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mono-jit

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- fix alignment issue with jitcache that could cause a crash.
- Reimplement sparse-jit to only use 1 layer.
    - the old 2 layer approach basically only ever used 1 path due to the bottom-layer size, so doing a double look-up seemed wasteful.
    - changed memory block allocation stategy to allocate based on requested code range instead of the possible address-space.

Co-authored-by: LotP1 <68976644+LotP1@users.noreply.github.com>
This commit is contained in:
LotP
2026-07-10 10:03:48 -05:00
committed by KeatonTheBot
co-authored by LotP1
parent b362f837c5
commit 6c47892b94
8 changed files with 89 additions and 97 deletions
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src/ARMeilleure/Common/AddressTablePresets.cs
+8 -32
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@@ -19,46 +19,22 @@ namespace ARMeilleure.Common
new( 7, 8),
new( 1, 6)
];
private static readonly AddressTableLevel[] _levels64BitSparseTiny =
private static readonly AddressTableLevel[] _monoSparse64Bit =
[
new( 11, 28),
new( 2, 9)
new( 2, 37)
];
private static readonly AddressTableLevel[] _levels32BitSparseTiny =
private static readonly AddressTableLevel[] _monoSparse32Bit =
[
new( 10, 22),
new( 1, 9)
new( 1, 31)
];
private static readonly AddressTableLevel[] _levels64BitSparseGiant =
[
new( 38, 1),
new( 2, 36)
];
private static readonly AddressTableLevel[] _levels32BitSparseGiant =
[
new( 31, 1),
new( 1, 30)
];
//high power will run worse on DDR3 systems and some DDR4 systems due to the higher ram utilization
//low power will never run worse than non-sparse, but for most systems it won't be necessary
//high power is always used, but I've left low power in here for future reference
public static AddressTableLevel[] GetArmPreset(bool for64Bits, bool sparse, bool lowPower = false)
public static AddressTableLevel[] GetArmPreset(bool for64Bits, bool sparse)
{
if (sparse)
{
if (lowPower)
{
return for64Bits ? _levels64BitSparseTiny : _levels32BitSparseTiny;
}
else
{
return for64Bits ? _levels64BitSparseGiant : _levels32BitSparseGiant;
}
return for64Bits ? _monoSparse64Bit : _monoSparse32Bit;
}
else
{