Misaki/Misaki.HighPerformance
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add Vector type in SPMD to total of load vector size * lane width of number into memory for simd calculation.

Browse Source
This commit is contained in:
Misaki
2026-02-13 21:47:05 +09:00
parent 75d33d0763
commit 4f964b2d2a
22 changed files with 3682 additions and 447 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
Misaki.HighPerformance.Mathematics/math.cs
View File

@@ -1,3 +1,4 @@
using System.Numerics;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Intrinsics;
@@ -6813,16 +6814,7 @@ public static partial class math
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int lzcnt(uint x)
{
if (x == 0)
{
return 32;
}
LongDoubleUnion u;
u.doubleValue = 0.0;
u.longValue = 0x4330000000000000L + x;
u.doubleValue -= 4503599627370496.0;
return 0x41E - (int)(u.longValue >> 52);
return BitOperations.LeadingZeroCount(x);
}
/// <summary>Returns the componentwise number of leading zeros in the binary representations of a uint2 vector.</summary>
@@ -6869,20 +6861,7 @@ public static partial class math
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int lzcnt(ulong x)
{
if (x == 0)
{
return 64;
}
var xh = (uint)(x >> 32);
var bits = xh != 0 ? xh : (uint)x;
var offset = xh != 0 ? 0x41E : 0x43E;
LongDoubleUnion u;
u.doubleValue = 0.0;
u.longValue = 0x4330000000000000L + bits;
u.doubleValue -= 4503599627370496.0;
return offset - (int)(u.longValue >> 52);
return BitOperations.LeadingZeroCount(x);
}
/// <summary>
@@ -6963,17 +6942,7 @@ public static partial class math
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int tzcnt(uint x)
{
if (x == 0)
{
return 32;
}
x &= (uint)-x;
LongDoubleUnion u;
u.doubleValue = 0.0;
u.longValue = 0x4330000000000000L + x;
u.doubleValue -= 4503599627370496.0;
return (int)(u.longValue >> 52) - 0x3FF;
return BitOperations.TrailingZeroCount(x);
}
/// <summary>
@@ -7053,22 +7022,7 @@ public static partial class math
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int tzcnt(ulong x)
{
if (x == 0)
{
return 64;
}
x = x & (ulong)-(long)x;
var xl = (uint)x;
var bits = xl != 0 ? xl : (uint)(x >> 32);
var offset = xl != 0 ? 0x3FF : 0x3DF;
LongDoubleUnion u;
u.doubleValue = 0.0;
u.longValue = 0x4330000000000000L + bits;
u.doubleValue -= 4503599627370496.0;
return (int)(u.longValue >> 52) - offset;
return BitOperations.TrailingZeroCount(x);
}