Tests: update latest benchmark test results

lovell · Mar 14, 2021 · 3b02134 · 3b02134
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diff --git a/docs/performance.md b/docs/performance.md
@@ -5,10 +5,10 @@ A test to benchmark the performance of this module relative to alternatives.
 ## The contenders
 
 * [jimp](https://www.npmjs.com/package/jimp) v0.16.1 - Image processing in pure JavaScript. Provides bicubic interpolation.
-* [mapnik](https://www.npmjs.org/package/mapnik) v4.5.5 - Whilst primarily a map renderer, Mapnik contains bitmap image utilities.
+* [mapnik](https://www.npmjs.org/package/mapnik) v4.5.6 - Whilst primarily a map renderer, Mapnik contains bitmap image utilities.
 * [imagemagick](https://www.npmjs.com/package/imagemagick) v0.1.3 - Supports filesystem only and "*has been unmaintained for a long time*".
 * [gm](https://www.npmjs.com/package/gm) v1.23.1 - Fully featured wrapper around GraphicsMagick's `gm` command line utility.
-* sharp v0.27.0 / libvips v8.10.5 - Caching within libvips disabled to ensure a fair comparison.
+* sharp v0.28.0 / libvips v8.10.6 - Caching within libvips disabled to ensure a fair comparison.
 
 ## The task
 
@@ -18,25 +18,25 @@ then compress to JPEG at a "quality" setting of 80.
 
 ## Test environment
 
-* AWS EC2 eu-west-1 [c5d.large](https://aws.amazon.com/ec2/instance-types/c5/) (2x Xeon Platinum 8275CL CPU @ 3.00GHz)
-* Ubuntu 20.10 (ami-046cdbcee95cdd75c)
-* Node.js v14.15.3
+* AWS EC2 eu-west-1 [c5ad.xlarge](https://aws.amazon.com/ec2/instance-types/c5/) (4x AMD EPYC 7R32)
+* Ubuntu 20.10 (ami-03f10415e8b0bfb86)
+* Node.js v14.16.0
 
 ## Results
 
 | Module             | Input  | Output | Ops/sec | Speed-up |
 | :----------------- | :----- | :----- | ------: | -------: |
-| jimp               | buffer | buffer |    0.77 |      1.0 |
-| mapnik             | buffer | buffer |    3.39 |      4.4 |
-| gm                 | buffer | buffer |    4.30 |      5.6 |
-| gm                 | file   | file   |    4.33 |      5.6 |
-| imagemagick        | file   | file   |    4.39 |      5.7 |
-| sharp              | stream | stream |   23.81 |     30.9 |
-| sharp              | file   | file   |   25.09 |     32.6 |
-| sharp              | buffer | buffer |   25.60 |     33.2 |
+| jimp               | buffer | buffer |    0.78 |      1.0 |
+| mapnik             | buffer | buffer |    3.39 |      4.3 |
+| gm                 | buffer | buffer |    7.84 |     10.1 |
+| gm                 | file   | file   |    9.24 |     11.8 |
+| imagemagick        | file   | file   |    9.37 |     12.0 |
+| sharp              | stream | stream |   26.84 |     34.4 |
+| sharp              | file   | file   |   29.76 |     38.2 |
+| sharp              | buffer | buffer |   31.60 |     40.5 |
 
 Greater libvips performance can be expected with caching enabled (default)
-and using 4+ core machines, especially those with larger L1/L2 CPU caches.
+and using 8+ core machines, especially those with larger L1/L2 CPU caches.
 
 The I/O limits of the relevant (de)compression library will generally determine maximum throughput.
 
@@ -51,7 +51,7 @@ brew install mapnik
 ```
 
 ```sh
-sudo apt-get install imagemagick libmagick++-dev graphicsmagick libmapnik-dev
+sudo apt-get install build-essential imagemagick libmagick++-dev graphicsmagick libmapnik-dev
 ```
 
 ```sh
@@ -61,7 +61,7 @@ sudo yum install ImageMagick-devel ImageMagick-c++-devel GraphicsMagick mapnik-d
 ```sh
 git clone https://github.com/lovell/sharp.git
 cd sharp
-npm install
+npm install --build-from-source
 cd test/bench
 npm install
 npm test

diff --git a/test/bench/package.json b/test/bench/package.json
@@ -13,7 +13,7 @@
     "gm": "1.23.1",
     "imagemagick": "0.1.3",
     "jimp": "0.16.1",
-    "mapnik": "4.5.5",
+    "mapnik": "4.5.6",
     "semver": "7.3.4"
   },
   "license": "Apache-2.0",