COMPMID-3637: Move wrapper to src
Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: I524b0c4b49c7a7035b7d078b9585d77b0d438e10
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4083
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/NEON/kernels/detail/NEDirectConvolution3x3.h b/src/core/NEON/kernels/detail/NEDirectConvolution3x3.h
new file mode 100644
index 0000000..96defbc
--- /dev/null
+++ b/src/core/NEON/kernels/detail/NEDirectConvolution3x3.h
@@ -0,0 +1,170 @@
+/*
+ * Copyright (c) 2017-2020 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.
+ */
+
+#ifndef ARM_COMPUTE_NECONVOLUTIONKERNEL3x3_H
+#define ARM_COMPUTE_NECONVOLUTIONKERNEL3x3_H
+
+#include <arm_neon.h>
+
+namespace arm_compute
+{
+namespace detail
+{
+inline float32x4x3_t load_matrix_row(const float *ptr)
+{
+ const float32x4x3_t r =
+ {
+ {
+ vld1q_dup_f32(ptr),
+ vld1q_dup_f32(1 + ptr),
+ vld1q_dup_f32(2 + ptr)
+ }
+ };
+ return r;
+}
+
+template <unsigned int stridex>
+float32x4x2_t convolve_3x3(const float *in_top, const float *in_mid, const float *in_low, const float32x4x3_t &m0, const float32x4x3_t &m1, const float32x4x3_t &m2);
+
+template <>
+inline float32x4x2_t convolve_3x3<1>(const float *in_top, const float *in_mid, const float *in_low, const float32x4x3_t &m0, const float32x4x3_t &m1, const float32x4x3_t &m2)
+{
+ const float32x4x3_t vtop =
+ {
+ {
+ vld1q_f32(in_top),
+ vld1q_f32(in_top + 4),
+ vld1q_f32(in_top + 8)
+ }
+ };
+ const float32x4x3_t vmid =
+ {
+ {
+ vld1q_f32(in_mid),
+ vld1q_f32(in_mid + 4),
+ vld1q_f32(in_mid + 8)
+ }
+ };
+ const float32x4x3_t vlow =
+ {
+ {
+ vld1q_f32(in_low),
+ vld1q_f32(in_low + 4),
+ vld1q_f32(in_low + 8)
+ }
+ };
+ float32x4x2_t out =
+ {
+ {
+ vmulq_f32(vtop.val[0], m0.val[0]),
+ vmulq_f32(vtop.val[1], m0.val[0])
+ }
+ };
+ out.val[0] = vmlaq_f32(out.val[0], vextq_f32(vtop.val[0], vtop.val[1], 1), m0.val[1]);
+ out.val[0] = vmlaq_f32(out.val[0], vextq_f32(vtop.val[0], vtop.val[1], 2), m0.val[2]);
+
+ out.val[0] = vmlaq_f32(out.val[0], vmid.val[0], m1.val[0]);
+ out.val[0] = vmlaq_f32(out.val[0], vextq_f32(vmid.val[0], vmid.val[1], 1), m1.val[1]);
+ out.val[0] = vmlaq_f32(out.val[0], vextq_f32(vmid.val[0], vmid.val[1], 2), m1.val[2]);
+
+ out.val[0] = vmlaq_f32(out.val[0], vlow.val[0], m2.val[0]);
+ out.val[0] = vmlaq_f32(out.val[0], vextq_f32(vlow.val[0], vlow.val[1], 1), m2.val[1]);
+ out.val[0] = vmlaq_f32(out.val[0], vextq_f32(vlow.val[0], vlow.val[1], 2), m2.val[2]);
+
+ out.val[1] = vmlaq_f32(out.val[1], vextq_f32(vtop.val[1], vtop.val[2], 1), m0.val[1]);
+ out.val[1] = vmlaq_f32(out.val[1], vextq_f32(vtop.val[1], vtop.val[2], 2), m0.val[2]);
+
+ out.val[1] = vmlaq_f32(out.val[1], vmid.val[1], m1.val[0]);
+ out.val[1] = vmlaq_f32(out.val[1], vextq_f32(vmid.val[1], vmid.val[2], 1), m1.val[1]);
+ out.val[1] = vmlaq_f32(out.val[1], vextq_f32(vmid.val[1], vmid.val[2], 2), m1.val[2]);
+
+ out.val[1] = vmlaq_f32(out.val[1], vlow.val[1], m2.val[0]);
+ out.val[1] = vmlaq_f32(out.val[1], vextq_f32(vlow.val[1], vlow.val[2], 1), m2.val[1]);
+ out.val[1] = vmlaq_f32(out.val[1], vextq_f32(vlow.val[1], vlow.val[2], 2), m2.val[2]);
+ return out;
+}
+
+template <>
+inline float32x4x2_t convolve_3x3<2>(const float *in_top, const float *in_mid, const float *in_low, const float32x4x3_t &m0, const float32x4x3_t &m1, const float32x4x3_t &m2)
+{
+ float32x4x2_t out = convolve_3x3<1>(in_top, in_mid, in_low, m0, m1, m2);
+ out.val[0] = vsetq_lane_f32(vgetq_lane_f32(out.val[0], 2), out.val[0], 1);
+ out.val[0] = vsetq_lane_f32(vgetq_lane_f32(out.val[1], 0), out.val[0], 2);
+ out.val[0] = vsetq_lane_f32(vgetq_lane_f32(out.val[1], 2), out.val[0], 3);
+ return out;
+}
+
+template <>
+inline float32x4x2_t convolve_3x3<3>(const float *in_top, const float *in_mid, const float *in_low, const float32x4x3_t &m0, const float32x4x3_t &m1, const float32x4x3_t &m2)
+{
+ float32x4x2_t out = convolve_3x3<1>(in_top, in_mid, in_low, m0, m1, m2);
+ out.val[0] = vsetq_lane_f32(vgetq_lane_f32(out.val[0], 3), out.val[0], 1);
+ return out;
+}
+
+template <unsigned int stridex>
+void store_results(float *buffer, const float32x4x2_t &values);
+
+template <>
+void store_results<1>(float *buffer, const float32x4x2_t &values)
+{
+ vst1q_f32(buffer, values.val[0]);
+ vst1q_f32(buffer + 4, values.val[1]);
+}
+
+template <>
+void store_results<2>(float *buffer, const float32x4x2_t &values)
+{
+ vst1q_f32(buffer, values.val[0]);
+}
+
+template <>
+void store_results<3>(float *buffer, const float32x4x2_t &values)
+{
+ vst1_f32(buffer, vget_low_f32(values.val[0]));
+}
+
+template <unsigned int stridex>
+int get_input_num_elems_processed(unsigned int num_elems_written_per_iteration);
+
+template <>
+int get_input_num_elems_processed<1>(unsigned int num_elems_written_per_iteration)
+{
+ return num_elems_written_per_iteration;
+}
+
+template <>
+int get_input_num_elems_processed<2>(unsigned int num_elems_written_per_iteration)
+{
+ return num_elems_written_per_iteration << 1;
+}
+
+template <>
+int get_input_num_elems_processed<3>(unsigned int num_elems_written_per_iteration)
+{
+ return num_elems_written_per_iteration * 3;
+}
+}
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_NECONVOLUTIONKERNEL3x3_H */
\ No newline at end of file