Merge pull request #36 from Wunkolo/avx512-vrsqrt14ps

Use more accurate `ReciprocalSqrt` when available
2025-03-28 21:01:31 -07:00
parent 4c34183805 2ac7a78c3c
commit 9961616554
1 changed files with 7 additions and 0 deletions
@@ -114,6 +114,13 @@ internal static class Intrinsics
    [MethodImpl(MethodImplOptions.AggressiveInlining)]
    public static Vector256<float> ReciprocalSqrt(Vector256<float> data)
    {
+#if !IS_DETERMINISTIC
+        // Accurate to 14 bits
+        if (Avx512F.VL.IsSupported)
+            return Avx512F.VL.ReciprocalSqrt14(data);
+#endif
+
+        // Accurate to 12 bits
        if (Avx.IsSupported)
            return Avx.ReciprocalSqrt(data);