Update results with PostCSS 8

postcss · Sep 15, 2020 · 6abcc61 · 6abcc61
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diff --git a/README.md b/README.md
@@ -2,7 +2,7 @@
 
 Various benchmarks to have feedback about [PostCSS] perfomance.
 
-All results below was runned on node 10.4.1, Fedora 28, Intel Core i7-8550U,
+All results below was runned on Node 14.10.1, Fedora 32, Intel Core i7-1065G7,
 16 GB RAM and SSD:
 
 [PostCSS]: https://github.com/postcss/postcss
@@ -13,14 +13,14 @@ All results below was runned on node 10.4.1, Fedora 28, Intel Core i7-8550U,
 Compare [CSS processors] for parsings, nested rules, mixins, variables and math:
 
 ```
-Stylis:         13 ms  (2.7 times faster)
-PostCSS:        35 ms
-Rework:         38 ms  (1.1 times slower)
-LibSass sync:   82 ms  (2.3 times slower)
-LibSass:        90 ms  (2.5 times slower)
-Less:           91 ms  (2.6 times slower)
-Dart Sass sync: 103 ms (2.9 times slower)
-Dart Sass:      169 ms (4.8 times slower)
+PostCSS sync:   27 ms  (1.1 times faster)
+PostCSS:        30 ms
+Rework:         33 ms  (1.1 times slower)
+LibSass sync:   64 ms  (2.1 times slower)
+LibSass:        66 ms  (2.2 times slower)
+Dart Sass sync: 77 ms  (2.6 times slower)
+Dart Sass:      138 ms (4.5 times slower)
+Less:           410 ms (13.5 times slower)
 ```
 
 To get results on your environment:
@@ -38,17 +38,17 @@ npm test preprocessors
 Compare [CSS parsers] written on JS:
 
 ```
-CSSTree:      5 ms  (3.2 times faster)
-Stylis:       6 ms  (2.8 times faster)
-CSSOM:        14 ms (1.3 times faster)
-PostCSS:      18 ms
-Mensch:       21 ms (1.2 times slower)
-Rework:       26 ms (1.5 times slower)
-Stylecow:     41 ms (2.3 times slower)
-PostCSS Full: 70 ms (3.9 times slower)
-Gonzales:     92 ms (5.2 times slower)
-Gonzales PE:  94 ms (5.3 times slower)
-ParserLib:    96 ms (5.4 times slower)
+CSSTree:      4 ms  (3.9 times faster)
+Stylis:       4 ms  (3.5 times faster)
+PostCSS:      15 ms
+CSSOM:        16 ms (1.1 times slower)
+Mensch:       18 ms (1.2 times slower)
+Rework:       25 ms (1.7 times slower)
+Stylecow:     38 ms (2.6 times slower)
+PostCSS Full: 63 ms (4.3 times slower)
+Gonzales:     76 ms (5.1 times slower)
+ParserLib:    78 ms (5.2 times slower)
+Gonzales PE:  88 ms (5.9 times slower)
 ```
 
 To get results on your environment:
@@ -66,10 +66,8 @@ npm test parsers
 Compare [vendor prefixes tools]:
 
 ```
-Stylis:       9 ms   (4.0 times faster)
-Autoprefixer: 34 ms
-Stylecow:     157 ms (4.6 times slower)
-nib:          176 ms (5.1 times slower)
+Autoprefixer: 32 ms
+Stylecow:     187 ms (5.9 times slower)
 ```
 
