# SIMD Implementations ## Topics ### Operators [`static func & (Self.Scalar, Self) -> Self`](/documentation/Swift/SIMD2/&(_:_:)-5sluq) [`static func & (Self, Self) -> Self`](/documentation/Swift/SIMD2/&(_:_:)-6dank) [`static func & (Self, Self.Scalar) -> Self`](/documentation/Swift/SIMD2/&(_:_:)-9cv9t) [`static func &* (Self, Self) -> Self`](/documentation/Swift/SIMD2/&*(_:_:)-1tpsv) [`static func &* (Self, Self.Scalar) -> Self`](/documentation/Swift/SIMD2/&*(_:_:)-2uia9) [`static func &* (Self.Scalar, Self) -> Self`](/documentation/Swift/SIMD2/&*(_:_:)-9lr3o) [`static func &*= (inout Self, Self.Scalar)`](/documentation/Swift/SIMD2/&*=(_:_:)-4n268) [`static func &*= (inout Self, Self)`](/documentation/Swift/SIMD2/&*=(_:_:)-4ua1o) [`static func &+ (Self, Self.Scalar) -> Self`](/documentation/Swift/SIMD2/&+(_:_:)-5jg3m) [`static func &+ (Self, Self) -> Self`](/documentation/Swift/SIMD2/&+(_:_:)-6qrmu) [`static func &+ (Self.Scalar, Self) -> Self`](/documentation/Swift/SIMD2/&+(_:_:)-s654) [`static func &+= (inout Self, Self)`](/documentation/Swift/SIMD2/&+=(_:_:)-15hks) [`static func &+= (inout Self, Self.Scalar)`](/documentation/Swift/SIMD2/&+=(_:_:)-xnu7) [`static func &- (Self.Scalar, Self) -> Self`](/documentation/Swift/SIMD2/&-(_:_:)-4tntq) [`static func &- (Self, Self.Scalar) -> Self`](/documentation/Swift/SIMD2/&-(_:_:)-6usy6) [`static func &- (Self, Self) -> Self`](/documentation/Swift/SIMD2/&-(_:_:)-8tchg) [`static func &-= (inout Self, Self.Scalar)`](/documentation/Swift/SIMD2/&-=(_:_:)-5340e) [`static func &-= (inout Self, Self)`](/documentation/Swift/SIMD2/&-=(_:_:)-8d2hj) [`static func &= (inout Self, Self.Scalar)`](/documentation/Swift/SIMD2/&=(_:_:)-583dj) [`static func &= (inout Self, Self)`](/documentation/Swift/SIMD2/&=(_:_:)-5a7qw) [`static func &<< (Self, Self.Scalar) -> Self`](/documentation/Swift/SIMD2/&__(_:_:)-1cf7o) [`static func &>> (Self, Self.Scalar) -> Self`](/documentation/Swift/SIMD2/&__(_:_:)-8w3q6) [`static func &<< (Self, Self) -> Self`](/documentation/Swift/SIMD2/&__(_:_:)-92xzu) [`static func &<< (Self.Scalar, Self) -> Self`](/documentation/Swift/SIMD2/&__(_:_:)-9j2fk) [`static func &>> (Self.Scalar, Self) -> Self`](/documentation/Swift/SIMD2/&__(_:_:)-inkq) [`static func &>> (Self, Self) -> Self`](/documentation/Swift/SIMD2/&__(_:_:)-onf6) [`static func &>>= (inout Self, Self)`](/documentation/Swift/SIMD2/&__=(_:_:)-2n0zi) [`static func &>>= (inout Self, Self.Scalar)`](/documentation/Swift/SIMD2/&__=(_:_:)-389yv) [`static func &<<= (inout Self, Self)`](/documentation/Swift/SIMD2/&__=(_:_:)-7dkm4) [`static func &<<= (inout Self, Self.Scalar)`](/documentation/Swift/SIMD2/&__=(_:_:)-83fbl) [`static func * (Self, Self) -> Self`](/documentation/Swift/SIMD2/*(_:_:)-2hwhr) [`static func * (Self, Self.Scalar) -> Self`](/documentation/Swift/SIMD2/*(_:_:)-4cbci) [`static func * (Self.Scalar, Self) -> Self`](/documentation/Swift/SIMD2/*(_:_:)-4lojf) [`static func * (Self, Self.Scalar) -> Self`](/documentation/Swift/SIMD2/*(_:_:)-50ffc) [`static func * (Self, Self) -> Self`](/documentation/Swift/SIMD2/*(_:_:)-6ktum) [`static func * (Self.Scalar, Self) -> Self`](/documentation/Swift/SIMD2/*(_:_:)-9wp8w) [`static func *= (inout Self, Self.Scalar)`](/documentation/Swift/SIMD2/*=(_:_:)-27nt8) [`static