-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathconfig.h
233 lines (204 loc) · 10.1 KB
/
config.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
/*
* Sturddle Chess Engine (C) 2022, 2023 Cristian Vlasceanu
* --------------------------------------------------------------------------
* 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 this program. If not, see <http://www.gnu.org/licenses/>.
* --------------------------------------------------------------------------
* Third-party files included in this project are subject to copyright
* and licensed as stated in their respective header notes.
* --------------------------------------------------------------------------
*/
#include "common.h"
/*
* This file contains parameters that control the behavior of the
* search and evaluation functions, and infrastructure for exposing
* them to Python scripts for the purpose of tuning the engine.
*
* To expose ALL settings, compile with -DTUNING_ENABLED -DMOBILITY_TUNING_ENABLED
*
* To cherry-pick, replace DECLARE_VALUE with DECLARE_PARAM
*/
#if REFCOUNT_PARAM
/* Instrumentation & debug: count parameter usage */
struct Val
{
int _v;
mutable count_t _refcount = 0;
explicit Val(int v) : _v(v) {}
Val& operator=(int v) { _v = v; return *this; }
INLINE operator int() const { ++_refcount; return _v; }
};
#else
using Val = int;
#endif /* REFCOUNT_PARAM */
#if defined(CONFIG_IMPL)
#include <map>
#include <string>
#include <thread>
struct Config
{
struct Param /* meta param info */
{
Val* const _val = nullptr;
const int _min = 0;
const int _max = 0;
std::string _group;
};
using Namespace = std::map<std::string, Param>;
static Namespace _namespace;
static std::string _group;
/* Register parameter names with Config::_namespace */
Config(const char* n, Val* v, int v_min, int v_max)
{
_namespace.emplace(n, Config::Param{ v, v_min, v_max, Config::_group });
}
struct Group
{
Group(const char* group) { _group.assign(group); }
~Group() { _group.clear(); }
};
};
std::string Config::_group;
#define GROUP(x) Config::Group __##x(_TOSTR(x));
Config::Namespace Config::_namespace = {
#if MOBILITY_TUNING_ENABLED
/* Piece mobility coefficients */
{ "MOBILITY_PAWN", Config::Param{ &chess::MOBILITY[chess::PieceType::PAWN], 0, 50, "Eval" } },
{ "MOBILITY_KNIGHT", Config::Param{ &chess::MOBILITY[chess::PieceType::KNIGHT], 0, 50, "Eval" } },
{ "MOBILITY_BISHOP", Config::Param{ &chess::MOBILITY[chess::PieceType::BISHOP], 0, 50, "Eval" } },
{ "MOBILITY_ROOK", Config::Param{ &chess::MOBILITY[chess::PieceType::ROOK], 0, 50, "Eval" } },
{ "MOBILITY_QUEEN", Config::Param{ &chess::MOBILITY[chess::PieceType::QUEEN], 0, 50, "Eval" } },
{ "MOBILITY_KING", Config::Param{ &chess::MOBILITY[chess::PieceType::KING], 0, 50, "Eval" } },
#endif /* MOBILITY_TUNING_ENABLED */
};
#else
#define GROUP(x)
#endif /* !CONFIG_IMPL */
/*
* Runtime params that are always visible (regardless of TUNING_ENABLED).
