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[*] change all std::unordered_map and std::unordered_set into ankerl::unordered_dense::map/set variants (#3442)

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mainly doing this to reduce memory footprint; we all know how nice ankerl::unordered_dense is

in theory 4x faster - in practice these maps arent that "hot" anyways so not likely to have much perf gained

i just want to reduce mem fragmentation to ease my porting process, plus it helps other platforms as well (ahem weak Mediatek devices) :)

Signed-off-by: lizzie <lizzie@eden-emu.dev>

Co-authored-by: Caio Oliveira <caiooliveirafarias0@gmail.com>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3442
Reviewed-by: DraVee <dravee@eden-emu.dev>
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>
This commit is contained in:
lizzie 2026-02-10 03:34:07 +01:00 • committed by crueter
parent 0f8b35c4cd
commit a8093c2a3c
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GPG key ID: 425ACD2D4830EBC6
87 changed files with 368 additions and 254 deletions
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4
src/core/arm/dynarmic/arm_dynarmic_64.h
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@ -1,4 +1,4 @@
// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
@ -8,7 +8,7 @@
#include <atomic>
#include <memory>
#include <unordered_map>
#include <ankerl/unordered_dense.h>
#include <dynarmic/interface/A64/a64.h>
#include "common/common_types.h"

6
src/core/arm/nce/lru_cache.h
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@ -1,11 +1,11 @@
// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include <list>
#include <optional>
#include <shared_mutex>
#include <unordered_map>
#include <ankerl/unordered_dense.h>
#include <utility>
#include "common/logging/log.h"
@ -144,7 +144,7 @@ private:
using list_type = std::list<key_type>;
using list_iterator = typename list_type::iterator;
using map_value_type = std::pair<list_iterator, value_type>;
using map_type = std::unordered_map<key_type, map_value_type>;
using map_type = ankerl::unordered_dense::map<key_type, map_value_type>;
template <typename V>
void insert_or_update(const key_type& key, V&& value) {

4
src/core/arm/nce/patcher.h
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@ -4,7 +4,7 @@
#pragma once
#include <span>
#include <unordered_map>
#include <ankerl/unordered_dense.h>
#include <vector>
#include <oaknut/code_block.hpp>
#include <oaknut/oaknut.hpp>
@ -46,7 +46,7 @@ enum class PatchMode : u32 {
using ModuleTextAddress = u64;
using PatchTextAddress = u64;
using EntryTrampolines = std::unordered_map<ModuleTextAddress, PatchTextAddress>;
using EntryTrampolines = ankerl::unordered_dense::map<ModuleTextAddress, PatchTextAddress>;
class Patcher {
public: