+// Copyright (C) The Lightning Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
package lightning
import (
variant [][][blake2b.Size256]byte
refseqs map[string]map[string][]tileLibRef
compactGenomes map[string][]tileVariantID
- // count [][]int
- seq map[[blake2b.Size256]byte][]byte
- variants int64
+ seq2 map[[2]byte]map[[blake2b.Size256]byte][]byte
+ seq2lock map[[2]byte]sync.Locker
+ variants int64
// if non-nil, write out any tile variants added while tiling
encoder *gob.Encoder
}
return
}
- log.Tracef("loadCompactGenomes: cg %s tag %d variant %d => %d", cg.Name, tag, variant, newvariant)
+ // log.Tracef("loadCompactGenomes: cg %s tag %d variant %d => %d", cg.Name, tag, variant, newvariant)
cg.Variants[i] = newvariant
}
if onLoadGenome != nil {
}
func (tilelib *tileLibrary) loadCompactSequences(cseqs []CompactSequence, variantmap map[tileLibRef]tileVariantID) error {
- log.Debugf("loadCompactSequences: %d", len(cseqs))
+ log.Infof("loadCompactSequences: %d todo", len(cseqs))
for _, cseq := range cseqs {
+ log.Infof("loadCompactSequences: checking %s", cseq.Name)
for _, tseq := range cseq.TileSequences {
for i, libref := range tseq {
if libref.Variant == 0 {
return err
}
}
+ log.Infof("loadCompactSequences: checking %s done", cseq.Name)
}
tilelib.mtx.Lock()
defer tilelib.mtx.Unlock()
for _, cseq := range cseqs {
tilelib.refseqs[cseq.Name] = cseq.TileSequences
}
+ log.Info("loadCompactSequences: done")
return nil
}
ctx, cancel := context.WithCancel(ctx)
defer cancel()
var mtx sync.Mutex
- cgs := []CompactGenome{}
- cseqs := []CompactSequence{}
- variantmap := map[tileLibRef]tileVariantID{}
+ allcgs := make([][]CompactGenome, len(files))
+ allcseqs := make([][]CompactSequence, len(files))
+ allvariantmap := map[tileLibRef]tileVariantID{}
errs := make(chan error, len(files))
log.Infof("LoadDir: read %d files", len(files))
- throttle := throttle{Max: runtime.GOMAXPROCS(0)/2 + 1}
- for _, path := range files {
- path := path
+ for fileno, path := range files {
+ fileno, path := fileno, path
go func() {
- throttle.Acquire()
- defer throttle.Release()
f, err := open(path)
if err != nil {
errs <- err
}
defer f.Close()
defer log.Infof("LoadDir: finished reading %s", path)
- errs <- DecodeLibrary(f, strings.HasSuffix(path, ".gz"), func(ent *LibraryEntry) error {
+
+ var variantmap = map[tileLibRef]tileVariantID{}
+ var cgs []CompactGenome
+ var cseqs []CompactSequence
+ err = DecodeLibrary(f, strings.HasSuffix(path, ".gz"), func(ent *LibraryEntry) error {
if ctx.Err() != nil {
return ctx.Err()
}
}
mtx.Unlock()
}
- variantmapadd := map[tileLibRef]tileVariantID{}
for _, tv := range ent.TileVariants {
- variantmapadd[tileLibRef{Tag: tv.Tag, Variant: tv.Variant}] = tilelib.getRef(tv.Tag, tv.Sequence).Variant
+ variantmap[tileLibRef{Tag: tv.Tag, Variant: tv.Variant}] = tilelib.getRef(tv.Tag, tv.Sequence).Variant
}
- mtx.Lock()
cgs = append(cgs, ent.CompactGenomes...)
cseqs = append(cseqs, ent.CompactSequences...)
- for k, v := range variantmapadd {
- variantmap[k] = v
- }
- mtx.Unlock()
return nil
})
+ allcgs[fileno] = cgs
+ allcseqs[fileno] = cseqs
+ mtx.Lock()
+ defer mtx.Unlock()
+ for k, v := range variantmap {
+ allvariantmap[k] = v
+ }
+ errs <- err
}()
}
for range files {
return err
}
}
+
log.Info("LoadDir: loadCompactGenomes")
- err = tilelib.loadCompactGenomes(cgs, variantmap, onLoadGenome)
+ var flatcgs []CompactGenome
+ for _, cgs := range allcgs {
+ flatcgs = append(flatcgs, cgs...)
+ }
+ err = tilelib.loadCompactGenomes(flatcgs, allvariantmap, onLoadGenome)
if err != nil {
return err
}
+
log.Info("LoadDir: loadCompactSequences")
- err = tilelib.loadCompactSequences(cseqs, variantmap)
+ var flatcseqs []CompactSequence
+ for _, cseqs := range allcseqs {
+ flatcseqs = append(flatcseqs, cseqs...)
