Moritz Pflanzer | 4dfc235 | 2017-08-02 14:51:36 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017 ARM Limited. |
| 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #include "GEMM.h" |
| 25 | |
Georgios Pinitas | 583137c | 2017-08-31 18:12:42 +0100 | [diff] [blame] | 26 | #include "arm_compute/core/Types.h" |
Moritz Pflanzer | a09de0c | 2017-09-01 20:41:12 +0100 | [diff] [blame] | 27 | #include "tests/validation/FixedPoint.h" |
Moritz Pflanzer | 4dfc235 | 2017-08-02 14:51:36 +0100 | [diff] [blame] | 28 | |
| 29 | namespace arm_compute |
| 30 | { |
| 31 | namespace test |
| 32 | { |
| 33 | namespace validation |
| 34 | { |
| 35 | namespace reference |
| 36 | { |
| 37 | template <typename T, typename std::enable_if<is_floating_point<T>::value, int>::type> |
| 38 | SimpleTensor<T> gemm(const SimpleTensor<T> &a, const SimpleTensor<T> &b, const SimpleTensor<T> &c, float alpha, float beta) |
| 39 | { |
| 40 | // Create reference |
| 41 | SimpleTensor<T> dst{ c.shape(), c.data_type(), 1, c.fixed_point_position() }; |
| 42 | |
| 43 | // Compute reference |
| 44 | const int M = dst.shape().y(); |
| 45 | const int N = dst.shape().x(); |
| 46 | const int K = a.shape().x(); |
| 47 | |
| 48 | for(int row = 0; row < M; ++row) |
| 49 | { |
| 50 | for(int col = 0; col < N; ++col) |
| 51 | { |
| 52 | T acc(0); |
| 53 | |
| 54 | for(int k = 0; k < K; ++k) |
| 55 | { |
| 56 | acc += a[row * K + k] * b[k * N + col]; |
| 57 | } |
| 58 | |
| 59 | // Finalize the result: alpha * A * B + beta * C |
| 60 | dst[col + row * N] = alpha * acc + beta * c[col + row * N]; |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | return dst; |
| 65 | } |
| 66 | |
| 67 | template <typename T, typename std::enable_if<std::is_integral<T>::value, int>::type> |
| 68 | SimpleTensor<T> gemm(const SimpleTensor<T> &a, const SimpleTensor<T> &b, const SimpleTensor<T> &c, float alpha, float beta) |
| 69 | { |
| 70 | using namespace fixed_point_arithmetic; |
| 71 | |
| 72 | // Create reference |
| 73 | SimpleTensor<T> dst{ c.shape(), c.data_type(), 1, c.fixed_point_position() }; |
| 74 | |
| 75 | // Compute reference |
| 76 | using promoted_type = fixed_point_arithmetic::traits::promote_t<T>; |
| 77 | |
| 78 | const int M = dst.shape().y(); |
| 79 | const int N = dst.shape().x(); |
| 80 | const int K = a.shape().x(); |
| 81 | const int fixed_point_position = a.fixed_point_position(); |
| 82 | |
| 83 | const fixed_point<T> alpha_q(alpha, fixed_point_position); |
| 84 | const fixed_point<T> beta_q(beta, fixed_point_position); |
| 85 | |
| 86 | for(int row = 0; row < M; ++row) |
| 87 | { |
| 88 | for(int col = 0; col < N; ++col) |
| 89 | { |
| 90 | fixed_point<promoted_type> acc_q(0, fixed_point_position); |
| 91 | |
| 92 | for(int k = 0; k < K; ++k) |
| 93 | { |
| 94 | const fixed_point<promoted_type> a0_q(a[row * K + k], fixed_point_position, true); |
| 95 | const fixed_point<promoted_type> b0_q(b[k * N + col], fixed_point_position, true); |
| 96 | |
| 97 | acc_q = acc_q + (a0_q * b0_q); |
| 98 | } |
| 99 | |
| 100 | // Finalize the result: alpha * A * B + beta * C |
| 101 | const fixed_point<T> c0_q(c[col + row * N], fixed_point_position, true); |
| 102 | |
| 103 | fixed_point<T> res_q(acc_q); |
| 104 | res_q = alpha_q * res_q; |
| 105 | res_q = res_q + (beta_q * c0_q); |
| 106 | |
| 107 | // Store the result |
| 108 | dst[col + row * N] = res_q.raw(); |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | return dst; |
| 113 | } |
| 114 | |
| 115 | template SimpleTensor<float> gemm(const SimpleTensor<float> &a, const SimpleTensor<float> &b, const SimpleTensor<float> &c, float alpha, float beta); |
Georgios Pinitas | 583137c | 2017-08-31 18:12:42 +0100 | [diff] [blame] | 116 | template SimpleTensor<half> gemm(const SimpleTensor<half> &a, const SimpleTensor<half> &b, const SimpleTensor<half> &c, float alpha, float beta); |
Moritz Pflanzer | 4dfc235 | 2017-08-02 14:51:36 +0100 | [diff] [blame] | 117 | template SimpleTensor<qint8_t> gemm(const SimpleTensor<qint8_t> &a, const SimpleTensor<qint8_t> &b, const SimpleTensor<qint8_t> &c, float alpha, float beta); |
| 118 | template SimpleTensor<qint16_t> gemm(const SimpleTensor<qint16_t> &a, const SimpleTensor<qint16_t> &b, const SimpleTensor<qint16_t> &c, float alpha, float beta); |
| 119 | } // namespace reference |
| 120 | } // namespace validation |
| 121 | } // namespace test |
| 122 | } // namespace arm_compute |