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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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6
src/dynarmic/tests/A64/fibonacci.cpp
View file

@ -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
/* This file is part of the dynarmic project.
@ -8,7 +8,7 @@
#include <array>
#include <exception>
#include <unordered_map>
#include <ankerl/unordered_dense.h>
#include <catch2/catch_test_macros.hpp>
#include "dynarmic/common/common_types.h"
@ -23,7 +23,7 @@ namespace {
class MyEnvironment final : public A64::UserCallbacks {
public:
u64 ticks_left = 0;
std::unordered_map<u64, u8> memory{};
ankerl::unordered_dense::map<u64, u8> memory{};
u8 MemoryRead8(u64 vaddr) override {
return memory[vaddr];

6
src/dynarmic/tests/A64/testenv.h
View file

@ -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
/* This file is part of the dynarmic project.
@ -8,7 +8,7 @@
#pragma once
#include <unordered_map>
#include <ankerl/unordered_dense.h>
#include "dynarmic/common/assert.h"
#include "dynarmic/common/common_types.h"
#include "dynarmic/interface/A64/a64.h"
@ -23,7 +23,7 @@ public:
u64 code_mem_start_address = 0;
std::vector<u32> code_mem;
std::unordered_map<u64, u8> modified_memory;
ankerl::unordered_dense::map<u64, u8> modified_memory;
std::vector<std::string> interrupts;
bool IsInCodeMem(u64 vaddr) const {