mirror of https://gogs.blitter.com/RLabs/xs
50 lines
1.0 KiB
Go
50 lines
1.0 KiB
Go
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package xor
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// SIMD Extensions
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const (
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none = iota
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avx2
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// first introduced by Intel with the initial version of the Pentium 4 in 2001
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// so I think we can assume all amd64 has sse2
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sse2
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)
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var extension = none
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// Bytes : chose the shortest one as xor size
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// it's better to use it for big data ( > 64bytes )
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func Bytes(dst, src0, src1 []byte) {
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size := len(dst)
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if size > len(src0) {
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size = len(src0)
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}
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if size > len(src1) {
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size = len(src1)
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}
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xorBytes(dst, src0, src1, size)
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}
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// BytesSameLen : all slice's length must be equal
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// cut size branch, save time for small data
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func BytesSameLen(dst, src0, src1 []byte) {
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xorSrc1(dst, src0, src1)
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}
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// BytesSrc0 : src1 >= src0, dst >= src0
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// xor src0's len bytes
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func BytesSrc0(dst, src0, src1 []byte) {
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xorSrc0(dst, src0, src1)
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}
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// BytesSrc1 : src0 >= src1, dst >= src1
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// xor src1's len bytes
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func BytesSrc1(dst, src0, src1 []byte) {
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xorSrc1(dst, src0, src1)
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}
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// Matrix : all slice's length must be equal && != 0
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// len(src) must >= 2
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func Matrix(dst []byte, src [][]byte) {
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xorMatrix(dst, src)
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}
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