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Update benchmarks (#759)

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Natalie Weizenbaum 2019-07-12 01:53:36 +01:00 committed by GitHub
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@ -3,8 +3,8 @@ the benefit Dart Sass could provide relative to other implementations.
This was tested against:
* libsass 8d220b74 and sassc 3f84e23 compiled with g++ (Debian 7.3.0-18) 7.3.0.
* Dart Sass 2868ab3 on Dart 2.3.0 and Node v11.14.0.
* libsass 0f3d6ad1 and sassc 4674821 compiled with g++ (Debian 7.3.0-18) 7.3.0.
* Dart Sass 088fc28 on Dart 2.4.0 and Node v12.0.0.
* Ruby Sass 8d1edc76 on ruby 2.5.3p105 (2018-10-18 revision 65156) [x86_64-linux].
on Debian x64 with Intel Xeon E5-1650 v3 @ 3.50GHz. The Dart Sass
@ -21,147 +21,148 @@ I ran five instances of each configuration and recorded the fastest time.
Running on a file containing 4 instances of `.foo {a: b}`:
* sassc: 0.004s
* Dart Sass from a script snapshot: 0.188s
* Dart Sass native executable: 0.014s
* Dart Sass on Node.js: 0.169s
* Ruby Sass with a hot cache: 0.151s
* Dart Sass from a script snapshot: 0.219s
* Dart Sass native executable: 0.020s
* Dart Sass on Node.js: 0.200s
* Ruby Sass with a hot cache: 0.155s
Based on these numbers, Dart Sass from a native executable is approximately:
* 3.5x slower than libsass
* 12.1x faster than Dart Sass on Node
* 10.8x faster than Ruby Sass
* 5.0x slower than libsass
* 10.0x faster than Dart Sass on Node
* 7.8x faster than Ruby Sass
## Large Plain CSS
Running on a file containing 2^17 instances of `.foo {a: b}`:
* sassc: 1.909s
* Dart Sass from a script snapshot: 1.586s
* Dart Sass native executable: 1.438s
* Dart Sass on Node.js: 3.028s
* Ruby Sass with a hot cache: 10.772s
* sassc: 1.714s
* Dart Sass from a script snapshot: 1.606s
* Dart Sass native executable: 1.547s
* Dart Sass on Node.js: 2.672s
* Ruby Sass with a hot cache: 11.145s
Based on these numbers, Dart Sass from a native executable is approximately:
* 1.3x faster than libsass
* 2.1x faster than Dart Sass on Node
* 7.5x faster than Ruby Sass
* 1.1x faster than libsass
* 1.7x faster than Dart Sass on Node
* 7.2x faster than Ruby Sass
## Preceding Sparse `@extend`
Running on a file containing `.x {@extend .y}`, 2^17 instances of `.foo {a: b}`, and then `.y {a: b}`:
* sassc: 2.007s
* Dart Sass from a script snapshot: 1.617s
* Dart Sass native executable: 1.457s
* Dart Sass on Node.js: 3.072s
* Ruby Sass with a hot cache: 16.456s
* sassc: 1.750s
* Dart Sass from a script snapshot: 1.602s
* Dart Sass native executable: 1.585s
* Dart Sass on Node.js: 2.782s
* Ruby Sass with a hot cache: 17.012s
Based on these numbers, Dart Sass from a native executable is approximately:
* 1.4x faster than libsass
* 2.1x faster than Dart Sass on Node
* 11.3x faster than Ruby Sass
* 1.1x faster than libsass
* 1.8x faster than Dart Sass on Node
* 10.7x faster than Ruby Sass
## Following Sparse `@extend`
Running on a file containing `.y {a: b}`, 2^17 instances of `.foo {a: b}`, and then `.x {@extend .y}`:
* sassc: 1.934s
* Dart Sass from a script snapshot: 1.594s
* Dart Sass native executable: 1.433s
* Dart Sass on Node.js: 3.099s
* Ruby Sass with a hot cache: 16.497s
* sassc: 1.724s
* Dart Sass from a script snapshot: 1.610s
* Dart Sass native executable: 1.568s
* Dart Sass on Node.js: 2.712s
* Ruby Sass with a hot cache: 16.670s
Based on these numbers, Dart Sass from a native executable is approximately:
* 1.3x faster than libsass
* 2.2x faster than Dart Sass on Node
* 11.5x faster than Ruby Sass
* 1.1x faster than libsass
* 1.7x faster than Dart Sass on Node
* 10.6x faster than Ruby Sass
## Preceding Dense `@extend`
Running on a file containing `.bar {@extend .foo}` followed by 2^17 instances of `.foo {a: b}`:
* sassc: 2.033s
