Files
stockfish/src/nnue/network.h
T
Disservin 55df0ee009 Fix Raspberry Pi Compilation
Reported by @Torom over discord.

> dev build fails on Raspberry Pi 5 with clang

```
clang++ -o stockfish benchmark.o bitboard.o evaluate.o main.o misc.o movegen.o movepick.o position.o search.o thread.o timeman.o tt.o uci.o ucioption.o tune.o tbprobe.o nnue_misc.o half_ka_v2_hm.o network.o  -fprofile-instr-generate -latomic -lpthread  -Wall -Wcast-qual -fno-exceptions -std=c++17 -fprofile-instr-generate  -pedantic -Wextra -Wshadow -Wmissing-prototypes -Wconditional-uninitialized -DUSE_PTHREADS -DNDEBUG -O3 -funroll-loops -DIS_64BIT -DUSE_POPCNT -DUSE_NEON=8 -march=armv8.2-a+dotprod -DUSE_NEON_DOTPROD -DGIT_SHA=627974c9 -DGIT_DATE=20240312 -DARCH=armv8-dotprod -flto=full
/tmp/lto-llvm-e9300e.o: in function `_GLOBAL__sub_I_network.cpp':
ld-temp.o:(.text.startup+0x704c): relocation truncated to fit: R_AARCH64_LDST64_ABS_LO12_NC against symbol `gEmbeddedNNUEBigEnd' defined in .rodata section in /tmp/lto-llvm-e9300e.o
/usr/bin/ld: ld-temp.o:(.text.startup+0x704c): warning: one possible cause of this error is that the symbol is being referenced in the indicated code as if it had a larger alignment than was declared where it was defined
ld-temp.o:(.text.startup+0x7068): relocation truncated to fit: R_AARCH64_LDST64_ABS_LO12_NC against symbol `gEmbeddedNNUESmallEnd' defined in .rodata section in /tmp/lto-llvm-e9300e.o
/usr/bin/ld: ld-temp.o:(.text.startup+0x7068): warning: one possible cause of this error is that the symbol is being referenced in the indicated code as if it had a larger alignment than was declared where it was defined
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[2]: *** [Makefile:1051: stockfish] Error 1
make[2]: Leaving directory '/home/torsten/chess/Stockfish_master/src'
make[1]: *** [Makefile:1058: clang-profile-make] Error 2
make[1]: Leaving directory '/home/torsten/chess/Stockfish_master/src'
make: *** [Makefile:886: profile-build] Error 2
```

closes https://github.com/official-stockfish/Stockfish/pull/5106

No functional change
2024-03-12 19:09:50 +01:00

121 lines
3.6 KiB
C++

/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2024 The Stockfish developers (see AUTHORS file)
Stockfish 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.
Stockfish 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/>.
*/
#ifndef NETWORK_H_INCLUDED
#define NETWORK_H_INCLUDED
#include <cstdint>
#include <iostream>
#include <optional>
#include <string>
#include <utility>
#include "../misc.h"
#include "../position.h"
#include "../types.h"
#include "nnue_architecture.h"
#include "nnue_feature_transformer.h"
#include "nnue_misc.h"
namespace Stockfish::Eval::NNUE {
enum class EmbeddedNNUEType {
BIG,
SMALL,
};
template<typename Arch, typename Transformer>
class Network {
public:
Network(EvalFile file, EmbeddedNNUEType type) :
evalFile(file),
embeddedType(type) {}
void load(const std::string& rootDirectory, std::string evalfilePath);
bool save(const std::optional<std::string>& filename) const;
Value evaluate(const Position& pos,
bool adjusted = false,
int* complexity = nullptr,
bool psqtOnly = false) const;
void hint_common_access(const Position& pos, bool psqtOnl) const;
void verify(std::string evalfilePath) const;
NnueEvalTrace trace_evaluate(const Position& pos) const;
private:
void load_user_net(const std::string&, const std::string&);
void load_internal();
void initialize();
bool save(std::ostream&, const std::string&, const std::string&) const;
std::optional<std::string> load(std::istream&);
bool read_header(std::istream&, std::uint32_t*, std::string*) const;
bool write_header(std::ostream&, std::uint32_t, const std::string&) const;
bool read_parameters(std::istream&, std::string&) const;
bool write_parameters(std::ostream&, const std::string&) const;
// Input feature converter
LargePagePtr<Transformer> featureTransformer;
// Evaluation function
AlignedPtr<Arch> network[LayerStacks];
EvalFile evalFile;
EmbeddedNNUEType embeddedType;
// Hash value of evaluation function structure
static constexpr std::uint32_t hash = Transformer::get_hash_value() ^ Arch::get_hash_value();
};
// Definitions of the network types
using SmallFeatureTransformer =
FeatureTransformer<TransformedFeatureDimensionsSmall, &StateInfo::accumulatorSmall>;
using SmallNetworkArchitecture =
NetworkArchitecture<TransformedFeatureDimensionsSmall, L2Small, L3Small>;
using BigFeatureTransformer =
FeatureTransformer<TransformedFeatureDimensionsBig, &StateInfo::accumulatorBig>;
using BigNetworkArchitecture = NetworkArchitecture<TransformedFeatureDimensionsBig, L2Big, L3Big>;
using NetworkBig = Network<BigNetworkArchitecture, BigFeatureTransformer>;
using NetworkSmall = Network<SmallNetworkArchitecture, SmallFeatureTransformer>;
struct Networks {
Networks(NetworkBig&& nB, NetworkSmall&& nS) :
big(std::move(nB)),
small(std::move(nS)) {}
NetworkBig big;
NetworkSmall small;
};
} // namespace Stockfish
#endif