Usama Arif | e2428a0 | 2019-05-09 11:03:17 +0100 | [diff] [blame] | 1 | /* |
Michele Di Giorgio | d9eaf61 | 2020-07-08 11:12:57 +0100 | [diff] [blame] | 2 | * Copyright (c) 2019-2020 Arm Limited. |
Usama Arif | e2428a0 | 2019-05-09 11:03:17 +0100 | [diff] [blame] | 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 | |
| 25 | #include "helpers.h" |
| 26 | |
| 27 | #if GPU_ARCH == GPU_ARCH_BIFROST |
| 28 | #define MLA(a, b, c) (fma(c, b, a)) |
| 29 | #else // GPU_ARCH == GPU_ARCH_BIFROST |
| 30 | #define MLA(a, b, c) ((b) * (c) + (a)) |
| 31 | #endif // GPU_ARCH == GPU_ARCH_BIFROST |
morgolock | 6b3865a | 2020-03-04 14:57:46 +0000 | [diff] [blame] | 32 | |
| 33 | // Hard-Swish |
| 34 | #define hard_swish_op(DATA_TYPE, x, A_VAL, B_VAL) (x * ((min(max((x + (DATA_TYPE)3.0), (DATA_TYPE)0.0), (DATA_TYPE)6.0)) * (DATA_TYPE)0.166666667)) |
| 35 | |
Usama Arif | e2428a0 | 2019-05-09 11:03:17 +0100 | [diff] [blame] | 36 | // Logistic Activation |
| 37 | #define logistic_op(DATA_TYPE, x, A_VAL, B_VAL) ((DATA_TYPE)1.0 / ((DATA_TYPE)1.0 + exp(-x))) |
| 38 | |
| 39 | // Hyperbolic Tangent Activation |
| 40 | #define tanh_op(DATA_TYPE, x, A_VAL, B_VAL) ((DATA_TYPE)A_VAL * tanh((DATA_TYPE)B_VAL * x)) |
| 41 | |
| 42 | // RELU Tangent Activation |
| 43 | #define relu_op(DATA_TYPE, x, A_VAL, B_VAL) (max((DATA_TYPE)0.0, x)) |
| 44 | |
| 45 | // Bounded RELU Activation |
| 46 | #define brelu_op(DATA_TYPE, x, A_VAL, B_VAL) (min((DATA_TYPE)A_VAL, max((DATA_TYPE)0.0, x))) |
| 47 | |
| 48 | // Lower Upper Bounded RELU Activation |
| 49 | #define lu_brelu_op(DATA_TYPE, x, A_VAL, B_VAL) (min(max(x, (DATA_TYPE)B_VAL), (DATA_TYPE)A_VAL)) |
| 50 | |
| 51 | // Leaky RELU Activation |
| 52 | #define lrelu_op(DATA_TYPE, x, A_VAL, B_VAL) ((min(x, (DATA_TYPE)0.0) * (DATA_TYPE)A_VAL) + max(x, (DATA_TYPE)0.0)) |
| 53 | |
| 54 | // Soft RELU Activation |
| 55 | #define srelu_op(DATA_TYPE, x, A_VAL, B_VAL) (log((DATA_TYPE)1.0 + exp(x))) |
| 56 | |
Georgios Pinitas | fb0fdcd | 2019-08-22 17:10:04 +0100 | [diff] [blame] | 57 | // ELU Activation |
| 58 | #define elu_op(DATA_TYPE, x, A_VAL, B_VAL) (select(((DATA_TYPE)A_VAL * (exp(x) - (DATA_TYPE)1.0)), x, isgreaterequal(x, (DATA_TYPE)0.0))) |
| 59 | |
Usama Arif | e2428a0 | 2019-05-09 11:03:17 +0100 | [diff] [blame] | 60 | // Absolute Activation |
| 61 | #define abs_op(DATA_TYPE, x, A_VAL, B_VAL) (fabs(x)) |
| 62 | |
| 63 | // Square Activation |
| 64 | #define square_op(DATA_TYPE, x, A_VAL, B_VAL) (x * x) |
| 65 | |
| 66 | // Square-root Activation |
| 67 | #define sqrt_op(DATA_TYPE, x, A_VAL, B_VAL) (sqrt(x)) |
| 68 | |
| 69 | // Linear Activation |
| 70 | #define linear_op(DATA_TYPE, x, A_VAL, B_VAL) (MLA((DATA_TYPE)B_VAL, (DATA_TYPE)A_VAL, x)) |
| 71 | |
| 72 | // Identity Activation |
Usama Arif | 6a98a6e | 2019-05-10 17:07:27 +0100 | [diff] [blame] | 73 | #define identity_op(DATA_TYPE, x, A_VAL, B_VAL) (x) |
Usama Arif | e2428a0 | 2019-05-09 11:03:17 +0100 | [diff] [blame] | 74 | |
Giorgio Arena | 8b2a7d3 | 2020-02-11 17:21:31 +0000 | [diff] [blame] | 75 | #define ACT_OP(op, DATA_TYPE, x, A_VAL, B_VAL) op##_op(DATA_TYPE, x, A_VAL, B_VAL) |
Usama Arif | e2428a0 | 2019-05-09 11:03:17 +0100 | [diff] [blame] | 76 | |
Giorgio Arena | 8b2a7d3 | 2020-02-11 17:21:31 +0000 | [diff] [blame] | 77 | #define ACTIVATION(op, DATA_TYPE, x, A_VAL, B_VAL) ACT_OP(op, DATA_TYPE, x, A_VAL, B_VAL) |