func *= (inout Self, Self.Scalar)`](/documentation/Swift/SIMD2/*=(_:_:)-3zjz6) [`static func *= (inout Self, Self)`](/documentation/Swift/SIMD2/*=(_:_:)-4j02f) [`static func *= (inout Self, Self)`](/documentation/Swift/SIMD2/*=(_:_:)-5qufm) [`static func + (Self, Self) -> Self`](/documentation/Swift/SIMD2/+(_:_:)-1h79f) [`static func + (Self, Self.Scalar) -> Self`](/documentation/Swift/SIMD2/+(_:_:)-1s6ev) [`static func + (Self, Self) -> Self`](/documentation/Swift/SIMD2/+(_:_:)-2begd) [`static func + (Self, Self.Scalar) -> Self`](/documentation/Swift/SIMD2/+(_:_:)-62pyv) [`static func + (Self.Scalar, Self) -> Self`](/documentation/Swift/SIMD2/+(_:_:)-844oq) [`static func + (Self.Scalar, Self) -> Self`](/documentation/Swift/SIMD2/+(_:_:)-9w9bt) [`static func += (inout Self, Self)`](/documentation/Swift/SIMD2/+=(_:_:)-13ati) [`static func += (inout Self, Self.Scalar)`](/documentation/Swift/SIMD2/+=(_:_:)-33g1r) [`static func += (inout Self, Self.Scalar)`](/documentation/Swift/SIMD2/+=(_:_:)-3it33) [`static func += (inout Self, Self)`](/documentation/Swift/SIMD2/+=(_:_:)-4kf28) [`static func - (Self) -> Self`](/documentation/Swift/SIMD2/-(_:)) [`static func - (Self, Self.Scalar) -> Self`](/documentation/Swift/SIMD2/-(_:_:)-1eq67) [`static func - (Self.Scalar, Self) -> Self`](/documentation/Swift/SIMD2/-(_:_:)-59t7d) [`static func - (Self, Self) -> Self`](/documentation/Swift/SIMD2/-(_:_:)-5hv3b) [`static func - (Self, Self.Scalar) -> Self`](/documentation/Swift/SIMD2/-(_:_:)-5rbq2) [`static func - (Self.Scalar, Self) -> Self`](/documentation/Swift/SIMD2/-(_:_:)-8pa31) [`static func - (Self, Self) -> Self`](/documentation/Swift/SIMD2/-(_:_:)-8vsnc) [`static func -= (inout Self, Self.Scalar)`](/documentation/Swift/SIMD2/-=(_:_:)-5eiqo) [`static func -= (inout Self, Self.Scalar)`](/documentation/Swift/SIMD2/-=(_:_:)-6au1l) [`static func -= (inout Self, Self)`](/documentation/Swift/SIMD2/-=(_:_:)-8oyin) [`static func -= (inout Self, Self)`](/documentation/Swift/SIMD2/-=(_:_:)-90e80) [`static func .!= (Self.Scalar, Self) -> SIMDMask`](/documentation/Swift/SIMD2/.!=(_:_:)-1o5rd) Returns a vector mask with the result of a pointwise inequality comparison. [`static func .!= (Self, Self.Scalar) -> SIMDMask`](/documentation/Swift/SIMD2/.!=(_:_:)-5ko8d) Returns a vector mask with the result of a pointwise inequality comparison. [`static func .!= (Self, Self) -> SIMDMask`](/documentation/Swift/SIMD2/.!=(_:_:)-70n1x) A vector mask with the result of a pointwise inequality comparison. [`static func .== (Self.Scalar, Self) -> SIMDMask`](/documentation/Swift/SIMD2/.==(_:_:)-1q06g) Returns a vector mask with the result of a pointwise equality comparison. [`static func .== (Self, Self.Scalar) -> SIMDMask`](/documentation/Swift/SIMD2/.==(_:_:)-4dd4z) Returns a vector mask with the result of a pointwise equality comparison. [`static func .== (Self, Self) -> SIMDMask`](/documentation/Swift/SIMD2/.==(_:_:)-860hm) A vector mask with the result of a pointwise equality comparison. [`static func .< (Self.Scalar, Self) -> SIMDMask`](/documentation/Swift/SIMD2/._(_:_:)-2n2w2) Returns a vector mask with the result of a pointwise less than comparison. [`static func .