mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2025-10-31 00:42:24 -05:00
[chore] migrate oauth2 -> codeberg (#3857)
This commit is contained in:
tobi
GitHub
parent
49c12636c6
commit
8488ac9286
65 changed files with 1677 additions and 1221 deletions
416
vendor/github.com/klauspost/compress/s2/encode_better.go
generated
vendored
416
vendor/github.com/klauspost/compress/s2/encode_better.go
generated
vendored
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@ -348,12 +348,7 @@ func encodeBlockBetterSnappyGo(dst, src []byte) (d int) {
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nextS := 0
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for {
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// Next src position to check
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nextS = (s-nextEmit)>>7 + 1
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if nextS > maxSkip {
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nextS = s + maxSkip
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} else {
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nextS += s
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}
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nextS = min(s+(s-nextEmit)>>7+1, s+maxSkip)
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if nextS > sLimit {
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goto emitRemainder
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@ -483,6 +478,415 @@ emitRemainder:
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return d
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}
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func encodeBlockBetterGo64K(dst, src []byte) (d int) {
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// sLimit is when to stop looking for offset/length copies. The inputMargin
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// lets us use a fast path for emitLiteral in the main loop, while we are
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// looking for copies.
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sLimit := len(src) - inputMargin
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if len(src) < minNonLiteralBlockSize {
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return 0
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}
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// Initialize the hash tables.
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// Use smaller tables for smaller blocks
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const (
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// Long hash matches.
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lTableBits = 16
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maxLTableSize = 1 << lTableBits
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// Short hash matches.
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sTableBits = 13
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maxSTableSize = 1 << sTableBits
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)
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var lTable [maxLTableSize]uint16
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var sTable [maxSTableSize]uint16
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// Bail if we can't compress to at least this.
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dstLimit := len(src) - len(src)>>5 - 6
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// nextEmit is where in src the next emitLiteral should start from.
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nextEmit := 0
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// The encoded form must start with a literal, as there are no previous
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// bytes to copy, so we start looking for hash matches at s == 1.
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s := 1
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cv := load64(src, s)
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// We initialize repeat to 0, so we never match on first attempt
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repeat := 0
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for {
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candidateL := 0
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nextS := 0
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for {
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// Next src position to check
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nextS = s + (s-nextEmit)>>6 + 1
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if nextS > sLimit {
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goto emitRemainder
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}
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hashL := hash7(cv, lTableBits)
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hashS := hash4(cv, sTableBits)
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candidateL = int(lTable[hashL])
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candidateS := int(sTable[hashS])
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lTable[hashL] = uint16(s)
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sTable[hashS] = uint16(s)
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valLong := load64(src, candidateL)
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valShort := load64(src, candidateS)
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// If long matches at least 8 bytes, use that.
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if cv == valLong {
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break
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}
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if cv == valShort {
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candidateL = candidateS
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break
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}
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// Check repeat at offset checkRep.
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const checkRep = 1
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// Minimum length of a repeat. Tested with various values.
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// While 4-5 offers improvements in some, 6 reduces
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// regressions significantly.
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const wantRepeatBytes = 6
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const repeatMask = ((1 << (wantRepeatBytes * 8)) - 1) << (8 * checkRep)
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if false && repeat > 0 && cv&repeatMask == load64(src, s-repeat)&repeatMask {
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base := s + checkRep
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// Extend back
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for i := base - repeat; base > nextEmit && i > 0 && src[i-1] == src[base-1]; {
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i--
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base--
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}
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d += emitLiteral(dst[d:], src[nextEmit:base])
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// Extend forward
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candidate := s - repeat + wantRepeatBytes + checkRep
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s += wantRepeatBytes + checkRep
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for s < len(src) {
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if len(src)-s < 8 {
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if src[s] == src[candidate] {
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s++
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candidate++
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continue
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}
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break
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}
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if diff := load64(src, s) ^ load64(src, candidate); diff != 0 {
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s += bits.TrailingZeros64(diff) >> 3
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break
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}
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s += 8
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candidate += 8
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}
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// same as `add := emitCopy(dst[d:], repeat, s-base)` but skips storing offset.
