Endgame-Analyzer/include/parallel_hashmap/phmap_fwd_decl.h
Maximilian Keßler f0a496a8f0
Use parallel_hashmap library for better performance
This drastically reduces memory usage and also gains some performance.
Since this is a drop-in replacement, there is essentially no downside in
using this.
2024-02-07 19:52:02 +01:00

186 lines
7.7 KiB
C++

#if !defined(phmap_fwd_decl_h_guard_)
#define phmap_fwd_decl_h_guard_
// ---------------------------------------------------------------------------
// Copyright (c) 2019, Gregory Popovitch - greg7mdp@gmail.com
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
// ---------------------------------------------------------------------------
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable : 4514) // unreferenced inline function has been removed
#pragma warning(disable : 4710) // function not inlined
#pragma warning(disable : 4711) // selected for automatic inline expansion
#endif
#include <memory>
#include <utility>
#include <mutex>
#if defined(PHMAP_USE_ABSL_HASH) && !defined(ABSL_HASH_HASH_H_)
namespace absl { template <class T> struct Hash; };
#endif
namespace phmap {
#if defined(PHMAP_USE_ABSL_HASH)
template <class T> using Hash = ::absl::Hash<T>;
#else
template <class T> struct Hash;
#endif
template <class T> struct EqualTo;
template <class T> struct Less;
template <class T> using Allocator = typename std::allocator<T>;
template<class T1, class T2> using Pair = typename std::pair<T1, T2>;
class NullMutex;
namespace priv {
// The hash of an object of type T is computed by using phmap::Hash.
template <class T, class E = void>
struct HashEq
{
using Hash = phmap::Hash<T>;
using Eq = phmap::EqualTo<T>;
};
template <class T>
using hash_default_hash = typename priv::HashEq<T>::Hash;
template <class T>
using hash_default_eq = typename priv::HashEq<T>::Eq;
// type alias for std::allocator so we can forward declare without including other headers
template <class T>
using Allocator = typename phmap::Allocator<T>;
// type alias for std::pair so we can forward declare without including other headers
template<class T1, class T2>
using Pair = typename phmap::Pair<T1, T2>;
} // namespace priv
// ------------- forward declarations for hash containers ----------------------------------
template <class T,
class Hash = phmap::priv::hash_default_hash<T>,
class Eq = phmap::priv::hash_default_eq<T>,
class Alloc = phmap::priv::Allocator<T>> // alias for std::allocator
class flat_hash_set;
template <class K, class V,
class Hash = phmap::priv::hash_default_hash<K>,
class Eq = phmap::priv::hash_default_eq<K>,
class Alloc = phmap::priv::Allocator<
phmap::priv::Pair<const K, V>>> // alias for std::allocator
class flat_hash_map;
template <class T,
class Hash = phmap::priv::hash_default_hash<T>,
class Eq = phmap::priv::hash_default_eq<T>,
class Alloc = phmap::priv::Allocator<T>> // alias for std::allocator
class node_hash_set;
template <class Key, class Value,
class Hash = phmap::priv::hash_default_hash<Key>,
class Eq = phmap::priv::hash_default_eq<Key>,
class Alloc = phmap::priv::Allocator<
phmap::priv::Pair<const Key, Value>>> // alias for std::allocator
class node_hash_map;
template <class T,
class Hash = phmap::priv::hash_default_hash<T>,
class Eq = phmap::priv::hash_default_eq<T>,
class Alloc = phmap::priv::Allocator<T>, // alias for std::allocator
size_t N = 4, // 2**N submaps
class Mutex = phmap::NullMutex> // use std::mutex to enable internal locks
class parallel_flat_hash_set;
template <class K, class V,
class Hash = phmap::priv::hash_default_hash<K>,
class Eq = phmap::priv::hash_default_eq<K>,
class Alloc = phmap::priv::Allocator<
phmap::priv::Pair<const K, V>>, // alias for std::allocator
size_t N = 4, // 2**N submaps
class Mutex = phmap::NullMutex> // use std::mutex to enable internal locks
class parallel_flat_hash_map;
template <class T,
class Hash = phmap::priv::hash_default_hash<T>,
class Eq = phmap::priv::hash_default_eq<T>,
class Alloc = phmap::priv::Allocator<T>, // alias for std::allocator
size_t N = 4, // 2**N submaps
class Mutex = phmap::NullMutex> // use std::mutex to enable internal locks
class parallel_node_hash_set;
template <class Key, class Value,
class Hash = phmap::priv::hash_default_hash<Key>,
class Eq = phmap::priv::hash_default_eq<Key>,
class Alloc = phmap::priv::Allocator<
phmap::priv::Pair<const Key, Value>>, // alias for std::allocator
size_t N = 4, // 2**N submaps
class Mutex = phmap::NullMutex> // use std::mutex to enable internal locks
class parallel_node_hash_map;
// -----------------------------------------------------------------------------
// phmap::parallel_*_hash_* using std::mutex by default
// -----------------------------------------------------------------------------
template <class T,
class Hash = phmap::priv::hash_default_hash<T>,
class Eq = phmap::priv::hash_default_eq<T>,
class Alloc = phmap::priv::Allocator<T>,
size_t N = 4>
using parallel_flat_hash_set_m = parallel_flat_hash_set<T, Hash, Eq, Alloc, N, std::mutex>;
template <class K, class V,
class Hash = phmap::priv::hash_default_hash<K>,
class Eq = phmap::priv::hash_default_eq<K>,
class Alloc = phmap::priv::Allocator<phmap::priv::Pair<const K, V>>,
size_t N = 4>
using parallel_flat_hash_map_m = parallel_flat_hash_map<K, V, Hash, Eq, Alloc, N, std::mutex>;
template <class T,
class Hash = phmap::priv::hash_default_hash<T>,
class Eq = phmap::priv::hash_default_eq<T>,
class Alloc = phmap::priv::Allocator<T>,
size_t N = 4>
using parallel_node_hash_set_m = parallel_node_hash_set<T, Hash, Eq, Alloc, N, std::mutex>;
template <class K, class V,
class Hash = phmap::priv::hash_default_hash<K>,
class Eq = phmap::priv::hash_default_eq<K>,
class Alloc = phmap::priv::Allocator<phmap::priv::Pair<const K, V>>,
size_t N = 4>
using parallel_node_hash_map_m = parallel_node_hash_map<K, V, Hash, Eq, Alloc, N, std::mutex>;
// ------------- forward declarations for btree containers ----------------------------------
template <typename Key, typename Compare = phmap::Less<Key>,
typename Alloc = phmap::Allocator<Key>>
class btree_set;
template <typename Key, typename Compare = phmap::Less<Key>,
typename Alloc = phmap::Allocator<Key>>
class btree_multiset;
template <typename Key, typename Value, typename Compare = phmap::Less<Key>,
typename Alloc = phmap::Allocator<phmap::priv::Pair<const Key, Value>>>
class btree_map;
template <typename Key, typename Value, typename Compare = phmap::Less<Key>,
typename Alloc = phmap::Allocator<phmap::priv::Pair<const Key, Value>>>
class btree_multimap;
} // namespace phmap
#ifdef _MSC_VER
#pragma warning(pop)
#endif
#endif // phmap_fwd_decl_h_guard_