> (Self.Scalar, Self) -> SIMDMask`](/documentation/Swift/SIMD2/._(_:_:)-3inug) Returns a vector mask with the result of a pointwise greater than comparison. [`static func .< (Self, Self.Scalar) -> SIMDMask`](/documentation/Swift/SIMD2/._(_:_:)-49wsu) Returns a vector mask with the result of a pointwise less than comparison. [`static func .< (Self, Self) -> SIMDMask`](/documentation/Swift/SIMD2/._(_:_:)-5ldki) Returns a vector mask with the result of a pointwise less than comparison. [`static func .> (Self, Self) -> SIMDMask`](/documentation/Swift/SIMD2/._(_:_:)-5wj3h) Returns a vector mask with the result of a pointwise greater than comparison. [`static func .> (Self, Self.Scalar) -> SIMDMask`](/documentation/Swift/SIMD2/._(_:_:)-6yov0) Returns a vector mask with the result of a pointwise greater than comparison. [`static func .>= (Self.Scalar, Self) -> SIMDMask`](/documentation/Swift/SIMD2/._=(_:_:)-134li) Returns a vector mask with the result of a pointwise greater than or equal comparison. [`static func .<= (Self, Self) -> SIMDMask`](/documentation/Swift/SIMD2/._=(_:_:)-1wtvs) Returns a vector mask with the result of a pointwise less than or equal comparison. [`static func .<= (Self, Self.Scalar) -> SIMDMask`](/documentation/Swift/SIMD2/._=(_:_:)-3m1tr) Returns a vector mask with the result of a pointwise less than or equal comparison. [`static func .>= (Self, Self) -> SIMDMask`](/documentation/Swift/SIMD2/._=(_:_:)-41ri2) Returns a vector mask with the result of a pointwise greater than or equal comparison. [`static func .<= (Self.Scalar, Self) -> SIMDMask`](/documentation/Swift/SIMD2/._=(_:_:)-5jyc4) Returns a vector mask with the result of a pointwise less than or equal comparison. [`static func .>= (Self, Self.Scalar) -> SIMDMask`](/documentation/Swift/SIMD2/._=(_:_:)-9pao5) Returns a vector mask with the result of a pointwise greater than or equal comparison. [`static func == (Self, Self) -> Bool`](/documentation/Swift/SIMD2/==(_:_:)) Returns a Boolean value indicating whether two vectors are equal. [`static func | (Self, Self) -> Self`](/documentation/Swift/SIMD2/_(_:_:)-1t3qy) [`static func / (Self, Self.Scalar) -> Self`](/documentation/Swift/SIMD2/_(_:_:)-2nvzq) [`static func / (Self.Scalar, Self) -> Self`](/documentation/Swift/SIMD2/_(_:_:)-2o8h3) [`static func % (Self, Self) -> Self`](/documentation/Swift/SIMD2/_(_:_:)-2sk6v) [`static func / (Self.Scalar, Self) -> Self`](/documentation/Swift/SIMD2/_(_:_:)-2zahy) [`static func | (Self.Scalar, Self) -> Self`](/documentation/Swift/SIMD2/_(_:_:)-3pc04) [`static func / (Self, Self.Scalar) -> Self`](/documentation/Swift/SIMD2/_(_:_:)-3vp33) [`static func ^ (Self.Scalar, Self) -> Self`](/documentation/Swift/SIMD2/_(_:_:)-6f29q) [`static func ^ (Self, Self.Scalar) -> Self`](/documentation/Swift/SIMD2/_(_:_:)-6ftk7) [`static func ^ (Self, Self) -> Self`](/documentation/Swift/SIMD2/_(_:_:)-7veum) [`static func | (Self, Self.Scalar) -> Self`](/documentation/Swift/SIMD2/_(_:_:)-7vid) [`static func % (Self.Scalar, Self) -> Self`](/documentation/Swift/SIMD2/_(_:_:)-905lf) [`static func / (Self, Self) -> Self`](/documentation/Swift/SIMD2/_(_:_:)-935ut) [`static func % (Self, Self.Scalar) -> Self`](/documentation/Swift/SIMD2/_(_:_:)-9i1cd) [`static func / (Self, Self) -> Self`](/documentation/Swift/SIMD2/_(_:_:)-9ino5) [`static