Initial QSfera import
This commit is contained in:
Курнат Андрей
+668
@@ -0,0 +1,668 @@
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package xxh3
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// avx512Switch is the size at which the avx512 code is used.
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// Bigger blocks benefit more.
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const avx512Switch = 1 << 10
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func accumScalar(accs *[8]u64, p, secret ptr, l u64) {
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if secret != key {
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accumScalarSeed(accs, p, secret, l)
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return
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}
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for l > _block {
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k := secret
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// accs
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for i := 0; i < 16; i++ {
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{
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const off = 0
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dv0 := readU64(p, 8*off)
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dk0 := dv0 ^ readU64(k, 8*off)
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ac1 := dv0
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ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
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dv1 := readU64(p, 8*off+8)
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dk1 := dv1 ^ readU64(k, 8*off+8)
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ac0 += dv1
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ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
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accs[off] += ac0
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accs[off+1] += ac1
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}
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{
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const off = 2
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dv0 := readU64(p, 8*off)
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dk0 := dv0 ^ readU64(k, 8*off)
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ac1 := dv0
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ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
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dv1 := readU64(p, 8*off+8)
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dk1 := dv1 ^ readU64(k, 8*off+8)
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ac0 += dv1
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ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
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accs[off] += ac0
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accs[off+1] += ac1
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}
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{
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const off = 4
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dv0 := readU64(p, 8*off)
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dk0 := dv0 ^ readU64(k, 8*off)
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ac1 := dv0
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ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
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dv1 := readU64(p, 8*off+8)
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dk1 := dv1 ^ readU64(k, 8*off+8)
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ac0 += dv1
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ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
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accs[off] += ac0
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accs[off+1] += ac1
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}
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{
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const off = 6
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dv0 := readU64(p, 8*off)
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dk0 := dv0 ^ readU64(k, 8*off)
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ac1 := dv0
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ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
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dv1 := readU64(p, 8*off+8)
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dk1 := dv1 ^ readU64(k, 8*off+8)
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ac0 += dv1
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ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
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accs[off] += ac0
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accs[off+1] += ac1
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}
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l -= _stripe
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if l > 0 {
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p, k = ptr(ui(p)+_stripe), ptr(ui(k)+8)
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}
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}
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// scramble accs
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accs[0] ^= accs[0] >> 47
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accs[0] ^= key64_128
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accs[0] *= prime32_1
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accs[1] ^= accs[1] >> 47
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accs[1] ^= key64_136
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accs[1] *= prime32_1
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accs[2] ^= accs[2] >> 47
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accs[2] ^= key64_144
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accs[2] *= prime32_1
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accs[3] ^= accs[3] >> 47
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accs[3] ^= key64_152
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accs[3] *= prime32_1
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accs[4] ^= accs[4] >> 47
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accs[4] ^= key64_160
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accs[4] *= prime32_1
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accs[5] ^= accs[5] >> 47
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accs[5] ^= key64_168
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accs[5] *= prime32_1
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accs[6] ^= accs[6] >> 47
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accs[6] ^= key64_176
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accs[6] *= prime32_1
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accs[7] ^= accs[7] >> 47
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accs[7] ^= key64_184
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accs[7] *= prime32_1
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}
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if l > 0 {
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t, k := (l-1)/_stripe, secret
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for i := u64(0); i < t; i++ {
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{
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const off = 0
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dv0 := readU64(p, 8*off)
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dk0 := dv0 ^ readU64(k, 8*off)
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ac1 := dv0
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ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
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dv1 := readU64(p, 8*off+8)
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dk1 := dv1 ^ readU64(k, 8*off+8)
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ac0 += dv1
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ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
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accs[off] += ac0
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accs[off+1] += ac1
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}
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{
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const off = 2
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dv0 := readU64(p, 8*off)
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dk0 := dv0 ^ readU64(k, 8*off)
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ac1 := dv0
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ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
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dv1 := readU64(p, 8*off+8)
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dk1 := dv1 ^ readU64(k, 8*off+8)
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ac0 += dv1
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ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
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accs[off] += ac0
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accs[off+1] += ac1
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}
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{
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const off = 4
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dv0 := readU64(p, 8*off)
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dk0 := dv0 ^ readU64(k, 8*off)
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ac1 := dv0
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ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
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dv1 := readU64(p, 8*off+8)
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dk1 := dv1 ^ readU64(k, 8*off+8)
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ac0 += dv1
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ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
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accs[off] += ac0
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accs[off+1] += ac1
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}
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{
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const off = 6
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dv0 := readU64(p, 8*off)
