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* Migrate to go modules * make vendor * Update mvdan.cc/xurls * make vendor * Update code.gitea.io/git * make fmt-check * Update github.com/go-sql-driver/mysql * make vendor |
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| .. | ||
| .gitignore | ||
| AUTHORS | ||
| CONTRIBUTORS | ||
| decode_amd64.go | ||
| decode_amd64.s | ||
| decode_other.go | ||
| decode.go | ||
| encode_amd64.go | ||
| encode_amd64.s | ||
| encode_other.go | ||
| encode.go | ||
| LICENSE | ||
| README | ||
| snappy.go | ||
The Snappy compression format in the Go programming language. To download and install from source: $ go get github.com/golang/snappy Unless otherwise noted, the Snappy-Go source files are distributed under the BSD-style license found in the LICENSE file. Benchmarks. The golang/snappy benchmarks include compressing (Z) and decompressing (U) ten or so files, the same set used by the C++ Snappy code (github.com/google/snappy and note the "google", not "golang"). On an "Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz", Go's GOARCH=amd64 numbers as of 2016-05-29: "go test -test.bench=." _UFlat0-8 2.19GB/s ± 0% html _UFlat1-8 1.41GB/s ± 0% urls _UFlat2-8 23.5GB/s ± 2% jpg _UFlat3-8 1.91GB/s ± 0% jpg_200 _UFlat4-8 14.0GB/s ± 1% pdf _UFlat5-8 1.97GB/s ± 0% html4 _UFlat6-8 814MB/s ± 0% txt1 _UFlat7-8 785MB/s ± 0% txt2 _UFlat8-8 857MB/s ± 0% txt3 _UFlat9-8 719MB/s ± 1% txt4 _UFlat10-8 2.84GB/s ± 0% pb _UFlat11-8 1.05GB/s ± 0% gaviota _ZFlat0-8 1.04GB/s ± 0% html _ZFlat1-8 534MB/s ± 0% urls _ZFlat2-8 15.7GB/s ± 1% jpg _ZFlat3-8 740MB/s ± 3% jpg_200 _ZFlat4-8 9.20GB/s ± 1% pdf _ZFlat5-8 991MB/s ± 0% html4 _ZFlat6-8 379MB/s ± 0% txt1 _ZFlat7-8 352MB/s ± 0% txt2 _ZFlat8-8 396MB/s ± 1% txt3 _ZFlat9-8 327MB/s ± 1% txt4 _ZFlat10-8 1.33GB/s ± 1% pb _ZFlat11-8 605MB/s ± 1% gaviota "go test -test.bench=. -tags=noasm" _UFlat0-8 621MB/s ± 2% html _UFlat1-8 494MB/s ± 1% urls _UFlat2-8 23.2GB/s ± 1% jpg _UFlat3-8 1.12GB/s ± 1% jpg_200 _UFlat4-8 4.35GB/s ± 1% pdf _UFlat5-8 609MB/s ± 0% html4 _UFlat6-8 296MB/s ± 0% txt1 _UFlat7-8 288MB/s ± 0% txt2 _UFlat8-8 309MB/s ± 1% txt3 _UFlat9-8 280MB/s ± 1% txt4 _UFlat10-8 753MB/s ± 0% pb _UFlat11-8 400MB/s ± 0% gaviota _ZFlat0-8 409MB/s ± 1% html _ZFlat1-8 250MB/s ± 1% urls _ZFlat2-8 12.3GB/s ± 1% jpg _ZFlat3-8 132MB/s ± 0% jpg_200 _ZFlat4-8 2.92GB/s ± 0% pdf _ZFlat5-8 405MB/s ± 1% html4 _ZFlat6-8 179MB/s ± 1% txt1 _ZFlat7-8 170MB/s ± 1% txt2 _ZFlat8-8 189MB/s ± 1% txt3 _ZFlat9-8 164MB/s ± 1% txt4 _ZFlat10-8 479MB/s ± 1% pb _ZFlat11-8 270MB/s ± 1% gaviota For comparison (Go's encoded output is byte-for-byte identical to C++'s), here are the numbers from C++ Snappy's make CXXFLAGS="-O2 -DNDEBUG -g" clean snappy_unittest.log && cat snappy_unittest.log BM_UFlat/0 2.4GB/s html BM_UFlat/1 1.4GB/s urls BM_UFlat/2 21.8GB/s jpg BM_UFlat/3 1.5GB/s jpg_200 BM_UFlat/4 13.3GB/s pdf BM_UFlat/5 2.1GB/s html4 BM_UFlat/6 1.0GB/s txt1 BM_UFlat/7 959.4MB/s txt2 BM_UFlat/8 1.0GB/s txt3 BM_UFlat/9 864.5MB/s txt4 BM_UFlat/10 2.9GB/s pb BM_UFlat/11 1.2GB/s gaviota BM_ZFlat/0 944.3MB/s html (22.31 %) BM_ZFlat/1 501.6MB/s urls (47.78 %) BM_ZFlat/2 14.3GB/s jpg (99.95 %) BM_ZFlat/3 538.3MB/s jpg_200 (73.00 %) BM_ZFlat/4 8.3GB/s pdf (83.30 %) BM_ZFlat/5 903.5MB/s html4 (22.52 %) BM_ZFlat/6 336.0MB/s txt1 (57.88 %) BM_ZFlat/7 312.3MB/s txt2 (61.91 %) BM_ZFlat/8 353.1MB/s txt3 (54.99 %) BM_ZFlat/9 289.9MB/s txt4 (66.26 %) BM_ZFlat/10 1.2GB/s pb (19.68 %) BM_ZFlat/11 527.4MB/s gaviota (37.72 %)