1 /* 2 # SPDX-FileCopyrightText: Copyright 2010-2022 Arm Limited and/or its affiliates <open-source-office@arm.com> 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 * 6 * Licensed under the Apache License, Version 2.0 (the License); you may 7 * not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an AS IS BASIS, WITHOUT 14 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 #pragma once 20 21 // Lookup table for 1 / (1 + x), where x uniform distributed between [0.0 , 1.0]. 22 const int16_t softmax_s16_one_by_one_lut[513] = { 23 32767, 32704, 32640, 32578, 32514, 32451, 32388, 32326, 32264, 32202, 32141, 32079, 32018, 31957, 31896, 31835, 24 31775, 31715, 31655, 31596, 31537, 31476, 31418, 31359, 31301, 31242, 31184, 31127, 31069, 31011, 30954, 30897, 25 30840, 30784, 30727, 30671, 30615, 30560, 30504, 30449, 30394, 30339, 30283, 30229, 30175, 30121, 30067, 30013, 26 29960, 29906, 29853, 29800, 29746, 29694, 29642, 29589, 29537, 29486, 29434, 29382, 29331, 29280, 29229, 29177, 27 29127, 29076, 29026, 28976, 28926, 28877, 28827, 28777, 28728, 28679, 28630, 28581, 28532, 28484, 28436, 28388, 28 28340, 28292, 28244, 28197, 28150, 28103, 28056, 28008, 27962, 27915, 27869, 27823, 27777, 27731, 27685, 27640, 29 27594, 27549, 27504, 27459, 27413, 27369, 27324, 27280, 27236, 27192, 27148, 27104, 27060, 27016, 26973, 26930, 30 26887, 26844, 26801, 26758, 26715, 26673, 26630, 26588, 26546, 26504, 26463, 26421, 26380, 26338, 26297, 26255, 31 26214, 26174, 26132, 26092, 26051, 26011, 25971, 25931, 25891, 25851, 25811, 25772, 25732, 25693, 25653, 25614, 32 25575, 25536, 25497, 25458, 25420, 25381, 25343, 25305, 25267, 25229, 25191, 25153, 25116, 25078, 25041, 25003, 33 24966, 24928, 24892, 24855, 24818, 24781, 24745, 24709, 24672, 24636, 24600, 24564, 24528, 24492, 24457, 24421, 34 24385, 24350, 24315, 24280, 24245, 24210, 24175, 24140, 24105, 24070, 24036, 24002, 23967, 23933, 23899, 23865, 35 23831, 23798, 23764, 23730, 23697, 23664, 23630, 23597, 23564, 23530, 23498, 23465, 23432, 23399, 23366, 23334, 36 23302, 23269, 23237, 23205, 23173, 23141, 23109, 23077, 23046, 23014, 22982, 22951, 22920, 22888, 22857, 22826, 37 22795, 22764, 22733, 22703, 22672, 22641, 22611, 22580, 22550, 22520, 22490, 22459, 22429, 22400, 22370, 22340, 38 22310, 22281, 22251, 22221, 22192, 22163, 22134, 22104, 22075, 22046, 22017, 21988, 21959, 21931, 21902, 21874, 39 21845, 21817, 21788, 21760, 21732, 21704, 21676, 21648, 21620, 21592, 21565, 21537, 21509, 21482, 21455, 21427, 40 21400, 21372, 21345, 21318, 21291, 21264, 21237, 21210, 21183, 21157, 21130, 21103, 21077, 21050, 21024, 20998, 41 20971, 20945, 20919, 20893, 20867, 20841, 20816, 20790, 20764, 20738, 20713, 20687, 20662, 20636, 20611, 20586, 42 20560, 20535, 20510, 20485, 20460, 20435, 20410, 20385, 20360, 20336, 20311, 20287, 20262, 20238, 20213, 20189, 43 20165, 20141, 20117, 20092, 20068, 20044, 20021, 19997, 19973, 19949, 19926, 19902, 19878, 19855, 19832, 19808, 44 19784, 19762, 19738, 19715, 19692, 19668, 19645, 19622, 19600, 19577, 19553, 19531, 19508, 19485, 19463, 19440, 45 19418, 19395, 19373, 19351, 19328, 19306, 19284, 19262, 19240, 19218, 19196, 19174, 19152, 19130, 19109, 19087, 46 19065, 19044, 19022, 19000, 18979, 18958, 18936, 18915, 18893, 18872, 18851, 18830, 18809, 18787, 18766, 18745, 47 18725, 18704, 18682, 18662, 18641, 18620, 18600, 18579, 18559, 18538, 18518, 18497, 18477, 18457, 18436, 18416, 48 18396, 18376, 18356, 18336, 18316, 18296, 18276, 18256, 18236, 18216, 18197, 18177, 18157, 18138, 18118, 18099, 49 18079, 18059, 18040, 18021, 18001, 17982, 17963, 17944, 17924, 17905, 17886, 17867, 17848, 17829, 17810, 17791, 50 17772, 17754, 17735, 17716, 17697, 17679, 17660, 17641, 17623, 17604, 17586, 17568, 17549, 17531, 17513, 17494, 51 17476, 17458, 17440, 17422, 17404, 17386, 17368, 17350, 17332, 17314, 17296, 17278, 17261, 17243, 17225, 17208, 52 17190, 17172, 17155, 17137, 17120, 17102, 17085, 17067, 17050, 17033, 17015, 16999, 16981, 16964, 16947, 16930, 53 16913, 16895, 16878, 16862, 16845, 16828, 16810, 16794, 16777, 16760, 16743, 16727, 16710, 16693, 16677, 16660, 54 16644, 16627, 16611, 16594, 16578, 16562, 16545, 16529, 16513, 16497, 16480, 16464, 16448, 16432, 16416, 16400, 55 16384}; 56
