diff options
author | Aditya R <arajan@redhat.com> | 2022-01-20 12:40:07 +0530 |
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committer | Aditya R <arajan@redhat.com> | 2022-01-20 12:40:11 +0530 |
commit | 2c492be00a13bfbc389d2b1b97c6bf91520e280e (patch) | |
tree | a0603d66b29dcc9ab91354ef583ba5e349f8409f /vendor/github.com/klauspost/compress/zstd/blockenc.go | |
parent | f46478c1e9af601759e341de76d4c655b4a66068 (diff) | |
download | podman-2c492be00a13bfbc389d2b1b97c6bf91520e280e.tar.gz podman-2c492be00a13bfbc389d2b1b97c6bf91520e280e.tar.bz2 podman-2c492be00a13bfbc389d2b1b97c6bf91520e280e.zip |
vendor: bump c/common and other vendors
This commit bumps majorly c/common so netavark features could be synced
with podman.
But there are some other vendor bumps as well
[NO NEW TESTS NEEDED]
[NO TESTS NEEDED]
Signed-off-by: Aditya R <arajan@redhat.com>
Diffstat (limited to 'vendor/github.com/klauspost/compress/zstd/blockenc.go')
-rw-r--r-- | vendor/github.com/klauspost/compress/zstd/blockenc.go | 108 |
1 files changed, 54 insertions, 54 deletions
diff --git a/vendor/github.com/klauspost/compress/zstd/blockenc.go b/vendor/github.com/klauspost/compress/zstd/blockenc.go index 3df185ee4..12e8f6f0b 100644 --- a/vendor/github.com/klauspost/compress/zstd/blockenc.go +++ b/vendor/github.com/klauspost/compress/zstd/blockenc.go @@ -51,7 +51,7 @@ func (b *blockEnc) init() { if cap(b.literals) < maxCompressedBlockSize { b.literals = make([]byte, 0, maxCompressedBlockSize) } - const defSeqs = 200 + const defSeqs = 2000 if cap(b.sequences) < defSeqs { b.sequences = make([]seq, 0, defSeqs) } @@ -426,7 +426,7 @@ func fuzzFseEncoder(data []byte) int { return 0 } enc := fseEncoder{} - hist := enc.Histogram()[:256] + hist := enc.Histogram() maxSym := uint8(0) for i, v := range data { v = v & 63 @@ -722,52 +722,53 @@ func (b *blockEnc) encode(org []byte, raw, rawAllLits bool) error { println("Encoded seq", seq, s, "codes:", s.llCode, s.mlCode, s.ofCode, "states:", ll.state, ml.state, of.state, "bits:", llB, mlB, ofB) } seq-- - if llEnc.maxBits+mlEnc.maxBits+ofEnc.maxBits <= 32 { - // No need to flush (common) - for seq >= 0 { - s = b.sequences[seq] - wr.flush32() - llB, ofB, mlB := llTT[s.llCode], ofTT[s.ofCode], mlTT[s.mlCode] - // tabelog max is 8 for all. - of.encode(ofB) - ml.encode(mlB) - ll.encode(llB) - wr.flush32() - - // We checked that all can stay within 32 bits - wr.addBits32NC(s.litLen, llB.outBits) - wr.addBits32NC(s.matchLen, mlB.outBits) - wr.addBits32NC(s.offset, ofB.outBits) - - if debugSequences { - println("Encoded seq", seq, s) - } - - seq-- - } - } else { - for seq >= 0 { - s = b.sequences[seq] - wr.flush32() - llB, ofB, mlB := llTT[s.llCode], ofTT[s.ofCode], mlTT[s.mlCode] - // tabelog max is below 8 for each. - of.encode(ofB) - ml.encode(mlB) - ll.encode(llB) - wr.flush32() - - // ml+ll = max 32 bits total - wr.addBits32NC(s.litLen, llB.outBits) - wr.addBits32NC(s.matchLen, mlB.outBits) - wr.flush32() - wr.addBits32NC(s.offset, ofB.outBits) - - if debugSequences { - println("Encoded seq", seq, s) - } - - seq-- - } + // Store sequences in reverse... + for seq >= 0 { + s = b.sequences[seq] + + ofB := ofTT[s.ofCode] + wr.flush32() // tablelog max is below 8 for each, so it will fill max 24 bits. + //of.encode(ofB) + nbBitsOut := (uint32(of.state) + ofB.deltaNbBits) >> 16 + dstState := int32(of.state>>(nbBitsOut&15)) + int32(ofB.deltaFindState) + wr.addBits16NC(of.state, uint8(nbBitsOut)) + of.state = of.stateTable[dstState] + + // Accumulate extra bits. + outBits := ofB.outBits & 31 + extraBits := uint64(s.offset & bitMask32[outBits]) + extraBitsN := outBits + + mlB := mlTT[s.mlCode] + //ml.encode(mlB) + nbBitsOut = (uint32(ml.state) + mlB.deltaNbBits) >> 16 + dstState = int32(ml.state>>(nbBitsOut&15)) + int32(mlB.deltaFindState) + wr.addBits16NC(ml.state, uint8(nbBitsOut)) + ml.state = ml.stateTable[dstState] + + outBits = mlB.outBits & 31 + extraBits = extraBits<<outBits | uint64(s.matchLen&bitMask32[outBits]) + extraBitsN += outBits + + llB := llTT[s.llCode] + //ll.encode(llB) + nbBitsOut = (uint32(ll.state) + llB.deltaNbBits) >> 16 + dstState = int32(ll.state>>(nbBitsOut&15)) + int32(llB.deltaFindState) + wr.addBits16NC(ll.state, uint8(nbBitsOut)) + ll.state = ll.stateTable[dstState] + + outBits = llB.outBits & 31 + extraBits = extraBits<<outBits | uint64(s.litLen&bitMask32[outBits]) + extraBitsN += outBits + + wr.flush32() + wr.addBits64NC(extraBits, extraBitsN) + + if debugSequences { + println("Encoded seq", seq, s) + } + + seq-- } ml.flush(mlEnc.actualTableLog) of.flush(ofEnc.actualTableLog) @@ -801,14 +802,13 @@ func (b *blockEnc) genCodes() { // nothing to do return } - if len(b.sequences) > math.MaxUint16 { panic("can only encode up to 64K sequences") } // No bounds checks after here: - llH := b.coders.llEnc.Histogram()[:256] - ofH := b.coders.ofEnc.Histogram()[:256] - mlH := b.coders.mlEnc.Histogram()[:256] + llH := b.coders.llEnc.Histogram() + ofH := b.coders.ofEnc.Histogram() + mlH := b.coders.mlEnc.Histogram() for i := range llH { llH[i] = 0 } @@ -820,7 +820,8 @@ func (b *blockEnc) genCodes() { } var llMax, ofMax, mlMax uint8 - for i, seq := range b.sequences { + for i := range b.sequences { + seq := &b.sequences[i] v := llCode(seq.litLen) seq.llCode = v llH[v]++ @@ -844,7 +845,6 @@ func (b *blockEnc) genCodes() { panic(fmt.Errorf("mlMax > maxMatchLengthSymbol (%d), matchlen: %d", mlMax, seq.matchLen)) } } - b.sequences[i] = seq } maxCount := func(a []uint32) int { var max uint32 |