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src/compress/testdata"
This reverts commit 067bb443af6b44cb026ab182a26d157dbd1b2dd6.
Reason for revert:
Failing Darwin-arm builds because that testing environment does not access testdata
from sibling directories. A future change will likely be made to move this testdata
out of src/testdata to create a solution that doesn't require the single-file directory.
Updates #27151
Change-Id: I8dbf5dd9512c94a605ee749ff4655cb00b0de686
Reviewed-on: https://go-review.googlesource.com/138737
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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This text is used mainly for benchmark compression testing, and in one
net test. The text was prevoiusly in a src/testdata directory, but since
that directory would only include one file, the text is moved to the
existing src/compression/testdata directory.
This does not cause any change to the benchmark results.
Updates #27151
Change-Id: I38ab5089dfe744189a970947d15be50ef1d48517
Reviewed-on: https://go-review.googlesource.com/138495
Run-TryBot: Katie Hockman <katie@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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The previous book was 387 KiB decompressed and 119 KiB compressed, the
new book is 567 KiB decompressed and 132 KiB compressed. Overall, this
change will reduce the release binary size by 196 KiB. The new book will
allow for slightly more extensive compression testing with a larger
text.
Command to run the benchmark tests used with benchstat:
`../bin/go test -run='^$' -count=4 -bench=. compress/bzip2 compress/flate`
When running the benchmarks locally, changed "Newton" to "Twain" and
filtered the tests with the -bench flag to include only those which were
relevant to these changes.
benchstat results below:
name old time/op new time/op delta
DecodeTwain-8 19.6ms ± 2% 24.1ms ± 1% +23.04% (p=0.029 n=4+4)
Decode/Twain/Huffman/1e4-8 140µs ± 3% 139µs ± 5% ~ (p=0.886 n=4+4)
Decode/Twain/Huffman/1e5-8 1.27ms ± 3% 1.26ms ± 1% ~ (p=1.000 n=4+4)
Decode/Twain/Huffman/1e6-8 12.4ms ± 0% 13.2ms ± 1% +6.42% (p=0.029 n=4+4)
Decode/Twain/Speed/1e4-8 133µs ± 1% 123µs ± 1% -7.35% (p=0.029 n=4+4)
Decode/Twain/Speed/1e5-8 1.20ms ± 0% 1.02ms ± 3% -15.32% (p=0.029 n=4+4)
Decode/Twain/Speed/1e6-8 12.0ms ± 2% 10.1ms ± 3% -15.89% (p=0.029 n=4+4)
Decode/Twain/Default/1e4-8 131µs ± 6% 108µs ± 5% -17.84% (p=0.029 n=4+4)
Decode/Twain/Default/1e5-8 1.06ms ± 2% 0.80ms ± 1% -24.97% (p=0.029 n=4+4)
Decode/Twain/Default/1e6-8 10.0ms ± 3% 8.0ms ± 3% -20.06% (p=0.029 n=4+4)