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dk0 := dv0 ^ readU64(k, 8*off)
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ac1 := dv0
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ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
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dv1 := readU64(p, 8*off+8)
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dk1 := dv1 ^ readU64(k, 8*off+8)
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ac0 += dv1
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ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
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accs[off] += ac0
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accs[off+1] += ac1
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}
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l -= _stripe
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if l > 0 {
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p, k = ptr(ui(p)+_stripe), ptr(ui(k)+8)
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}
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}
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if l > 0 {
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p = ptr(ui(p) - uintptr(_stripe-l))
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dv0 := readU64(p, 8*0)
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dk0 := dv0 ^ key64_121
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accs[1] += dv0
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accs[0] += uint64(uint32(dk0)) * (dk0 >> 32)
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dv1 := readU64(p, 8*1)
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dk1 := dv1 ^ key64_129
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accs[0] += dv1
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accs[1] += uint64(uint32(dk1)) * (dk1 >> 32)
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dv2 := readU64(p, 8*2)
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dk2 := dv2 ^ key64_137
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accs[3] += dv2
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accs[2] += uint64(uint32(dk2)) * (dk2 >> 32)
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dv3 := readU64(p, 8*3)
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dk3 := dv3 ^ key64_145
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accs[2] += dv3
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accs[3] += uint64(uint32(dk3)) * (dk3 >> 32)
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dv4 := readU64(p, 8*4)
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dk4 := dv4 ^ key64_153
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accs[5] += dv4
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accs[4] += uint64(uint32(dk4)) * (dk4 >> 32)
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dv5 := readU64(p, 8*5)
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dk5 := dv5 ^ key64_161
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accs[4] += dv5
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accs[5] += uint64(uint32(dk5)) * (dk5 >> 32)
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dv6 := readU64(p, 8*6)
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dk6 := dv6 ^ key64_169
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accs[7] += dv6
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accs[6] += uint64(uint32(dk6)) * (dk6 >> 32)
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dv7 := readU64(p, 8*7)
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dk7 := dv7 ^ key64_177
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accs[6] += dv7
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accs[7] += uint64(uint32(dk7)) * (dk7 >> 32)
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}
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}
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}
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func accumBlockScalar(accs *[8]u64, p, secret ptr) {
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if secret != key {
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accumBlockScalarSeed(accs, p, secret)
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return
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}
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// accs
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for i := 0; i < 16; i++ {
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{
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const off = 0
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dv0 := readU64(p, 8*off)
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dk0 := dv0 ^ readU64(secret, 8*off)
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ac1 := dv0
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ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
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dv1 := readU64(p, 8*off+8)
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dk1 := dv1 ^ readU64(secret, 8*off+8)
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ac0 += dv1
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ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
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accs[off] += ac0
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accs[off+1] += ac1
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}
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{
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const off = 2
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dv0 := readU64(p, 8*off)
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dk0 := dv0 ^ readU64(secret, 8*off)
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ac1 := dv0
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ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
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dv1 := readU64(p, 8*off+8)
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dk1 := dv1 ^ readU64(secret, 8*off+8)
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ac0 += dv1
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ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
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accs[off] += ac0
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accs[off+1] += ac1
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}
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{
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const off = 4
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dv0 := readU64(p, 8*off)
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dk0 := dv0 ^ readU64(secret, 8*off)
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ac1 := dv0
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ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
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dv1 := readU64(p, 8*off+8)
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dk1 := dv1 ^ readU64(secret, 8*off+8)
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ac0 += dv1
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ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
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accs[off] += ac0
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accs[off+1] += ac1
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}
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{
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const off = 6
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dv0 := readU64(p, 8*off)
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dk0 := dv0 ^ readU64(secret, 8*off)
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ac1 := dv0
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ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
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dv1 := readU64(p, 8*off+8)
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dk1 := dv1 ^ readU64(secret, 8*off+8)
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ac0 += dv1
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ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
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accs[off] += ac0
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accs[off+1] += ac1
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}
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p, secret = ptr(ui(p)+_stripe), ptr(ui(secret)+8)
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}
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// scramble accs
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accs[0] ^= accs[0] >> 47
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accs[0] ^= key64_128
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accs[0] *= prime32_1
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accs[1] ^= accs[1] >> 47
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accs[1] ^= key64_136
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accs[1] *= prime32_1
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accs[2] ^= accs[2] >> 47
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accs[2] ^= key64_144
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accs[2] *= prime32_1
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accs[3] ^= accs[3] >> 47
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accs[3] ^= key64_152
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accs[3] *= prime32_1
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accs[4] ^= accs[4] >> 47
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accs[4] ^= key64_160
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accs[4] *= prime32_1
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accs[5] ^= accs[5] >> 47
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accs[5] ^= key64_168
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accs[5] *= prime32_1
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accs[6] ^= accs[6] >> 47
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accs[6] ^= key64_176
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accs[6] *= prime32_1
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accs[7] ^= accs[7] >> 47
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accs[7] ^= key64_184
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accs[7] *= prime32_1
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}
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// accumScalarSeed should be used with custom key.