func /= (inout Self, Self.Scalar)`](/documentation/Swift/SIMD2/_=(_:_:)-18kdt) [`static func |= (inout Self, Self.Scalar)`](/documentation/Swift/SIMD2/_=(_:_:)-1tfgs) [`static func /= (inout Self, Self)`](/documentation/Swift/SIMD2/_=(_:_:)-5c1gt) [`static func |= (inout Self, Self)`](/documentation/Swift/SIMD2/_=(_:_:)-6kfnu) [`static func %= (inout Self, Self)`](/documentation/Swift/SIMD2/_=(_:_:)-723sn) [`static func /= (inout Self, Self.Scalar)`](/documentation/Swift/SIMD2/_=(_:_:)-7u42r) [`static func ^= (inout Self, Self)`](/documentation/Swift/SIMD2/_=(_:_:)-8jvd9) [`static func %= (inout Self, Self.Scalar)`](/documentation/Swift/SIMD2/_=(_:_:)-9a0hy) [`static func /= (inout Self, Self)`](/documentation/Swift/SIMD2/_=(_:_:)-9iwfe) [`static func ^= (inout Self, Self.Scalar)`](/documentation/Swift/SIMD2/_=(_:_:)-sxsf) [`static func ~ (Self) -> Self`](/documentation/Swift/SIMD2/~(_:)) ### Initializers [`init(S)`](/documentation/Swift/SIMD2/init(_:)-3f03w) Creates a vector from the given sequence. [`init(arrayLiteral: Self.Scalar...)`](/documentation/Swift/SIMD2/init(arrayLiteral:)) Creates a vector from the specified elements. [`init(from: any Decoder) throws`](/documentation/Swift/SIMD2/init(from:)) Creates a new vector by decoding scalars from the given decoder. [`init(repeating: Self.Scalar)`](/documentation/Swift/SIMD2/init(repeating:)-97uo4) A vector with the specified scalar in all lanes. ### Instance Properties [`var description: String`](/documentation/Swift/SIMD2/description) A textual description of the vector. [`var indices: Range`](/documentation/Swift/SIMD2/indices) The valid indices for subscripting the vector. [`var leadingZeroBitCount: Self`](/documentation/Swift/SIMD2/leadingZeroBitCount) [`var nonzeroBitCount: Self`](/documentation/Swift/SIMD2/nonzeroBitCount) [`var trailingZeroBitCount: Self`](/documentation/Swift/SIMD2/trailingZeroBitCount) ### Instance Methods [`func addProduct(Self, Self)`](/documentation/Swift/SIMD2/addProduct(_:_:)-24o9x) [`func addProduct(Self.Scalar, Self)`](/documentation/Swift/SIMD2/addProduct(_:_:)-48dp5) [`func addProduct(Self, Self.Scalar)`](/documentation/Swift/SIMD2/addProduct(_:_:)-8hqkc) [`func addingProduct(Self, Self.Scalar) -> Self`](/documentation/Swift/SIMD2/addingProduct(_:_:)-1nafl) [`func addingProduct(Self.Scalar, Self) -> Self`](/documentation/Swift/SIMD2/addingProduct(_:_:)-76tvc) [`func addingProduct(Self, Self) -> Self`](/documentation/Swift/SIMD2/addingProduct(_:_:)-94rva) [`func clamp(lowerBound: Self, upperBound: Self)`](/documentation/Swift/SIMD2/clamp(lowerBound:upperBound:)-77fvf) [`func clamp(lowerBound: Self, upperBound: Self)`](/documentation/Swift/SIMD2/clamp(lowerBound:upperBound:)-9havh) [`func clamped(lowerBound: Self, upperBound: Self) -> Self`](/documentation/Swift/SIMD2/clamped(lowerBound:upperBound:)-4qr0j) [`func clamped(lowerBound: Self, upperBound: Self) -> Self`](/documentation/Swift/SIMD2/clamped(lowerBound:upperBound:)-8tjus) [`func encode(to: any Encoder) throws`](/documentation/Swift/SIMD2/encode(to:)) Encodes the scalars of this vector into the given encoder in an unkeyed container. [`func formSquareRoot()`](/documentation/Swift/SIMD2/formSquareRoot()) [`func hash(into: inout