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Add support for opening book to gensfen.

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This commit is contained in:
Tomasz Sobczyk
2020-11-16 14:13:34 +01:00
committed by nodchip
parent d4350a16f3
commit e1dbad47ce
1 changed files with 26 additions and 1 deletions
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27
src/learn/gensfen.cpp
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@@ -2,6 +2,7 @@
#include "sfen_writer.h"
#include "packed_sfen.h"
#include "opening_book.h"
#include "misc.h"
#include "position.h"
@@ -98,6 +99,8 @@ namespace Learner
uint64_t num_threads;
std::string book;
void enforce_constraints()
{
search_depth_max = std::max(search_depth_min, search_depth_max);
@@ -130,6 +133,15 @@ namespace Learner
{
hash.resize(GENSFEN_HASH_SIZE);
if (!prm.book.empty())
{
opening_book = open_opening_book(prm.book, prng);
if (opening_book == nullptr)
{
std::cout << "WARNING: Failed to open opening book " << prm.book << ". Falling back to startpos.\n";
}
}
// Output seed to veryfy by the user if it's not identical by chance.
std::cout << prng << std::endl;
}
@@ -151,6 +163,8 @@ namespace Learner
vector<Key> hash; // 64MB*sizeof(HASH_KEY) = 512MB
std::unique_ptr<OpeningBook> opening_book;
static void set_gensfen_search_limits();
void generate_worker(
@@ -248,7 +262,15 @@ namespace Learner
// When parallelizing, Threads (since this is a vector<Thread*>,
// Do the same for up to Threads[0]...Threads[thread_num-1].
auto& pos = th.rootPos;
pos.set(StartFEN, false, &si, &th);
if (opening_book != nullptr)
{
auto& fen = opening_book->next_fen();
pos.set(fen, false, &si, &th);
}
else
{
pos.set(StartFEN, false, &si, &th);
}
int resign_counter = 0;
bool should_resign = prng.rand(10) > 1;
@@ -822,6 +844,8 @@ namespace Learner
is >> params.write_maxply;
else if (token == "save_every")
is >> params.save_every;
else if (token == "book")
is >> params.book;
else if (token == "random_file_name")
is >> random_file_name;
// Accept also the old option name.
@@ -911,6 +935,7 @@ namespace Learner
<< " - random_multi_pv_depth = " << params.random_multi_pv_depth << endl
<< " - write_minply = " << params.write_minply << endl
<< " - write_maxply = " << params.write_maxply << endl
<< " - book = " << params.book << endl
<< " - output_file_name = " << params.output_file_name << endl
<< " - save_every = " << params.save_every << endl
<< " - random_file_name = " << random_file_name << endl