20
vendor/github.com/klauspost/compress/zstd/enc_fast.go
generated
vendored
20
vendor/github.com/klauspost/compress/zstd/enc_fast.go
generated
vendored
@@ -43,7 +43,7 @@ func (e *fastEncoder) Encode(blk *blockEnc, src []byte) {
|
||||
)
|
||||
|
||||
// Protect against e.cur wraparound.
|
||||
for e.cur >= bufferReset {
|
||||
for e.cur >= e.bufferReset-int32(len(e.hist)) {
|
||||
if len(e.hist) == 0 {
|
||||
for i := range e.table[:] {
|
||||
e.table[i] = tableEntry{}
|
||||
@@ -304,13 +304,13 @@ func (e *fastEncoder) EncodeNoHist(blk *blockEnc, src []byte) {
|
||||
minNonLiteralBlockSize = 1 + 1 + inputMargin
|
||||
)
|
||||
if debugEncoder {
|
||||
if len(src) > maxBlockSize {
|
||||
if len(src) > maxCompressedBlockSize {
|
||||
panic("src too big")
|
||||
}
|
||||
}
|
||||
|
||||
// Protect against e.cur wraparound.
|
||||
if e.cur >= bufferReset {
|
||||
if e.cur >= e.bufferReset {
|
||||
for i := range e.table[:] {
|
||||
e.table[i] = tableEntry{}
|
||||
}
|
||||
@@ -538,7 +538,7 @@ encodeLoop:
|
||||
println("returning, recent offsets:", blk.recentOffsets, "extra literals:", blk.extraLits)
|
||||
}
|
||||
// We do not store history, so we must offset e.cur to avoid false matches for next user.
|
||||
if e.cur < bufferReset {
|
||||
if e.cur < e.bufferReset {
|
||||
e.cur += int32(len(src))
|
||||
}
|
||||
}
|
||||
@@ -555,11 +555,9 @@ func (e *fastEncoderDict) Encode(blk *blockEnc, src []byte) {
|
||||
return
|
||||
}
|
||||
// Protect against e.cur wraparound.
|
||||
for e.cur >= bufferReset {
|
||||
for e.cur >= e.bufferReset-int32(len(e.hist)) {
|
||||
if len(e.hist) == 0 {
|
||||
for i := range e.table[:] {
|
||||
e.table[i] = tableEntry{}
|
||||
}
|
||||
e.table = [tableSize]tableEntry{}
|
||||
e.cur = e.maxMatchOff
|
||||
break
|
||||
}
|
||||
@@ -871,7 +869,8 @@ func (e *fastEncoderDict) Reset(d *dict, singleBlock bool) {
|
||||
const shardCnt = tableShardCnt
|
||||
const shardSize = tableShardSize
|
||||
if e.allDirty || dirtyShardCnt > shardCnt*4/6 {
|
||||
copy(e.table[:], e.dictTable)
|
||||
//copy(e.table[:], e.dictTable)
|
||||
e.table = *(*[tableSize]tableEntry)(e.dictTable)
|
||||
for i := range e.tableShardDirty {
|
||||
e.tableShardDirty[i] = false
|
||||
}
|
||||
@@ -883,7 +882,8 @@ func (e *fastEncoderDict) Reset(d *dict, singleBlock bool) {
|
||||
continue
|
||||
}
|
||||
|
||||
copy(e.table[i*shardSize:(i+1)*shardSize], e.dictTable[i*shardSize:(i+1)*shardSize])
|
||||
//copy(e.table[i*shardSize:(i+1)*shardSize], e.dictTable[i*shardSize:(i+1)*shardSize])
|
||||
*(*[shardSize]tableEntry)(e.table[i*shardSize:]) = *(*[shardSize]tableEntry)(e.dictTable[i*shardSize:])
|
||||
e.tableShardDirty[i] = false
|
||||
}
|
||||
e.allDirty = false
|
||||
|
||||
Reference in New Issue
Block a user