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d += emitRepeat(dst[d:], repeat, s-base)
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nextEmit = s
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if s >= sLimit {
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goto emitRemainder
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}
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// Index in-between
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index0 := base + 1
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index1 := s - 2
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for index0 < index1 {
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cv0 := load64(src, index0)
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cv1 := load64(src, index1)
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lTable[hash7(cv0, lTableBits)] = uint16(index0)
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sTable[hash4(cv0>>8, sTableBits)] = uint16(index0 + 1)
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lTable[hash7(cv1, lTableBits)] = uint16(index1)
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sTable[hash4(cv1>>8, sTableBits)] = uint16(index1 + 1)
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index0 += 2
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index1 -= 2
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}
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cv = load64(src, s)
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continue
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}
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// Long likely matches 7, so take that.
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if uint32(cv) == uint32(valLong) {
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break
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}
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// Check our short candidate
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if uint32(cv) == uint32(valShort) {
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// Try a long candidate at s+1
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hashL = hash7(cv>>8, lTableBits)
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candidateL = int(lTable[hashL])
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lTable[hashL] = uint16(s + 1)
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if uint32(cv>>8) == load32(src, candidateL) {
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s++
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break
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}
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// Use our short candidate.
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candidateL = candidateS
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break
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}
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cv = load64(src, nextS)
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s = nextS
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}
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// Extend backwards
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for candidateL > 0 && s > nextEmit && src[candidateL-1] == src[s-1] {
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candidateL--
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s--
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}
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// Bail if we exceed the maximum size.
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if d+(s-nextEmit) > dstLimit {
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return 0
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}
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base := s
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offset := base - candidateL
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// Extend the 4-byte match as long as possible.
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s += 4
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candidateL += 4
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for s < len(src) {
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if len(src)-s < 8 {
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if src[s] == src[candidateL] {
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s++
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candidateL++
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continue
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}
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break
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}
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if diff := load64(src, s) ^ load64(src, candidateL); diff != 0 {
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s += bits.TrailingZeros64(diff) >> 3
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break
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}
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s += 8
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candidateL += 8
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}
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d += emitLiteral(dst[d:], src[nextEmit:base])
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if repeat == offset {
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d += emitRepeat(dst[d:], offset, s-base)
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} else {
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d += emitCopy(dst[d:], offset, s-base)
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repeat = offset
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}
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nextEmit = s
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if s >= sLimit {
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goto emitRemainder
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}
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if d > dstLimit {
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// Do we have space for more, if not bail.
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return 0
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}
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// Index short & long
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index0 := base + 1
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index1 := s - 2
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cv0 := load64(src, index0)
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cv1 := load64(src, index1)
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lTable[hash7(cv0, lTableBits)] = uint16(index0)
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sTable[hash4(cv0>>8, sTableBits)] = uint16(index0 + 1)
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// lTable could be postponed, but very minor difference.
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lTable[hash7(cv1, lTableBits)] = uint16(index1)
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sTable[hash4(cv1>>8, sTableBits)] = uint16(index1 + 1)
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index0 += 1
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index1 -= 1
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cv = load64(src, s)
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// Index large values sparsely in between.
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// We do two starting from different offsets for speed.
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index2 := (index0 + index1 + 1) >> 1
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for index2 < index1 {
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lTable[hash7(load64(src, index0), lTableBits)] = uint16(index0)
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lTable[hash7(load64(src, index2), lTableBits)] = uint16(index2)
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index0 += 2
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index2 += 2
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}
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}
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emitRemainder:
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if nextEmit < len(src) {
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// Bail if we exceed the maximum size.
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if d+len(src)-nextEmit > dstLimit {
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return 0
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}
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d += emitLiteral(dst[d:], src[nextEmit:])
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}
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return d
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}
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// encodeBlockBetterSnappyGo encodes a non-empty src to a guaranteed-large-enough dst. It
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// assumes that the varint-encoded length of the decompressed bytes has already
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// been written.
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//
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// It also assumes that:
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//
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// len(dst) >= MaxEncodedLen(len(src)) &&
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// minNonLiteralBlockSize <= len(src) && len(src) <= maxBlockSize
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func encodeBlockBetterSnappyGo64K(dst, src []byte) (d int) {
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// sLimit is when to stop looking for offset/length copies. The inputMargin
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// lets us use a fast path for emitLiteral in the main loop, while we are
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// looking for copies.
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sLimit := len(src) - inputMargin
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if len(src) < minNonLiteralBlockSize {
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return 0
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}
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// Initialize the hash tables.
