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Add "seed" option to gensfen and learn

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This commit is contained in:
Tomasz Sobczyk
2020-09-16 14:43:21 +02:00
committed by nodchip
parent efca5d561f
commit 184bde47dc
3 changed files with 32 additions and 22 deletions
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10
src/learn/gensfen.cpp
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@@ -355,7 +355,8 @@ namespace Learner
// It must be 2**N because it will be used as the mask to calculate hash_index.
static_assert((GENSFEN_HASH_SIZE& (GENSFEN_HASH_SIZE - 1)) == 0);
MultiThinkGenSfen(int search_depth_min_, int search_depth_max_, SfenWriter& sw_) :
MultiThinkGenSfen(int search_depth_min_, int search_depth_max_, SfenWriter& sw_, const std::string& seed) :
MultiThink(seed),
search_depth_min(search_depth_min_),
search_depth_max(search_depth_max_),
sfen_writer(sw_)
@@ -1055,6 +1056,7 @@ namespace Learner
bool random_file_name = false;
std::string sfen_format;
std::string seed;
while (true)
{
@@ -1111,6 +1113,8 @@ namespace Learner
is >> detect_draw_by_insufficient_mating_material;
else if (token == "sfen_format")
is >> sfen_format;
else if (token == "seed")
is >> seed;
else
cout << "Error! : Illegal token " << token << endl;
}
@@ -1137,7 +1141,7 @@ namespace Learner
{
// Give a random number to output_file_name at this point.
// Do not use std::random_device(). Because it always the same integers on MinGW.
PRNG r(std::chrono::system_clock::now().time_since_epoch().count());
PRNG r(seed);
// Just in case, reassign the random numbers.
for (int i = 0; i < 10; ++i)
r.rand(1);
@@ -1182,7 +1186,7 @@ namespace Learner
SfenWriter sfen_writer(output_file_name, thread_num);
sfen_writer.set_save_interval(save_every);
MultiThinkGenSfen multi_think(search_depth_min, search_depth_max, sfen_writer);
MultiThinkGenSfen multi_think(search_depth_min, search_depth_max, sfen_writer, seed);
multi_think.nodes = nodes;
multi_think.set_loop_max(loop_max);
multi_think.eval_limit = eval_limit;