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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
+
+#ifdef __aarch64__
+
+#include "../std_transforms_fixed.hpp"
+
+namespace arm_gemm {
+
+// Actual kernel implementations
+void a64_sgemm_asimd_8x12(const float *, const float *, float *, int, int, int);
+void a64_sgemm_asimd_8x12_a53(const float *, const float *, float *, int, int, int);
+void a64_sgemm_asimd_8x12_a55(const float *, const float *, float *, int, int, int);
+void a64_sgemm_asimd_8x12_a55r1(const float *, const float *, float *, int, int, int);
+void a64_sgemm_asimd_8x12_x1(const float *, const float *, float *, int, int, int);
+
+// 8x12 SGEMM "strategy" class.
+//
+// This describes the characteristics of a family of kernels, in terms of
+// the required interleave properties and the output block size.
+//
+// All kernels in the family must share these characteristics. The actual
+// kernel to be used can be chosen at runtime, based on the CPU_type
+// structure.
+class cls_a64_sgemm_8x12 {
+public:
+ typedef float operand_type;
+ typedef float result_type;
+
+ typedef void (*kern_type)(const float *, const float *, float *, int, int, int);
+
+ /* Kernel blocking parameters */
+ static unsigned int out_width() {
+ return 12;
+ }
+
+ static unsigned int out_height() {
+ return 8;
+ }
+
+ static unsigned int k_unroll() {
+ return 1;
+ }
+
+ // Use the standard fixed size transforms.
+ StdTransformsFixed<operand_type, result_type, 8, 12> transforms = {};
+
+ static PerformanceParameters get_performance_parameters(const CPUInfo *ci) {
+ switch (ci->get_cpu_model()) {
+ case CPUModel::A55r1:
+ return { 3.724, 1.416, 1.113 };
+
+ case CPUModel::A53:
+ return { 2.777, 0.987, 0.898 };
+
+ case CPUModel::A73:
+ return { 2.885, 1.429, 1.163 };
+
+ default:
+ return { 6.949, 4.149, 2.826 };
+ }
+ }
+
+ kern_type kernel=a64_sgemm_asimd_8x12;
+
+ cls_a64_sgemm_8x12(const CPUInfo *ci) {
+ // Select specific kernel if available
+ switch(ci->get_cpu_model()) {
+ case CPUModel::A53:
+ kernel = a64_sgemm_asimd_8x12_a53;
+ break;
+
+ case CPUModel::A55r0:
+ kernel = a64_sgemm_asimd_8x12_a55;
+ break;
+
+ case CPUModel::A55r1:
+ kernel = a64_sgemm_asimd_8x12_a55r1;
+ break;
+
+ case CPUModel::X1:
+ kernel = a64_sgemm_asimd_8x12_x1;
+ break;
+
+ default:
+ /* Generic kernel is initialized by default. */
+ break;
+ }
+ }
+};
+
+} // namespace arm_gemm
+
+#endif // __aarch64__