Decode/Twain/Compression/1e4-8 128µs ± 4% 115µs ± 4% -9.70% (p=0.029 n=4+4)
Decode/Twain/Compression/1e5-8 1.04ms ± 2% 0.83ms ± 4% -20.37% (p=0.029 n=4+4)
Decode/Twain/Compression/1e6-8 10.4ms ± 4% 8.1ms ± 5% -22.25% (p=0.029 n=4+4)
Encode/Twain/Huffman/1e4-8 55.7µs ± 2% 55.6µs ± 1% ~ (p=1.000 n=4+4)
Encode/Twain/Huffman/1e5-8 441µs ± 0% 435µs ± 2% ~ (p=0.343 n=4+4)
Encode/Twain/Huffman/1e6-8 4.31ms ± 4% 4.30ms ± 4% ~ (p=0.886 n=4+4)
Encode/Twain/Speed/1e4-8 193µs ± 1% 166µs ± 2% -14.09% (p=0.029 n=4+4)
Encode/Twain/Speed/1e5-8 1.54ms ± 1% 1.22ms ± 1% -20.53% (p=0.029 n=4+4)
Encode/Twain/Speed/1e6-8 15.3ms ± 1% 12.2ms ± 3% -20.62% (p=0.029 n=4+4)
Encode/Twain/Default/1e4-8 393µs ± 1% 390µs ± 1% ~ (p=0.114 n=4+4)
Encode/Twain/Default/1e5-8 6.12ms ± 4% 6.02ms ± 5% ~ (p=0.486 n=4+4)
Encode/Twain/Default/1e6-8 69.4ms ± 5% 59.0ms ± 4% -15.07% (p=0.029 n=4+4)
Encode/Twain/Compression/1e4-8 423µs ± 2% 379µs ± 2% -10.34% (p=0.029 n=4+4)
Encode/Twain/Compression/1e5-8 7.00ms ± 1% 7.88ms ± 3% +12.49% (p=0.029 n=4+4)
Encode/Twain/Compression/1e6-8 76.6ms ± 5% 80.9ms ± 3% ~ (p=0.114 n=4+4)
name old speed new speed delta
DecodeTwain-8 19.8MB/s ± 2% 23.6MB/s ± 1% +18.84% (p=0.029 n=4+4)
Decode/Twain/Huffman/1e4-8 71.7MB/s ± 3% 72.1MB/s ± 6% ~ (p=0.943 n=4+4)
Decode/Twain/Huffman/1e5-8 78.8MB/s ± 3% 79.5MB/s ± 1% ~ (p=1.000 n=4+4)
Decode/Twain/Huffman/1e6-8 80.5MB/s ± 0% 75.6MB/s ± 1% -6.03% (p=0.029 n=4+4)
Decode/Twain/Speed/1e4-8 75.2MB/s ± 1% 81.2MB/s ± 1% +7.93% (p=0.029 n=4+4)
Decode/Twain/Speed/1e5-8 83.4MB/s ± 0% 98.6MB/s ± 3% +18.16% (p=0.029 n=4+4)
Decode/Twain/Speed/1e6-8 83.6MB/s ± 2% 99.5MB/s ± 3% +18.91% (p=0.029 n=4+4)
Decode/Twain/Default/1e4-8 76.3MB/s ± 6% 92.8MB/s ± 4% +21.62% (p=0.029 n=4+4)
Decode/Twain/Default/1e5-8 94.4MB/s ± 3% 125.7MB/s ± 1% +33.24% (p=0.029 n=4+4)
Decode/Twain/Default/1e6-8 100MB/s ± 3% 125MB/s ± 3% +25.12% (p=0.029 n=4+4)
Decode/Twain/Compression/1e4-8 78.4MB/s ± 4% 86.8MB/s ± 4% +10.73% (p=0.029 n=4+4)
Decode/Twain/Compression/1e5-8 95.7MB/s ± 2% 120.3MB/s ± 4% +25.65% (p=0.029 n=4+4)
Decode/Twain/Compression/1e6-8 96.4MB/s ± 4% 124.0MB/s ± 5% +28.64% (p=0.029 n=4+4)
Encode/Twain/Huffman/1e4-8 179MB/s ± 2% 180MB/s ± 1% ~ (p=1.000 n=4+4)
Encode/Twain/Huffman/1e5-8 227MB/s ± 0% 230MB/s ± 2% ~ (p=0.343 n=4+4)
Encode/Twain/Huffman/1e6-8 232MB/s ± 4% 233MB/s ± 4% ~ (p=0.886 n=4+4)
Encode/Twain/Speed/1e4-8 51.8MB/s ± 1% 60.4MB/s ± 2% +16.43% (p=0.029 n=4+4)
Encode/Twain/Speed/1e5-8 65.1MB/s ± 1% 81.9MB/s ± 1% +25.83% (p=0.029 n=4+4)
Encode/Twain/Speed/1e6-8 65.2MB/s ± 1% 82.2MB/s ± 3% +26.00% (p=0.029 n=4+4)
Encode/Twain/Default/1e4-8 25.4MB/s ± 1% 25.6MB/s ± 1% ~ (p=0.114 n=4+4)
