIC)
+
+#include "arm_gemm.hpp"
+
+namespace arm_gemm
+{
+// Actual kernel implementations
+void a64_hgemm_asimd_24x8(const __fp16 *, const __fp16 *, __fp16 *, int, int, int);
+void a64_hgemm_asimd_24x8_a55r1(const __fp16 *, const __fp16 *, __fp16 *, int, int, int);
+
+// 24x8 HGEMM "strategy" class. Describes the kernel properties.
+//
+// The generic "gemm_opt" function will instantiate one of these (allowing
+// the constructor to pick a kernel implementation).
+class hgemm_24x8
+{
+public:
+ typedef __fp16 operand_type;
+ typedef __fp16 result_type;
+
+ typedef void (*kern_type)(const __fp16 *, const __fp16 *, __fp16 *, int, int, int);
+
+ static const int A_block = 1;
+ static const int A_interleave = 8;
+ static const bool A_transpose = false;
+
+ static const int B_block = 1;
+ static const int B_interleave = 24;
+ static const bool B_transpose = true;
+
+ static const int out_width = 24;
+ static const int out_height = 8;
+ static const int k_unroll = 1;
+
+ // Default to the generic kernel
+ kern_type kernel = a64_hgemm_asimd_24x8;
+
+ hgemm_24x8(const CPUInfo *ci)
+ {
+ if(ci->get_cpu_model() == CPUModel::A55r1)
+ {
+ kernel = a64_hgemm_asimd_24x8_a55r1;
+ }
+ }
+};
+
+} // namespace arm_gemm
+
+#endif // __aarch64__