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Katie Hockman authored
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/135495Reviewed-by:
Dmitri Shuralyov <dmitshur@golang.org> Reviewed-by:
Joe Tsai <thebrokentoaster@gmail.com>
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