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func accumScalarSeed(accs *[8]u64, p, secret ptr, l u64) {
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for l > _block {
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k := secret
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// accs
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for i := 0; i < 16; i++ {
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{
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const off = 0
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dv0 := readU64(p, 8*off)
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dk0 := dv0 ^ readU64(k, 8*off)
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ac1 := dv0
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ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
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dv1 := readU64(p, 8*off+8)
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dk1 := dv1 ^ readU64(k, 8*off+8)
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ac0 += dv1
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ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
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accs[off] += ac0
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accs[off+1] += ac1
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}
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{
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const off = 2
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dv0 := readU64(p, 8*off)
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dk0 := dv0 ^ readU64(k, 8*off)
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ac1 := dv0
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ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
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dv1 := readU64(p, 8*off+8)
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dk1 := dv1 ^ readU64(k, 8*off+8)
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ac0 += dv1
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ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
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accs[off] += ac0
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accs[off+1] += ac1
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}
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{
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const off = 4
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dv0 := readU64(p, 8*off)
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dk0 := dv0 ^ readU64(k, 8*off)
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ac1 := dv0
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ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
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dv1 := readU64(p, 8*off+8)
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dk1 := dv1 ^ readU64(k, 8*off+8)
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ac0 += dv1
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ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
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accs[off] += ac0
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accs[off+1] += ac1
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}
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{
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const off = 6
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dv0 := readU64(p, 8*off)
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dk0 := dv0 ^ readU64(k, 8*off)
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ac1 := dv0
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ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
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dv1 := readU64(p, 8*off+8)
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dk1 := dv1 ^ readU64(k, 8*off+8)
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ac0 += dv1
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ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
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accs[off] += ac0
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accs[off+1] += ac1
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}
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l -= _stripe
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if l > 0 {
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p, k = ptr(ui(p)+_stripe), ptr(ui(k)+8)
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}
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}
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// scramble accs
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accs[0] ^= accs[0] >> 47
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accs[0] ^= readU64(secret, 128)
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accs[0] *= prime32_1
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accs[1] ^= accs[1] >> 47
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accs[1] ^= readU64(secret, 136)
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accs[1] *= prime32_1
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accs[2] ^= accs[2] >> 47
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accs[2] ^= readU64(secret, 144)
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accs[2] *= prime32_1