*/
#if !defined(CONFIG_IMPL)
#define DECLARE_ALIAS(n, a, v, v_min, v_max) extern Val n;
#else
#define DECLARE_ALIAS(n, a, v, v_min, v_max) Val n(v); Config p_##n(_TOSTR(a), &n, v_min, v_max);
#endif /* CONFIG_IMPL */
#define DECLARE_CONST(n, v, v_min, v_max) static constexpr int n = v; static_assert(v >= v_min && v <= v_max);
#define DECLARE_PARAM(n, v, v_min, v_max) DECLARE_ALIAS(n, n, v, v_min, v_max)
#if TUNING_ENABLED
#define DECLARE_VALUE(n, v, v_min, v_max) DECLARE_PARAM(n, v, v_min, v_max)
#else
/*
* tuning disabled: params become compile-time constants
*/
#define DECLARE_VALUE DECLARE_CONST
#endif /* TUNING_ENABLED */
#if SMP && defined(CONFIG_IMPL)
static auto THREAD_MAX = std::thread::hardware_concurrency();
#else
static constexpr int THREAD_MAX = 1;
#endif
static constexpr int HASH_MIN = 16; /* MB */
/* Min-max range is useful when exposing params via UCI (see sturddle.py) */
/****************************************************************************
* NAME VALUE MIN MAX
****************************************************************************/
GROUP(Settings)
DECLARE_VALUE( ASPIRATION_WINDOW, 1, 0, 1)
DECLARE_CONST( DEBUG_CAPTURES, 0, 0, 1)
#if EVAL_FUZZ_ENABLED
DECLARE_PARAM( EVAL_FUZZ, 0, 0, 100)
#endif
DECLARE_CONST( FIFTY_MOVES_RULE, 1, 0, 1)
DECLARE_VALUE( FUTILITY_PRUNING, 1, 0, 1)
DECLARE_VALUE( MULTICUT, 1, 0, 1)
DECLARE_CONST( PREALLOCATE_MOVE_COUNT, 192, 0, 512)
/* SEE */
/* -1 disables pin awareness */
DECLARE_VALUE( SEE_PIN_AWARENESS_DEPTH, -1, -1, 100)
DECLARE_CONST( STATIC_EXCHANGES, 0, 0, 1)
DECLARE_ALIAS( SMP_CORES, Threads, 1, 1, THREAD_MAX)
GROUP(Search)
DECLARE_VALUE( DOUBLE_EXT_MARGIN, 853, 0, 1000)
DECLARE_VALUE( DOUBLE_EXT_MAX, 12, 0, 100)
DECLARE_VALUE( LMP_BASE, 2, 2, 100)
DECLARE_VALUE( LATE_MOVE_REDUCTION_COUNT, 4, 0, 100)
DECLARE_VALUE( MIN_EXT_DEPTH, 7, 0, 100)
DECLARE_VALUE( MULTICUT_MARGIN, 827, 0, 1000)
DECLARE_VALUE( NNUE_EVAL_SCALE, 411, 0, 500)
DECLARE_VALUE( NULL_MOVE_DEPTH_WEIGHT, 16, 0, 100)
DECLARE_VALUE( NULL_MOVE_DEPTH_DIV, 3, 1, 100)
DECLARE_VALUE( NULL_MOVE_DIV, 272, 1, 1000)
DECLARE_VALUE( NULL_MOVE_REDUCTION, 4, 0, 100)
DECLARE_VALUE( NULL_MOVE_IMPROVEMENT_DIV, 15, 1, 1000)
DECLARE_VALUE( NULL_MOVE_MARGIN, 105, 0, 1000)
DECLARE_VALUE( NULL_MOVE_MIN, 5, 0, 10)
DECLARE_VALUE( NULL_MOVE_MIN_VERIFICATION_DEPTH, 14, 0, 100)
DECLARE_VALUE( RAZOR_DEPTH_COEFF, 181, 0, 300)
DECLARE_VALUE( RAZOR_INTERCEPT, 245, 0, 300)
#if !WITH_NNUE
DECLARE_VALUE( REBEL_EXTENSION, 2, 1, 10)
