rewrite of f32 fma, and other optmization of simd kernel ops

2025-11-10 20:40:19 +08:00
parent 1dee467220
commit 678a846e54
18 changed files with 302 additions and 156 deletions
@@ -31,6 +31,7 @@ using System.Linq;
 using System.Numerics;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
+using System.Runtime.Intrinsics;
 using System.Text;
 using System.Threading.Tasks;

@@ -41,6 +42,7 @@ namespace StgSharp.HighPerformance
    {

        [FieldOffset(0)] internal fixed byte Buffer[32];
+        [FieldOffset(0)] internal Vector256<float> Vec;

        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public ref T AsRef<T>() where T: unmanaged, INumber<T>
@@ -48,6 +50,11 @@ namespace StgSharp.HighPerformance
            return ref Unsafe.As<byte, T>(ref Buffer[0]);
        }

+        public void BroadCastFrom<T>(T value) where T: unmanaged, INumber<T>
+        {
+            Vec = Vector256.CreateScalarUnsafe(value).As<T, float>();
+        }
+
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public ref T Member<T>(int index) where T: unmanaged, INumber<T>
        {