Manuel Bottini | 30dbeef | 2019-06-26 16:23:03 +0100 | [diff] [blame] | 1 | /* |
Michele Di Giorgio | d9eaf61 | 2020-07-08 11:12:57 +0100 | [diff] [blame] | 2 | * Copyright (c) 2019-2020 Arm Limited. |
Manuel Bottini | 30dbeef | 2019-06-26 16:23:03 +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 | #define TYPE VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE) |
| 28 | |
| 29 | #if defined(S1_VAL) && !defined(S2_VAL) |
| 30 | #define S2_VAL S1_VAL |
| 31 | #endif // defined(S1_VAL) && !defined(S2_VAL) |
| 32 | #if defined(O1_VAL) && !defined(O2_VAL) |
| 33 | #define O2_VAL O1_VAL |
| 34 | #endif // defined(O1_VAL) && !defined(O2_VAL) |
| 35 | |
| 36 | // RELU Activation |
| 37 | inline TYPE relu_op(TYPE x) |
| 38 | { |
| 39 | return max((TYPE)CONST_0, x); |
| 40 | } |
| 41 | // Bounded RELU Activation |
| 42 | inline TYPE brelu_op(TYPE x) |
| 43 | { |
Michele Di Giorgio | a046e16 | 2019-10-08 09:36:26 +0100 | [diff] [blame] | 44 | return min((TYPE)A_VAL, max((TYPE)CONST_0, x)); |
Manuel Bottini | 30dbeef | 2019-06-26 16:23:03 +0100 | [diff] [blame] | 45 | } |
| 46 | // Lower Upper Bounded RELU Activation |
| 47 | inline TYPE lu_brelu_op(TYPE x) |
| 48 | { |
| 49 | return min(max(x, (TYPE)B_VAL), (TYPE)A_VAL); |
| 50 | } |
morgolock | 6b3865a | 2020-03-04 14:57:46 +0000 | [diff] [blame] | 51 | // Hard Swish Activation |
| 52 | inline TYPE hard_swish_op(TYPE x) |
| 53 | { |
| 54 | return (x * ((min(max((TYPE)(x + (TYPE)3.f), (TYPE)0.f), (TYPE)6.f)) * (TYPE)0.166666667f)); |
| 55 | } |
Manuel Bottini | 30dbeef | 2019-06-26 16:23:03 +0100 | [diff] [blame] | 56 | |
| 57 | #define ACTIVATION_OP2(op, x) op##_op(x) |
| 58 | #define ACTIVATION_OP(op, x) ACTIVATION_OP2(op, x) |
| 59 | |
| 60 | #if defined(S1_VAL) && defined(S2_VAL) |
| 61 | #if defined(O1_VAL) && defined(O2_VAL) |
| 62 | #define PERFORM_ACTIVATION_QUANT(act, data) \ |
| 63 | ({ \ |
| 64 | data = ACTIVATION_OP(act, data); \ |
| 65 | \ |
| 66 | VEC_DATA_TYPE(float, VEC_SIZE) \ |
| 67 | fdata = CONVERT(data, VEC_DATA_TYPE(float, VEC_SIZE)); \ |
| 68 | \ |
| 69 | fdata = round((fdata - (float)O1_VAL) * ((float)S1_VAL / (float)S2_VAL) + (float)O2_VAL); \ |
| 70 | data = CONVERT_SAT(fdata, VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)); \ |
| 71 | }) |
| 72 | #else // defined(O1_VAL) && defined(O2_VAL) |
| 73 | #define PERFORM_ACTIVATION_QUANT(act, data) \ |
| 74 | ({ \ |
| 75 | data = ACTIVATION_OP(act, data); \ |
| 76 | \ |
| 77 | VEC_DATA_TYPE(float, VEC_SIZE) \ |
| 78 | fdata = CONVERT(data, VEC_DATA_TYPE(float, VEC_SIZE)); \ |
| 79 | \ |
| 80 | fdata = round((fdata) * ((float)S1_VAL / (float)S2_VAL)); \ |
| 81 | data = CONVERT_SAT(fdata, VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)); \ |
| 82 | }) |
| 83 | #endif /* defined(O1_VAL) && defined(O2_VAL) */ |
| 84 | #else /* defined(S1_VAL) && defined(S2_VAL) */ |
| 85 | #define PERFORM_ACTIVATION_QUANT(act, data) \ |
| 86 | ({ \ |
| 87 | data = ACTIVATION_OP(act, data); \ |
| 88 | }) |
morgolock | 6b3865a | 2020-03-04 14:57:46 +0000 | [diff] [blame] | 89 | #endif /* defined(S1_VAL) && defined(S2_VAL) */ |