+ }
+ err = tilelib.loadCompactSequences(flatcseqs, allvariantmap)
if err != nil {
return err
}
+
log.Info("LoadDir done")
return nil
}
func (tilelib *tileLibrary) WriteDir(dir string) error {
- nfiles := 128
+ ntilefiles := 128
+ nfiles := ntilefiles + len(tilelib.refseqs)
files := make([]*os.File, nfiles)
for i := range files {
f, err := os.OpenFile(fmt.Sprintf("%s/library.%04d.gob.gz", dir, i), os.O_CREATE|os.O_WRONLY, 0666)
}
sort.Strings(cgnames)
+ refnames := make([]string, 0, len(tilelib.refseqs))
+ for name := range tilelib.refseqs {
+ refnames = append(refnames, name)
+ }
+ sort.Strings(refnames)
+
log.Infof("WriteDir: writing %d files", nfiles)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
errs <- err
return
}
- if start == 0 {
- // For now, just write all the refs to
- // the first file
- for name, tseqs := range tilelib.refseqs {
- err := encoders[start].Encode(LibraryEntry{CompactSequences: []CompactSequence{{
- Name: name,
- TileSequences: tseqs,
- }}})
- if err != nil {
- errs <- err
- return
- }
- }
+ if refidx := start - ntilefiles; refidx >= 0 {
+ // write each ref to its own file
+ // (they seem to load very slowly)
+ name := refnames[refidx]
+ errs <- encoders[start].Encode(LibraryEntry{CompactSequences: []CompactSequence{{
+ Name: name,
+ TileSequences: tilelib.refseqs[name],
+ }}})
+ return
}
- for i := start; i < len(cgnames); i += nfiles {
+ for i := start; i < len(cgnames); i += ntilefiles {
err := encoders[start].Encode(LibraryEntry{CompactGenomes: []CompactGenome{{
Name: cgnames[i],
Variants: tilelib.compactGenomes[cgnames[i]],
}
}
tvs := []TileVariant{}
- for tag := start; tag < len(tilelib.variant) && ctx.Err() == nil; tag += nfiles {
+ for tag := start; tag < len(tilelib.variant) && ctx.Err() == nil; tag += ntilefiles {
tvs = tvs[:0]
for idx, hash := range tilelib.variant[tag] {
tvs = append(tvs, TileVariant{
Tag: tagID(tag),
Variant: tileVariantID(idx + 1),
Blake2b: hash,
- Sequence: tilelib.seq[hash],
+ Sequence: tilelib.hashSequence(hash),
})
}
err := encoders[start].Encode(LibraryEntry{TileVariants: tvs})
vlock.Unlock()
if tilelib.retainTileSequences && !dropSeq {
- tilelib.mtx.Lock()
- if tilelib.seq == nil {
- tilelib.seq = map[[blake2b.Size256]byte][]byte{}
+ seqCopy := append([]byte(nil), seq...)
+ if tilelib.seq2 == nil {
+ tilelib.mtx.Lock()
+ if tilelib.seq2 == nil {
+ tilelib.seq2lock = map[[2]byte]sync.Locker{}
+ m := map[[2]byte]map[[blake2b.Size256]byte][]byte{}
+ var k [2]byte
+ for i := 0; i < 256; i++ {
+ k[0] = byte(i)
+ for j := 0; j < 256; j++ {
+ k[1] = byte(j)
+ m[k] = map[[blake2b.Size256]byte][]byte{}
+ tilelib.seq2lock[k] = &sync.Mutex{}
+ }
+ }
+ tilelib.seq2 = m
+ }
+ tilelib.mtx.Unlock()
}
- tilelib.seq[seqhash] = append([]byte(nil), seq...)
- tilelib.mtx.Unlock()
+ var k [2]byte
+ copy(k[:], seqhash[:])
+ locker := tilelib.seq2lock[k]
+ locker.Lock()
+ tilelib.seq2[k][seqhash] = seqCopy
+ locker.Unlock()
}
if tilelib.encoder != nil {
return tileLibRef{Tag: tag, Variant: variant}
}
+func (tilelib *tileLibrary) hashSequence(hash [blake2b.Size256]byte) []byte {
+ var partition [2]byte
+ copy(partition[:], hash[:])
+ return tilelib.seq2[partition][hash]
+}
+
func (tilelib *tileLibrary) TileVariantSequence(libref tileLibRef) []byte {
if libref.Variant == 0 || len(tilelib.variant) <= int(libref.Tag) || len(tilelib.variant[libref.Tag]) < int(libref.Variant) {
return nil
}
- return tilelib.seq[tilelib.variant[libref.Tag][libref.Variant-1]]
+ return tilelib.hashSequence(tilelib.variant[libref.Tag][libref.Variant-1])
}
// Tidy deletes unreferenced tile variants and renumbers variants so
projects / lightning.git / blobdiff