 To get results on your environment:
@@ -81,3 +79,23 @@ npm test prefixers
 ```
 
 [vendor prefixes tools]: https://github.com/postcss/benchmark/blob/master/prefixers.js
+
+
+## PostCSS APIs
+
+Compare different way to write plugins for PostCSS:
+
+```
+Walk sync API      0.60 ops/sec
+Visitor sync API   0.79 ops/sec
+Walk async API     0.54 ops/sec
+Visitor async API  0.63 ops/sec
+```
+
+To get results on your environment:
+
+```sh
+npm install
+bundle install
+npm test apis
+```
diff --git a/apis.js b/apis.js
@@ -1,3 +1,11 @@
+/* Results on Node 14.10.1, Fedora 32, Intel Core i7-1065G7, 16 GB RAM, and SSD:
+
+Walk sync API      0.60 ops/sec
+Visitor sync API   0.79 ops/sec
+Walk async API     0.54 ops/sec
+Visitor async API  0.63 ops/sec
+ */
+
 let { readFileSync, readFile } = require('fs')
 let { promisify } = require('util')
 let { join } = require('path')

diff --git a/parsers.js b/parsers.js
@@ -1,16 +1,16 @@
-/* Results on node 10.4.1, Fedora 28, Intel Core i7-8550U, 16 GB RAM and SSD:
+/* Results on Node 14.10.1, Fedora 32, Intel Core i7-1065G7, 16 GB RAM, and SSD:
 
-CSSTree:      5 ms  (3.2 times faster)
-Stylis:       6 ms  (2.8 times faster)
-CSSOM:        14 ms (1.3 times faster)
-PostCSS:      18 ms
-Mensch:       21 ms (1.2 times slower)
-Rework:       26 ms (1.5 times slower)
-Stylecow:     41 ms (2.3 times slower)
-PostCSS Full: 70 ms (3.9 times slower)
-Gonzales:     92 ms (5.2 times slower)
-Gonzales PE:  94 ms (5.3 times slower)
-ParserLib:    96 ms (5.4 times slower)
+CSSTree:      4 ms  (3.9 times faster)
+Stylis:       4 ms  (3.5 times faster)
+PostCSS:      15 ms
+CSSOM:        16 ms (1.1 times slower)
+Mensch:       18 ms (1.2 times slower)
+Rework:       25 ms (1.7 times slower)
+Stylecow:     38 ms (2.6 times slower)
+PostCSS Full: 63 ms (4.3 times slower)
+Gonzales:     76 ms (5.1 times slower)
+ParserLib:    78 ms (5.2 times slower)
+Gonzales PE:  88 ms (5.9 times slower)
 */
 
 let { readFileSync, existsSync } = require('fs')

diff --git a/prefixers.js b/prefixers.js
@@ -1,9 +1,7 @@
-/* Results on node 10.4.1, Fedora 28, Intel Core i7-8550U, 16 GB RAM and SSD:
+/* Results on Node 14.10.1, Fedora 32, Intel Core i7-1065G7, 16 GB RAM, and SSD:
 
-Stylis:       9 ms   (4.0 times faster)
-Autoprefixer: 34 ms
-Stylecow:     157 ms (4.6 times slower)
-nib:          176 ms (5.1 times slower)
+Autoprefixer: 32 ms
+Stylecow:     187 ms (5.9 times slower)
 */
 
 let { existsSync, readFileSync } = require('fs')

diff --git a/preprocessors.js b/preprocessors.js
@@ -1,13 +1,13 @@
-/* Results on node 10.4.1, Fedora 28, Intel Core i7-8550U, 16 GB RAM and SSD:
+/* Results on Node 14.10.1, Fedora 32, Intel Core i7-1065G7, 16 GB RAM, and SSD:
 
-Stylis:         13 ms  (2.7 times faster)
-PostCSS:        35 ms
-Rework:         38 ms  (1.1 times slower)
-LibSass sync:   82 ms  (2.3 times slower)
-LibSass:        90 ms  (2.5 times slower)
-Less:           91 ms  (2.6 times slower)
-Dart Sass sync: 103 ms (2.9 times slower)
-Dart Sass:      169 ms (4.8 times slower)
+PostCSS sync:   27 ms  (1.1 times faster)
+PostCSS:        30 ms
+Rework:         33 ms  (1.1 times slower)
+LibSass sync:   64 ms  (2.1 times slower)
+LibSass:        66 ms  (2.2 times slower)
+Dart Sass sync: 77 ms  (2.6 times slower)
+Dart Sass:      138 ms (4.5 times slower)
+Less:           410 ms (13.5 times slower)
 */
 
 let { readFileSync, writeFileSync, existsSync } = require('fs')