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289b30715d
This commit converts the dependency management from Godeps to the vendor folder, also switching the tool from godep to trash. Since the upstream tool lacks a few features proposed via a few PRs, until those PRs are merged in (if), use github.com/karalabe/trash. You can update dependencies via trash --update. All dependencies have been updated to their latest version. Parts of the build system are reworked to drop old notions of Godeps and invocation of the go vet command so that it doesn't run against the vendor folder, as that will just blow up during vetting. The conversion drops OpenCL (and hence GPU mining support) from ethash and our codebase. The short reasoning is that there's noone to maintain and having opencl libs in our deps messes up builds as go install ./... tries to build them, failing with unsatisfied link errors for the C OpenCL deps. golang.org/x/net/context is not vendored in. We expect it to be fetched by the user (i.e. using go get). To keep ci.go builds reproducible the package is "vendored" in build/_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 %)