compress: headings
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@ -14,8 +14,7 @@ FUDing it. If I were the PR submitter, I would certainly not appreciate this
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comment. So I decided to conduct a non-scientific experiment: take a big piece
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of Javascript and compare brotli with zstd.
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Executive Summary
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-----------------
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# Executive Summary
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* brotli compresses my chosen piece of Javascript better than zstd by 4-22%.
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* zstd is faster than brotli by 50-80% (depending on platform) and uses less
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@ -44,8 +43,7 @@ Software:
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- brotli 1.1.0 from the distribution.
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- zstd v1.5.6 from the distribution.
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Test Harness
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------------
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# Test Harness
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I picked Youtube's `desktop_polymer.js`, because:
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@ -87,12 +85,11 @@ esac
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Then symlink to it for each compression level:
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```
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$ for l in 3 6 19 22; do ln -s wrap zstd-${l}; done
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$ for l in 3 6 9 19 22; do ln -s wrap zstd-${l}; done
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$ ln -s wrap brotli
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```
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Compression Ratio
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-----------------
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# Compression Ratio
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```
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Filename Bytes % larger that br
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@ -114,8 +111,7 @@ itself somewhat of an advantage over other compressors for this corpus.
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Since `zstd -19` and `zstd -22` yield the same compression ratio, there is no
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point going ultra, I will exclude `zstd -22` from the tests.
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Decompression Speed
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-------------------
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# Decompression Speed
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```
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hyperfine --export-markdown $(hostname) -w 1 -N ./zstd-{3,6,9,19} ./brotli
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@ -145,8 +141,7 @@ hyperfine --export-markdown $(hostname) -w 1 -N ./zstd-{3,6,9,19} ./brotli
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Summary: `zstd -6` is fastest, brotli is slower by 50-80%.
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Memory Usage
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------------
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# Resource Usage
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```
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poop ./zstd-{6,3,9,19} ./brotli
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