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// Use smaller tables for smaller blocks
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const (
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// Long hash matches.
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lTableBits = 15
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maxLTableSize = 1 << lTableBits
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// Short hash matches.
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sTableBits = 13
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maxSTableSize = 1 << sTableBits
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)
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var lTable [maxLTableSize]uint16
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var sTable [maxSTableSize]uint16
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// Bail if we can't compress to at least this.
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dstLimit := len(src) - len(src)>>5 - 6
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// nextEmit is where in src the next emitLiteral should start from.
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nextEmit := 0
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// The encoded form must start with a literal, as there are no previous
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// bytes to copy, so we start looking for hash matches at s == 1.
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s := 1
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cv := load64(src, s)
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const maxSkip = 100
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for {
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candidateL := 0
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nextS := 0
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for {
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// Next src position to check
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nextS = min(s+(s-nextEmit)>>6+1, s+maxSkip)
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if nextS > sLimit {
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goto emitRemainder
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}
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hashL := hash7(cv, lTableBits)
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hashS := hash4(cv, sTableBits)
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candidateL = int(lTable[hashL])
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candidateS := int(sTable[hashS])
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lTable[hashL] = uint16(s)
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sTable[hashS] = uint16(s)
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if uint32(cv) == load32(src, candidateL) {
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break
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}
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// Check our short candidate
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if uint32(cv) == load32(src, candidateS) {
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// Try a long candidate at s+1
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hashL = hash7(cv>>8, lTableBits)
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candidateL = int(lTable[hashL])
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lTable[hashL] = uint16(s + 1)
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if uint32(cv>>8) == load32(src, candidateL) {
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s++
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break
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}
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// Use our short candidate.
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candidateL = candidateS
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break
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}
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cv = load64(src, nextS)
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s = nextS
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}
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// Extend backwards
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for candidateL > 0 && s > nextEmit && src[candidateL-1] == src[s-1] {
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candidateL--
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s--
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}
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// Bail if we exceed the maximum size.
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if d+(s-nextEmit) > dstLimit {
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return 0
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}
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base := s
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offset := base - candidateL
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// Extend the 4-byte match as long as possible.
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s += 4
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candidateL += 4
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for s < len(src) {
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if len(src)-s < 8 {
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if src[s] == src[candidateL] {
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s++
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candidateL++
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continue
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}
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break
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}
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if diff := load64(src, s) ^ load64(src, candidateL); diff != 0 {
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s += bits.TrailingZeros64(diff) >> 3
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break
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}
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s += 8
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candidateL += 8
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}
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d += emitLiteral(dst[d:], src[nextEmit:base])
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d += emitCopyNoRepeat(dst[d:], offset, s-base)
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nextEmit = s
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if s >= sLimit {
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goto emitRemainder
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}
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if d > dstLimit {
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// Do we have space for more, if not bail.
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return 0
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}
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// Index short & long
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index0 := base + 1
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index1 := s - 2
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cv0 := load64(src, index0)
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cv1 := load64(src, index1)
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lTable[hash7(cv0, lTableBits)] = uint16(index0)
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sTable[hash4(cv0>>8, sTableBits)] = uint16(index0 + 1)
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lTable[hash7(cv1, lTableBits)] = uint16(index1)
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sTable[hash4(cv1>>8, sTableBits)] = uint16(index1 + 1)
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index0 += 1
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index1 -= 1
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cv = load64(src, s)
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// Index large values sparsely in between.
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// We do two starting from different offsets for speed.
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index2 := (index0 + index1 + 1) >> 1
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for index2 < index1 {
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lTable[hash7(load64(src, index0), lTableBits)] = uint16(index0)
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lTable[hash7(load64(src, index2), lTableBits)] = uint16(index2)
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index0 += 2
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index2 += 2
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}
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}
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emitRemainder:
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if nextEmit < len(src) {
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// Bail if we exceed the maximum size.
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if d+len(src)-nextEmit > dstLimit {
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return 0
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}
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d += emitLiteral(dst[d:], src[nextEmit:])
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}
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return d
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}
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// encodeBlockBetterDict encodes a non-empty src to a guaranteed-large-enough dst. It
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// assumes that the varint-encoded length of the decompressed bytes has already
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// been written.
|
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|
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