DECLARE_VALUE( REBEL_EXTENSION_MARGIN, 185, 0, 500)
#endif /* WITH_NNUE */
DECLARE_VALUE( REVERSE_FUTILITY_MARGIN, 32, 0, 150)
DECLARE_VALUE( SINGULAR_DEPTH_MARGIN, 6, 0, 100)
DECLARE_VALUE( SINGULAR_EVAL_MARGIN, 50, 0, 500)
DECLARE_VALUE( TIME_CTRL_EVAL_THRESHOLD, -50, -150, 0)
GROUP(MoveOrdering)
DECLARE_VALUE( COUNTER_MOVE_BONUS, 127, 0, 500)
DECLARE_VALUE( COUNTER_MOVE_MIN_DEPTH, 3, 0, 20)
DECLARE_VALUE( HISTORY_COUNT_HIGH, 88415, 1, 100000)
DECLARE_VALUE( HISTORY_SCORE_DIV, 43, 1, 100)
DECLARE_VALUE( HISTORY_FAIL_LOW_MARGIN, 1175, 0, 2000)
DECLARE_VALUE( HISTORY_FAIL_LOW_PENALTY, 62, 0, 100)
DECLARE_VALUE( HISTORY_HIGH, 92, 0, 100)
DECLARE_VALUE( HISTORY_LOW, 65, 0, HISTORY_HIGH)
DECLARE_VALUE( HISTORY_MIN_DEPTH, 3, 0, 100)
DECLARE_VALUE( HISTORY_PRUNE, 56, 0, 100)
GROUP(Eval)
DECLARE_VALUE( BISHOP_PAIR, 68, 0, 100)
DECLARE_VALUE( CASTLING_RIGHTS_BONUS, 33, 0, 100)
DECLARE_VALUE( CENTER_ATTACKS, 14, 0, 100)
DECLARE_VALUE( CENTER_OCCUPANCY, 50, 0, 100)
DECLARE_VALUE( EVAL_MARGIN, 300, 0, 5000)
DECLARE_VALUE( EVAL_LOW_DEPTH, 5, 0, 100)
DECLARE_VALUE( KING_ATTACK_DIV, 28, 1, 100)
DECLARE_VALUE( KING_OUT_PENALTY, -150, -500, 0)
DECLARE_VALUE( PAWN_SHIELD, 22, 0, 100)
DECLARE_VALUE( MATERIAL_IMBALANCE, -256, -500, 0)
DECLARE_VALUE( REDUNDANT_ROOK, -325, -500, 0)
DECLARE_VALUE( ENDGAME_CONNECTED_ROOKS, 13, 0, 100)
DECLARE_VALUE( ENDGAME_DEFENDED_PASSED, 15, 0, 100)
DECLARE_VALUE( ENDGAME_KING_QUADRANT, 0, 0, 100)
DECLARE_VALUE( ENDGAME_DOUBLED_PAWNS, -24, -100, 0)
DECLARE_VALUE( ENDGAME_ISOLATED_PAWNS, -15, -100, 0)
DECLARE_VALUE( ENDGAME_PASSED_FORMATION, 32, 0, 250)
DECLARE_VALUE( ENDGAME_PAWN_MAJORITY, 13, 0, 250)
DECLARE_VALUE( ENDGAME_THREATS, 29, 0, 250)
DECLARE_VALUE( ENDGAME_UNBLOCKED_PASSED_6, 145, 0, 250)
DECLARE_VALUE( ENDGAME_UNBLOCKED_PASSED_7, 295, 0, 500)
DECLARE_VALUE( MIDGAME_CONNECTED_ROOKS, 25, 0, 100)
DECLARE_VALUE( MIDGAME_DEFENDED_PASSED, 63, 0, 100)
DECLARE_VALUE( MIDGAME_KING_QUADRANT, 14, 0, 100)
DECLARE_VALUE( MIDGAME_DOUBLED_PAWNS, -20, -100, 0)
DECLARE_VALUE( MIDGAME_ISOLATED_PAWNS, -17, -100, 0)
DECLARE_VALUE( MIDGAME_HALF_OPEN_FILE, 81, 0, 250)
DECLARE_VALUE( MIDGAME_OPEN_FILE, 30, 0, 250)
DECLARE_VALUE( MIDGAME_PASSED_FORMATION, 76, 0, 250)
DECLARE_VALUE( MIDGAME_PAWN_MAJORITY, 48, 0, 250)
DECLARE_VALUE( MIDGAME_THREATS, 67, 0, 250)
DECLARE_VALUE( MIDGAME_UNBLOCKED_PASSED_6, 135, 0, 250)
DECLARE_VALUE( MIDGAME_UNBLOCKED_PASSED_7, 215, 0, 250)
#undef DECLARE_ALIAS
#undef DECLARE_PARAM
#undef DECLARE_VALUE
#undef GROUP