diff options
| author | tslil clingman <tslil@posteo.de> | 2023-01-21 19:30:45 +0100 |
|---|---|---|
| committer | tslil <tslil@posteo.de> | 2026-08-28 19:37:41 +0100 |
| commit | 0e81096d5ecb6027814e7aae10b461e774f96407 (patch) | |
| tree | 6cedfe4b3fad3770a5210f5e5d5ad205c17f4b0f /include/nn1986.c | |
| parent | cb2b78ced27fc7996ed11c3450f69138d7d1b61f (diff) | |
might as well enable size 6
Same network architecture, same training principle. Predictably this is
too slow.
Also statically allocate state in driver programmes.
Diffstat (limited to 'include/nn1986.c')
| -rw-r--r-- | include/nn1986.c | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/include/nn1986.c b/include/nn1986.c deleted file mode 100644 index 117a034..0000000 --- a/include/nn1986.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - This file is part of ct. - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with ct. If not, see <https://www.gnu.org/licenses/>. -*/ - -#include "nn1986.h" -#include "tak.h" -#include "weights.h" - -// =================================================================== -// Implementation of a small neural network -// =================================================================== - -static float cur_board[INP_NUM]; -static float dense1[DENSE_NUM]; -static float output[2]; - -#define RELU(x) ((x) = ((x) < 0) ? 0 : (x)) -float nn1986_evaluate_black_win(tak_state_p state) { - /* --------------- * - * Populate input * - * --------------- */ - for (unsigned int y = 0; y < state->board_size; y++) { - for (unsigned int x = 0; x < state->board_size; x++) { - const unsigned int loc = x + y * state->board_size; - const unsigned int count = COUNT_AT(state, loc); - float lookup = 0; - if (count > 0) { - if (STONE_AT(state, loc) == STONE_STANDING) { - lookup = (state->colours[loc] & 1) ? +0.25 : -0.25; - } else if (STONE_AT(state, loc) == STONE_CAPSTONE) { - lookup = (state->colours[loc] & 1) ? +1.00 : -1.00; - } else { - lookup = (state->colours[loc] & 1) ? +0.50 : -0.50; - } - } - cur_board[3 + loc] = lookup; - } - } - /* ------------------ * - * Convolution layer * - * ------------------ */ - // Add input of flat counts and ply parity - cur_board[0] = (state->ply & 1) ? 1 : -1; - cur_board[1] = (float)(state->white_count & 127) / 21.0; - cur_board[2] = (float)(state->black_count & 127) / 21.0; - /* ------------------ * - * First dense layer * - * ------------------ */ - for (unsigned int d1 = 0; d1 < DENSE_NUM; d1++) { - dense1[d1] = dense1_biases[d1]; - for (unsigned int fl = 0; fl < 3 + 5 * 5; fl++) { - dense1[d1] += cur_board[fl] * dense1_weights[d1][fl]; - } - RELU(dense1[d1]); - } - /* ------------- * - * Output layer * - * ------------- */ - for (uint8_t k = 0; k < 2; k++) { - output[k] = output_bias[k]; - for (unsigned int d2 = 0; d2 < DENSE_NUM; d2++) { - output[k] += dense1[d2] * output_weights[k][d2]; - } - RELU(output[k]); - } - const float norm = output[0] + output[1]; - return (2 * output[0] / norm) - 1; -} |
