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[android, core] pin core threads to logical CPUs 0-3 (#3121)

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this basically allows the threads to exist in these logical CPUs, undisturbed, and without trashing each other's cache
this could improve performance, very tricky thing to pull off correctly, but again, this is mostly an experiment
will mainly benefit: Linux, Android, FreeBSD, Windows (not ARM)
Additionally, this means no context trashing :)

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/3121
Reviewed-by: DraVee <dravee@eden-emu.dev>
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>
This commit is contained in:
lizzie 2026-02-01 01:54:59 +01:00 • committed by crueter
parent acf7deea95
commit 1925726b96
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3 changed files with 51 additions and 31 deletions
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4
src/common/thread.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: 2013 Dolphin Emulator Project
@ -106,7 +106,7 @@ enum class ThreadPriority : u32 {
};
void SetCurrentThreadPriority(ThreadPriority new_priority);
void SetCurrentThreadName(const char* name);
void PinCurrentThreadToPerformanceCore(size_t core_id);
} // namespace Common