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accs[3] ^= accs[3] >> 47
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accs[3] ^= readU64(secret, 152)
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accs[3] *= prime32_1
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accs[4] ^= accs[4] >> 47
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accs[4] ^= readU64(secret, 160)
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accs[4] *= prime32_1
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accs[5] ^= accs[5] >> 47
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accs[5] ^= readU64(secret, 168)
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accs[5] *= prime32_1
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accs[6] ^= accs[6] >> 47
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accs[6] ^= readU64(secret, 176)
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accs[6] *= prime32_1
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accs[7] ^= accs[7] >> 47
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accs[7] ^= readU64(secret, 184)
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accs[7] *= prime32_1
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}
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if l > 0 {
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t, k := (l-1)/_stripe, secret
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for i := u64(0); i < t; i++ {
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{
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const off = 0
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dv0 := readU64(p, 8*off)
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dk0 := dv0 ^ readU64(k, 8*off)
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ac1 := dv0
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ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
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dv1 := readU64(p, 8*off+8)
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dk1 := dv1 ^ readU64(k, 8*off+8)
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ac0 += dv1
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ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
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accs[off] += ac0
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accs[off+1] += ac1
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}
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{
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const off = 2
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dv0 := readU64(p, 8*off)
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dk0 := dv0 ^ readU64(k, 8*off)
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ac1 := dv0
|
||||
ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
|
||||
|
||||
dv1 := readU64(p, 8*off+8)
|
||||
dk1 := dv1 ^ readU64(k, 8*off+8)
|
||||
ac0 += dv1
|
||||
ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
|
||||
|
||||
accs[off] += ac0
|
||||
accs[off+1] += ac1
|
||||
}
|
||||
{
|
||||
const off = 4
|
||||
dv0 := readU64(p, 8*off)
|
||||
dk0 := dv0 ^ readU64(k, 8*off)
|
||||
ac1 := dv0
|
||||
ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
|
||||
|
||||
dv1 := readU64(p, 8*off+8)
|
||||
dk1 := dv1 ^ readU64(k, 8*off+8)
|
||||
ac0 += dv1
|
||||
ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
|
||||
|
||||
accs[off] += ac0
|
||||
accs[off+1] += ac1
|
||||
}
|
||||
{
|
||||
const off = 6
|
||||
dv0 := readU64(p, 8*off)
|
||||
dk0 := dv0 ^ readU64(k, 8*off)
|
||||
ac1 := dv0
|
||||
ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
|
||||
|
||||
dv1 := readU64(p, 8*off+8)
|
||||
dk1 := dv1 ^ readU64(k, 8*off+8)
|
||||
ac0 += dv1
|
||||
ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
|
||||
|
||||
accs[off] += ac0
|
||||
accs[off+1] += ac1
|
||||
}
|
||||
|
||||
l -= _stripe
|
||||
if l > 0 {
|
||||
p, k = ptr(ui(p)+_stripe), ptr(ui(k)+8)
|
||||
}
|
||||
}
|
||||
|
||||
if l > 0 {
|
||||
p = ptr(ui(p) - uintptr(_stripe-l))
|
||||
|
||||
dv0 := readU64(p, 8*0)
|
||||
dk0 := dv0 ^ readU64(secret, 121)
|
||||
accs[1] += dv0
|
||||
accs[0] += uint64(uint32(dk0)) * (dk0 >> 32)
|
||||
|
||||
dv1 := readU64(p, 8*1)
|
||||
dk1 := dv1 ^ readU64(secret, 129)
|
||||
accs[0] += dv1
|
||||
accs[1] += uint64(uint32(dk1)) * (dk1 >> 32)
|
||||
|
||||
dv2 := readU64(p, 8*2)
|
||||
dk2 := dv2 ^ readU64(secret, 137)
|
||||
accs[3] += dv2
|
||||
accs[2] += uint64(uint32(dk2)) * (dk2 >> 32)
|
||||
|
||||
dv3 := readU64(p, 8*3)
|
||||
dk3 := dv3 ^ readU64(secret, 145)
|
||||
accs[2] += dv3
|
||||
accs[3] += uint64(uint32(dk3)) * (dk3 >> 32)
|
||||
|
||||
dv4 := readU64(p, 8*4)
|
||||
dk4 := dv4 ^ readU64(secret, 153)
|
||||
accs[5] += dv4
|
||||
accs[4] += uint64(uint32(dk4)) * (dk4 >> 32)
|
||||
|
||||
dv5 := readU64(p, 8*5)
|
||||
dk5 := dv5 ^ readU64(secret, 161)
|
||||
accs[4] += dv5
|
||||
accs[5] += uint64(uint32(dk5)) * (dk5 >> 32)
|
||||
|
||||
dv6 := readU64(p, 8*6)
|
||||
dk6 := dv6 ^ readU64(secret, 169)
|
||||
accs[7] += dv6
|
||||
accs[6] += uint64(uint32(dk6)) * (dk6 >> 32)
|
||||
|
||||
dv7 := readU64(p, 8*7)
|
||||
dk7 := dv7 ^ readU64(secret, 177)
|
||||
accs[6] += dv7
|
||||
accs[7] += uint64(uint32(dk7)) * (dk7 >> 32)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// accumBlockScalarSeed should be used with custom key.