Encode/Twain/Default/1e5-8 16.4MB/s ± 4% 16.6MB/s ± 5% ~ (p=0.486 n=4+4)
Encode/Twain/Default/1e6-8 14.4MB/s ± 6% 17.0MB/s ± 4% +17.67% (p=0.029 n=4+4)
Encode/Twain/Compression/1e4-8 23.6MB/s ± 2% 26.4MB/s ± 2% +11.54% (p=0.029 n=4+4)
Encode/Twain/Compression/1e5-8 14.3MB/s ± 1% 12.7MB/s ± 3% -11.08% (p=0.029 n=4+4)
Encode/Twain/Compression/1e6-8 13.1MB/s ± 4% 12.4MB/s ± 3% ~ (p=0.114 n=4+4)
name old alloc/op new alloc/op delta
DecodeTwain-8 3.63MB ± 0% 3.63MB ± 0% +0.15% (p=0.029 n=4+4)
Decode/Twain/Huffman/1e4-8 42.0kB ± 0% 41.3kB ± 0% -1.62% (p=0.029 n=4+4)
Decode/Twain/Huffman/1e5-8 43.5kB ± 0% 45.1kB ± 0% +3.74% (p=0.029 n=4+4)
Decode/Twain/Huffman/1e6-8 71.7kB ± 0% 80.0kB ± 0% +11.55% (p=0.029 n=4+4)
Decode/Twain/Speed/1e4-8 41.2kB ± 0% 41.3kB ± 0% ~ (p=0.286 n=4+4)
Decode/Twain/Speed/1e5-8 45.1kB ± 0% 43.9kB ± 0% -2.80% (p=0.029 n=4+4)
Decode/Twain/Speed/1e6-8 72.8kB ± 0% 81.3kB ± 0% +11.72% (p=0.029 n=4+4)
Decode/Twain/Default/1e4-8 41.2kB ± 0% 41.2kB ± 0% -0.22% (p=0.029 n=4+4)
Decode/Twain/Default/1e5-8 44.4kB ± 0% 43.0kB ± 0% -3.02% (p=0.029 n=4+4)
Decode/Twain/Default/1e6-8 71.0kB ± 0% 61.8kB ± 0% -13.00% (p=0.029 n=4+4)
Decode/Twain/Compression/1e4-8 41.3kB ± 0% 41.2kB ± 0% -0.29% (p=0.029 n=4+4)
Decode/Twain/Compression/1e5-8 43.3kB ± 0% 43.0kB ± 0% -0.72% (p=0.029 n=4+4)
Decode/Twain/Compression/1e6-8 69.1kB ± 0% 63.7kB ± 0% -7.90% (p=0.029 n=4+4)
name old allocs/op new allocs/op delta
DecodeTwain-8 51.0 ± 0% 51.2 ± 1% ~ (p=1.000 n=4+4)
Decode/Twain/Huffman/1e4-8 15.0 ± 0% 14.0 ± 0% -6.67% (p=0.029 n=4+4)
Decode/Twain/Huffman/1e5-8 20.0 ± 0% 23.0 ± 0% +15.00% (p=0.029 n=4+4)
Decode/Twain/Huffman/1e6-8 134 ± 0% 161 ± 0% +20.15% (p=0.029 n=4+4)
Decode/Twain/Speed/1e4-8 17.0 ± 0% 18.0 ± 0% +5.88% (p=0.029 n=4+4)
Decode/Twain/Speed/1e5-8 30.0 ± 0% 31.0 ± 0% +3.33% (p=0.029 n=4+4)
Decode/Twain/Speed/1e6-8 193 ± 0% 228 ± 0% +18.13% (p=0.029 n=4+4)
Decode/Twain/Default/1e4-8 17.0 ± 0% 15.0 ± 0% -11.76% (p=0.029 n=4+4)
Decode/Twain/Default/1e5-8 28.0 ± 0% 32.0 ± 0% +14.29% (p=0.029 n=4+4)
Decode/Twain/Default/1e6-8 199 ± 0% 158 ± 0% -20.60% (p=0.029 n=4+4)
Decode/Twain/Compression/1e4-8 17.0 ± 0% 15.0 ± 0% -11.76% (p=0.029 n=4+4)
Decode/Twain/Compression/1e5-8 28.0 ± 0% 32.0 ± 0% +14.29% (p=0.029 n=4+4)
Decode/Twain/Compression/1e6-8 196 ± 0% 150 ± 0% -23.47% (p=0.029 n=4+4)
Updates #27151
Change-Id: I6c439694ed16a33bb4c63fbfb8570c7de46b4f2d
Reviewed-on: https://go-review.googlesource.com/135495
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Joe Tsai <thebrokentoaster@gmail.com>
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