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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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17
src/input_common/input_engine.h
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@ -1,3 +1,6 @@
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
@ -5,7 +8,7 @@
#include <functional>
#include <mutex>
#include <unordered_map>
#include <ankerl/unordered_dense.h>
#include "common/common_types.h"
#include "common/input.h"
@ -267,10 +270,10 @@ protected:
private:
struct ControllerData {
std::unordered_map<int, bool> buttons;
std::unordered_map<int, u8> hat_buttons;
std::unordered_map<int, float> axes;
std::unordered_map<int, BasicMotion> motions;
ankerl::unordered_dense::map<int, bool> buttons;
ankerl::unordered_dense::map<int, u8> hat_buttons;
ankerl::unordered_dense::map<int, float> axes;
ankerl::unordered_dense::map<int, BasicMotion> motions;
Common::Input::BatteryLevel battery{};
Common::Input::BodyColorStatus color{};
Common::Input::CameraStatus camera{};
@ -298,8 +301,8 @@ private:
bool configuring{false};
const std::string input_engine;
int last_callback_key = 0;
std::unordered_map<PadIdentifier, ControllerData> controller_list;
std::unordered_map<int, InputIdentifier> callback_list;
ankerl::unordered_dense::map<PadIdentifier, ControllerData> controller_list;
ankerl::unordered_dense::map<int, InputIdentifier> callback_list;
MappingCallback mapping_callback;
};