|
||||
func accumBlockScalarSeed(accs *[8]u64, p, secret ptr) {
|
||||
// accs
|
||||
{
|
||||
secret := secret
|
||||
for i := 0; i < 16; i++ {
|
||||
{
|
||||
const off = 0
|
||||
dv0 := readU64(p, 8*off)
|
||||
dk0 := dv0 ^ readU64(secret, 8*off)
|
||||
ac1 := dv0
|
||||
ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
|
||||
|
||||
dv1 := readU64(p, 8*off+8)
|
||||
dk1 := dv1 ^ readU64(secret, 8*off+8)
|
||||
ac0 += dv1
|
||||
ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
|
||||
|
||||
accs[off] += ac0
|
||||
accs[off+1] += ac1
|
||||
}
|
||||
{
|
||||
const off = 2
|
||||
dv0 := readU64(p, 8*off)
|
||||
dk0 := dv0 ^ readU64(secret, 8*off)
|
||||
ac1 := dv0
|
||||
ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
|
||||
|
||||
dv1 := readU64(p, 8*off+8)
|
||||
dk1 := dv1 ^ readU64(secret, 8*off+8)
|
||||
ac0 += dv1
|
||||
ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
|
||||
|
||||
accs[off] += ac0
|
||||
accs[off+1] += ac1
|
||||
}
|
||||
{
|
||||
const off = 4
|
||||
dv0 := readU64(p, 8*off)
|
||||
dk0 := dv0 ^ readU64(secret, 8*off)
|
||||
ac1 := dv0
|
||||
ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
|
||||
|
||||
dv1 := readU64(p, 8*off+8)
|
||||
dk1 := dv1 ^ readU64(secret, 8*off+8)
|
||||
ac0 += dv1
|
||||
ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
|
||||
|
||||
accs[off] += ac0
|
||||
accs[off+1] += ac1
|
||||
}
|
||||
{
|
||||
const off = 6
|
||||
dv0 := readU64(p, 8*off)
|
||||
dk0 := dv0 ^ readU64(secret, 8*off)
|
||||
ac1 := dv0
|
||||
ac0 := uint64(uint32(dk0)) * (dk0 >> 32)
|
||||
|
||||
dv1 := readU64(p, 8*off+8)
|
||||
dk1 := dv1 ^ readU64(secret, 8*off+8)
|
||||
ac0 += dv1
|
||||
ac1 += uint64(uint32(dk1)) * (dk1 >> 32)
|
||||
|
||||
accs[off] += ac0
|
||||
accs[off+1] += ac1
|
||||
}
|
||||
|
||||
p, secret = ptr(ui(p)+_stripe), ptr(ui(secret)+8)
|
||||
}
|
||||
}
|
||||
|
||||
// scramble accs
|
||||
accs[0] ^= accs[0] >> 47
|
||||
accs[0] ^= readU64(secret, 128)
|
||||
accs[0] *= prime32_1
|
||||
|
||||
accs[1] ^= accs[1] >> 47
|
||||
accs[1] ^= readU64(secret, 136)
|
||||
accs[1] *= prime32_1
|
||||
|
||||
accs[2] ^= accs[2] >> 47
|
||||
accs[2] ^= readU64(secret, 144)
|
||||
accs[2] *= prime32_1
|
||||
|
||||
accs[3] ^= accs[3] >> 47
|
||||
accs[3] ^= readU64(secret, 152)
|
||||
accs[3] *= prime32_1
|
||||
|
||||
accs[4] ^= accs[4] >> 47
|
||||
accs[4] ^= readU64(secret, 160)
|
||||
accs[4] *= prime32_1
|
||||
|
||||
accs[5] ^= accs[5] >> 47
|
||||
accs[5] ^= readU64(secret, 168)
|
||||
accs[5] *= prime32_1
|
||||
|
||||
accs[6] ^= accs[6] >> 47
|
||||
accs[6] ^= readU64(secret, 176)
|
||||
accs[6] *= prime32_1
|
||||
|
||||
accs[7] ^= accs[7] >> 47
|
||||
accs[7] ^= readU64(secret, 184)
|
||||
accs[7] *= prime32_1
|
||||
}
|
||||
Reference in New Issue
Block a user