forked from vikunja/vikunja
konrad
d28f005552
Fix limit for databases other than sqlite go mod tidy && go mod vendor Remove unneeded break statements Make everything work with the new xorm version Fix xorm logging Fix lint Fix redis init Fix using id field Fix database init for testing Change default database log level Add xorm logger Use const for postgres go mod tidy Merge branch 'master' into update/xorm # Conflicts: # go.mod # go.sum # vendor/modules.txt go mod vendor Fix loading fixtures for postgres Go mod vendor1 Update xorm to version 1 Co-authored-by: kolaente <k@knt.li> Reviewed-on: vikunja/api#323
108 lines
3.5 KiB
Plaintext
108 lines
3.5 KiB
Plaintext
The Snappy compression format in the Go programming language.
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To download and install from source:
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$ go get github.com/golang/snappy
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Unless otherwise noted, the Snappy-Go source files are distributed
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under the BSD-style license found in the LICENSE file.
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Benchmarks.
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The golang/snappy benchmarks include compressing (Z) and decompressing (U) ten
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or so files, the same set used by the C++ Snappy code (github.com/google/snappy
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and note the "google", not "golang"). On an "Intel(R) Core(TM) i7-3770 CPU @
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3.40GHz", Go's GOARCH=amd64 numbers as of 2016-05-29:
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"go test -test.bench=."
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_UFlat0-8 2.19GB/s ± 0% html
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_UFlat1-8 1.41GB/s ± 0% urls
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_UFlat2-8 23.5GB/s ± 2% jpg
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_UFlat3-8 1.91GB/s ± 0% jpg_200
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_UFlat4-8 14.0GB/s ± 1% pdf
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_UFlat5-8 1.97GB/s ± 0% html4
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_UFlat6-8 814MB/s ± 0% txt1
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_UFlat7-8 785MB/s ± 0% txt2
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_UFlat8-8 857MB/s ± 0% txt3
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_UFlat9-8 719MB/s ± 1% txt4
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_UFlat10-8 2.84GB/s ± 0% pb
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_UFlat11-8 1.05GB/s ± 0% gaviota
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_ZFlat0-8 1.04GB/s ± 0% html
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_ZFlat1-8 534MB/s ± 0% urls
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_ZFlat2-8 15.7GB/s ± 1% jpg
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_ZFlat3-8 740MB/s ± 3% jpg_200
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_ZFlat4-8 9.20GB/s ± 1% pdf
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_ZFlat5-8 991MB/s ± 0% html4
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_ZFlat6-8 379MB/s ± 0% txt1
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_ZFlat7-8 352MB/s ± 0% txt2
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_ZFlat8-8 396MB/s ± 1% txt3
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_ZFlat9-8 327MB/s ± 1% txt4
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_ZFlat10-8 1.33GB/s ± 1% pb
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_ZFlat11-8 605MB/s ± 1% gaviota
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"go test -test.bench=. -tags=noasm"
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_UFlat0-8 621MB/s ± 2% html
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_UFlat1-8 494MB/s ± 1% urls
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_UFlat2-8 23.2GB/s ± 1% jpg
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_UFlat3-8 1.12GB/s ± 1% jpg_200
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_UFlat4-8 4.35GB/s ± 1% pdf
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_UFlat5-8 609MB/s ± 0% html4
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_UFlat6-8 296MB/s ± 0% txt1
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_UFlat7-8 288MB/s ± 0% txt2
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_UFlat8-8 309MB/s ± 1% txt3
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_UFlat9-8 280MB/s ± 1% txt4
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_UFlat10-8 753MB/s ± 0% pb
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_UFlat11-8 400MB/s ± 0% gaviota
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_ZFlat0-8 409MB/s ± 1% html
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_ZFlat1-8 250MB/s ± 1% urls
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_ZFlat2-8 12.3GB/s ± 1% jpg
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_ZFlat3-8 132MB/s ± 0% jpg_200
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_ZFlat4-8 2.92GB/s ± 0% pdf
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_ZFlat5-8 405MB/s ± 1% html4
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_ZFlat6-8 179MB/s ± 1% txt1
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_ZFlat7-8 170MB/s ± 1% txt2
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_ZFlat8-8 189MB/s ± 1% txt3
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_ZFlat9-8 164MB/s ± 1% txt4
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_ZFlat10-8 479MB/s ± 1% pb
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_ZFlat11-8 270MB/s ± 1% gaviota
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For comparison (Go's encoded output is byte-for-byte identical to C++'s), here
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are the numbers from C++ Snappy's
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make CXXFLAGS="-O2 -DNDEBUG -g" clean snappy_unittest.log && cat snappy_unittest.log
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BM_UFlat/0 2.4GB/s html
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BM_UFlat/1 1.4GB/s urls
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BM_UFlat/2 21.8GB/s jpg
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BM_UFlat/3 1.5GB/s jpg_200
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BM_UFlat/4 13.3GB/s pdf
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BM_UFlat/5 2.1GB/s html4
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BM_UFlat/6 1.0GB/s txt1
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BM_UFlat/7 959.4MB/s txt2
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BM_UFlat/8 1.0GB/s txt3
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BM_UFlat/9 864.5MB/s txt4
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BM_UFlat/10 2.9GB/s pb
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BM_UFlat/11 1.2GB/s gaviota
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BM_ZFlat/0 944.3MB/s html (22.31 %)
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BM_ZFlat/1 501.6MB/s urls (47.78 %)
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BM_ZFlat/2 14.3GB/s jpg (99.95 %)
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BM_ZFlat/3 538.3MB/s jpg_200 (73.00 %)
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BM_ZFlat/4 8.3GB/s pdf (83.30 %)
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BM_ZFlat/5 903.5MB/s html4 (22.52 %)
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BM_ZFlat/6 336.0MB/s txt1 (57.88 %)
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BM_ZFlat/7 312.3MB/s txt2 (61.91 %)
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BM_ZFlat/8 353.1MB/s txt3 (54.99 %)
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BM_ZFlat/9 289.9MB/s txt4 (66.26 %)
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BM_ZFlat/10 1.2GB/s pb (19.68 %)
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BM_ZFlat/11 527.4MB/s gaviota (37.72 %)
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