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MethodImpl attributes adjustments.

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mlemanczyk committed 2025-12-18 20:10:41 +01:00
1 parent ed299edf56
commit 4edad10be8
2 files changed
+18 -19
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PerfectNumbers.Core/Gpu/GpuUInt128.cs
+16 -17
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@@ -14,7 +14,6 @@ public struct GpuUInt128 : IComparable<GpuUInt128>, IEquatable<GpuUInt128>
private const ulong NativeModuloChunkMask = (1UL << NativeModuloChunkBits) - 1UL;
private const int Pow2WindowSizeBits = 8;
private const int Pow2WindowOddPowerCount = 1 << (Pow2WindowSizeBits - 1);
private const int Pow2WindowMaxExponent = (1 << Pow2WindowSizeBits) - 1;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -54,7 +53,7 @@ public struct GpuUInt128 : IComparable<GpuUInt128>, IEquatable<GpuUInt128>
get => High == 0UL && Low == 0UL;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
public readonly int GetBitLength()
{
ulong temp = High;
@@ -89,7 +88,7 @@ public struct GpuUInt128 : IComparable<GpuUInt128>, IEquatable<GpuUInt128>
public readonly ReadOnlyGpuUInt128 AsReadOnly() => new(this);
// Operators must return fresh instances so callers never rely on accidental in-place mutation. Prefer the mutating helpers when state updates are required.
[MethodImpl(MethodImplOptions.AggressiveInlining)]
[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
public static GpuUInt128 operator +(GpuUInt128 left, GpuUInt128 right)
{
GpuUInt128 result = new(left.High, left.Low);
@@ -97,7 +96,7 @@ public struct GpuUInt128 : IComparable<GpuUInt128>, IEquatable<GpuUInt128>
return result;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
public static GpuUInt128 operator -(GpuUInt128 left, GpuUInt128 right)
{
GpuUInt128 result = new(left.High, left.Low);
@@ -105,18 +104,18 @@ public struct GpuUInt128 : IComparable<GpuUInt128>, IEquatable<GpuUInt128>
return result;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
public static GpuUInt128 operator ^(GpuUInt128 left, GpuUInt128 right) =>
new(left.High ^ right.High, left.Low ^ right.Low);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
public static GpuUInt128 operator *(GpuUInt128 left, GpuUInt128 right)
{
Multiply(left, right, out var high, out var low);
return new GpuUInt128(high, low);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
public static GpuUInt128 operator <<(GpuUInt128 value, int shift)
{
shift &= 127;
@@ -144,7 +143,7 @@ public struct GpuUInt128 : IComparable<GpuUInt128>, IEquatable<GpuUInt128>
return result;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
public static GpuUInt128 operator >>(GpuUInt128 value, int shift)
{
shift &= 127;
@@ -198,7 +197,7 @@ public struct GpuUInt128 : IComparable<GpuUInt128>, IEquatable<GpuUInt128>
return result;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
public readonly int CompareTo(GpuUInt128 other)
{
if (High < other.High)
@@ -224,7 +223,7 @@ public struct GpuUInt128 : IComparable<GpuUInt128>, IEquatable<GpuUInt128>
return 0;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
public readonly int CompareTo(in ReadOnlyGpuUInt128 other)
{
if (High < other.High)
@@ -266,7 +265,7 @@ public struct GpuUInt128 : IComparable<GpuUInt128>, IEquatable<GpuUInt128>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void Add(GpuUInt128 other) => Add(other.High, other.Low);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
public void Add(ulong otherHigh, ulong otherLow)
{
ulong originalLow = Low;
@@ -279,7 +278,7 @@ public struct GpuUInt128 : IComparable<GpuUInt128>, IEquatable<GpuUInt128>
High = low + originalLow;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
public void Add(ulong value)
{
ulong low = Low + value;
@@ -368,7 +367,7 @@ public struct GpuUInt128 : IComparable<GpuUInt128>, IEquatable<GpuUInt128>
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
public void AddMod(in ReadOnlyGpuUInt128 value, ulong modulus)
{
// TODO: Pre-reduce the operands via the Montgomery ladder used in MulMod64Benchmarks so the GPU
@@ -389,7 +388,7 @@ public struct GpuUInt128 : IComparable<GpuUInt128>, IEquatable<GpuUInt128>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void AddMod(GpuUInt128 value, ulong modulus) => AddMod(value.Low, modulus);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
public void AddMod(ulong value, ulong modulus)
{
// TODO: Fold these operands with the ImmediateModulo helper once the GPU shim exposes it, avoiding
@@ -413,7 +412,7 @@ public struct GpuUInt128 : IComparable<GpuUInt128>, IEquatable<GpuUInt128>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void Sub(GpuUInt128 other) => SubInternal(other.High, other.Low);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
private void SubInternal(ulong otherHigh, ulong otherLow)
{
ulong borrow = Low < otherLow ? 1UL : 0UL;
@@ -421,7 +420,7 @@ public struct GpuUInt128 : IComparable<GpuUInt128>, IEquatable<GpuUInt128>
Low -= otherLow;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
public static ulong MulHigh(ulong x, ulong y)
{
// TODO: Review if we can reuse any other existing variables to reduce registry pressure.
@@ -454,7 +453,7 @@ public struct GpuUInt128 : IComparable<GpuUInt128>, IEquatable<GpuUInt128>
return yHigh;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
// Kept by-value to coexist with the ref readonly overload below while still signaling read-only intent.
public void MulMod(ReadOnlyGpuUInt128 value, in ReadOnlyGpuUInt128 modulus)
{