* Dart Sass from a script snapshot: 2.380s
* Dart Sass native executable: 2.398s
* Dart Sass on Node.js: 6.523s
* Ruby Sass with a hot cache: 29.717s
* sassc: 2.290s
* Dart Sass from a script snapshot: 2.476s
* Dart Sass native executable: 2.566s
* Dart Sass on Node.js: 5.399s
* Ruby Sass with a hot cache: 29.002s
Based on these numbers, Dart Sass from a native executable is approximately:
* 1.2x slower than libsass
* 2.7x faster than Dart Sass on Node
* 12.4x faster than Ruby Sass
* 1.1x slower than libsass
* 2.1x faster than Dart Sass on Node
* 11.3x faster than Ruby Sass
## Following Dense `@extend`
Running on a file containing 2^17 instances of `.foo {a: b}` followed by `.bar {@extend .foo}`:
* sassc: 2.065s
* Dart Sass from a script snapshot: 2.312s
* Dart Sass native executable: 2.256s
* Dart Sass on Node.js: 6.760s
* Ruby Sass with a hot cache: 28.755s
* sassc: 2.317s
* Dart Sass from a script snapshot: 2.381s
* Dart Sass native executable: 2.461s
* Dart Sass on Node.js: 5.481s
* Ruby Sass with a hot cache: 29.197s
Based on these numbers, Dart Sass from a native executable is approximately:
* 1.1x slower than libsass
* 3.0x faster than Dart Sass on Node
* 12.7x faster than Ruby Sass
* 2.2x faster than Dart Sass on Node
* 11.9x faster than Ruby Sass
## Bootstrap
Running on a file containing 16 instances of importing the Bootstrap framework:
* sassc: 0.898s
* Dart Sass from a script snapshot: 1.550s
* Dart Sass native executable: 0.907s
* Dart Sass on Node.js: 3.559s
* Ruby Sass with a hot cache: 12.649s
* sassc: 0.763s
* Dart Sass from a script snapshot: 1.613s
* Dart Sass native executable: 0.992s
* Dart Sass on Node.js: 3.529s
* Ruby Sass with a hot cache: 12.969s
Based on these numbers, Dart Sass from a native executable is approximately:
* identical to libsass
* 3.9x faster than Dart Sass on Node
* 13.9x faster than Ruby Sass
* 1.3x slower than libsass
* 3.6x faster than Dart Sass on Node
* 13.1x faster than Ruby Sass
## a11ycolor
Running on a file containing test cases for a computation-intensive color-processing library:
* sassc: 0.332s
* Dart Sass from a script snapshot: 0.726s
* Dart Sass native executable: 0.564s
* Dart Sass on Node.js: 2.027s
* Ruby Sass with a hot cache: 5.020s
* sassc: 0.262s
* Dart Sass from a script snapshot: 0.805s
* Dart Sass native executable: 0.612s
* Dart Sass on Node.js: 1.876s
* Ruby Sass with a hot cache: 5.396s
Based on these numbers, Dart Sass from a native executable is approximately:
* 1.7x slower than libsass
* 3.6x faster than Dart Sass on Node
* 8.9x faster than Ruby Sass
* 2.3x slower than libsass
* 3.1x faster than Dart Sass on Node
* 8.8x faster than Ruby Sass
## Susy
Running on a file containing test cases for the computation-intensive Susy grid framework:
* sassc: 0.290s
* Dart Sass from a script snapshot: 0.649s
* Dart Sass native executable: 0.225s
* Dart Sass on Node.js: 1.293s
* Ruby Sass with a hot cache: 1.506s
* sassc: 0.244s
* Dart Sass from a script snapshot: 0.673s
* Dart Sass native executable: 0.248s
* Dart Sass on Node.js: 1.361s
* Ruby Sass with a hot cache: 1.576s
Based on these numbers, Dart Sass from a native executable is approximately:
* 1.3x faster than libsass
* 5.7x faster than Dart Sass on Node
* 6.7x faster than Ruby Sass
* identical to libsass
* 5.5x faster than Dart Sass on Node
* 6.4x faster than Ruby Sass
# Prior Measurements
* [1.20.2](https://github.com/sass/dart-sass/blob/4b7699291c9f69533d25980d23b0647266b665f2/perf.md).
* [1.13.4](https://github.com/sass/dart-sass/blob/b6ccc91a138e75420227ff79381c5f70e60254f1/perf.md).
* [1.6.0](https://github.com/sass/dart-sass/blob/048cbe197a77e1cf4b837a40a5acb737e949fd5c/perf.md).
* [1.0.0-alpha.8](https://github.com/sass/dart-sass/blob/be44245a849f2bb18b5ca1fc74f3043a36da17f0/perf.md).