Vectorized noise (but was it a bottleneck?)

src/math.zig

@@ -4,12 +4,35 @@ pub const Iterator3 = @import("math/Iterator3.zig");
 pub const Matrix4x4 = @import("math/Matrix4x4.zig").Matrix4x4;
 pub const Quaternion = @import("math/Quaternion.zig").Quaternion;
 pub const Vector2 = @import("math/Vector2.zig").Vector2;
+pub const Vector2x8 = @import("math/Vector2x8.zig").Vector2x8;
 pub const Vector3 = @import("math/Vector3.zig").Vector3;
 pub const Vector4 = @import("math/Vector4.zig").Vector4;
 
+pub const f32x8 = @Vector(8, f32);
+pub const i32x8 = @Vector(8, i32);
+pub const u32x8 = @Vector(8, u32);
+pub const u64x8 = @Vector(8, u64);
+
+pub inline fn ps(value: f32) f32x8 {
+    return @splat(value);
+}
+
+pub inline fn epi32(value: i32) i32x8 {
+    return @splat(value);
+}
+
+pub inline fn epu32(value: u32) u32x8 {
+    return @splat(value);
+}
+
+pub inline fn epu64x2(value: u64) u64x8 {
+    return @splat(value);
+}
+
 pub inline fn lerp(a: f32, b: f32, t: f32) f32 {
     const s = 1.0 - t;
     return a * t + b * s;
 }
 
 pub const noise2 = @import("math/noise.zig").noise2;
+pub const noise2x8 = @import("math/noise.zig").noise2x8;