Compute Library
 21.08
GEMMTranspose1xW.h
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1 /*
2  * Copyright (c) 2017-2018 Arm Limited.
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4  * SPDX-License-Identifier: MIT
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24 #include "GEMM.h"
25 
26 #include "arm_compute/core/Types.h"
27 
28 namespace arm_compute
29 {
30 namespace test
31 {
32 namespace validation
33 {
34 namespace reference
35 {
36 template <typename T>
38 {
39  const int W = 16 / sizeof(T);
40  const TensorShape shape_out(static_cast<size_t>(in.shape().y() * W), static_cast<size_t>(std::ceil(in.shape().x() / static_cast<float>(W))));
41  SimpleTensor<T> out(shape_out, in.data_type());
42  const int32_t in_height = in.shape().y();
43  const int32_t in_width = in.shape().x();
44  const int32_t out_width = out.shape().x();
45  const T *in_base_addr = reinterpret_cast<const T *>(in.data());
46  T *out_base_addr = reinterpret_cast<T *>(out.data());
47  int x = 0;
48  for(; x < in_width; x += W)
49  {
50  for(int y = 0; y < in_height; y++)
51  {
52  const T *in_addr = (in_base_addr + x + y * in_width);
53  T *out_addr = (out_base_addr + y * W + (x / W) * out_width);
54 
55  for(int k = 0; k < W; ++k)
56  {
57  // If the input width is not multiple of W, we fill the reference with 0s
58  if((x + k) >= in_width)
59  {
60  out_addr[k] = T(0);
61  }
62  else
63  {
64  out_addr[k] = in_addr[k];
65  }
66  }
67  }
68  }
69  return out;
70 }
71 
72 } // namespace reference
73 } // namespace validation
74 } // namespace test
75 } // namespace arm_compute
Shape of a tensor.
Definition: TensorShape.h:39
DataType data_type() const override
Data type of the tensor.
Definition: SimpleTensor.h:357
SimpleTensor< T > gemm_transpose_1xW(const SimpleTensor< T > &in)
TensorShape shape() const override
Shape of the tensor.
Definition: SimpleTensor.h:320
Copyright (c) 2017-2021 Arm Limited.
Simple tensor object that stores elements in a consecutive chunk of memory.
Definition: SimpleTensor.h:58
const T * data() const
Constant pointer to the underlying buffer.
Definition: SimpleTensor.h:418