Hasher)`](/documentation/Swift/SIMD2/hash(into:)) Hashes the elements of the vector using the given hasher. [`func max() -> Self.Scalar`](/documentation/Swift/SIMD2/max()-71lal) The greatest element in the vector. [`func max() -> Self.Scalar`](/documentation/Swift/SIMD2/max()-xykz) The greatest scalar in the vector. [`func min() -> Self.Scalar`](/documentation/Swift/SIMD2/min()-7qoe7) The least scalar in the vector. [`func min() -> Self.Scalar`](/documentation/Swift/SIMD2/min()-8s2vo) The least element in the vector. [`func replace(with: Self, where: SIMDMask)`](/documentation/Swift/SIMD2/replace(with:where:)-7e48m) Replaces elements of this vector with elements of `other` in the lanes where `mask` is `true`. [`func replace(with: Self.Scalar, where: SIMDMask)`](/documentation/Swift/SIMD2/replace(with:where:)-7yq25) Replaces elements of this vector with `other` in the lanes where `mask` is `true`. [`func replacing(with: Self, where: SIMDMask) -> Self`](/documentation/Swift/SIMD2/replacing(with:where:)-32hlo) Returns a copy of this vector, with elements replaced by elements of `other` in the lanes where `mask` is `true`. [`func replacing(with: Self.Scalar, where: SIMDMask) -> Self`](/documentation/Swift/SIMD2/replacing(with:where:)-3o6pm) Returns a copy of this vector, with elements `other` in the lanes where `mask` is `true`. [`func round(FloatingPointRoundingRule)`](/documentation/Swift/SIMD2/round(_:)) [`func rounded(FloatingPointRoundingRule) -> Self`](/documentation/Swift/SIMD2/rounded(_:)) A vector formed by rounding each lane of the source vector to an integral value according to the specified rounding `rule`. [`func squareRoot() -> Self`](/documentation/Swift/SIMD2/squareRoot()) [`func sum() -> Self.Scalar`](/documentation/Swift/SIMD2/sum()) The sum of the scalars in the vector. [`func wrappedSum() -> Self.Scalar`](/documentation/Swift/SIMD2/wrappedSum()) Returns the sum of the scalars in the vector, computed with wrapping addition. ### Type Properties [`static var one: Self`](/documentation/Swift/SIMD2/one-1gj1r) A vector with one in all lanes. [`static var one: Self`](/documentation/Swift/SIMD2/one-7ehgf) A vector with one in all lanes. [`static var zero: Self`](/documentation/Swift/SIMD2/zero-1xeqr) A vector with zero in all lanes. [`static var zero: Self`](/documentation/Swift/SIMD2/zero-6rme0) A vector with zero in all lanes. ### Type Methods [`static func random(in: ClosedRange) -> Self`](/documentation/Swift/SIMD2/random(in:)-3wbi8) Returns a vector with random values from within the specified range in all lanes. [`static func random(in: Range) -> Self`](/documentation/Swift/SIMD2/random(in:)-6jji8) Returns a vector with random values from within the specified range in all lanes. [`static func random(in: ClosedRange, using: inout T) -> Self`](/documentation/Swift/SIMD2/random(in:using:)-6dc38) Returns a vector with random values from within the specified range in all lanes, using the given generator as a source for randomness. [`static func random(in: Range, using: inout T) -> Self`](/documentation/Swift/SIMD2/random(in:using:)-7xbgv) Returns a vector with random values from within the specified range in all lanes, using the given generator as a source for randomness. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)