diff --git a/docs/performance.md b/docs/performance.md index 6dea70dd..3287fc1d 100644 --- a/docs/performance.md +++ b/docs/performance.md @@ -4,15 +4,15 @@ * AWS EC2 eu-west-1 [c5.large](https://aws.amazon.com/ec2/instance-types/c5/) (2x Xeon Platinum 8124M CPU @ 3.00GHz) * Ubuntu 18.04 (hvm-ssd/ubuntu-bionic-18.04-amd64-server-20180912 ami-00035f41c82244dab) -* Node.js v10.11.0 +* Node.js v12.10.0 ### The contenders -* [jimp](https://www.npmjs.com/package/jimp) v0.5.3 - Image processing in pure JavaScript. Provides bicubic interpolation. -* [mapnik](https://www.npmjs.org/package/mapnik) v4.0.1 - Whilst primarily a map renderer, Mapnik contains bitmap image utilities. +* [jimp](https://www.npmjs.com/package/jimp) v0.8.4 - Image processing in pure JavaScript. Provides bicubic interpolation. +* [mapnik](https://www.npmjs.org/package/mapnik) v4.3.1 - 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 v0.21.0 / libvips v8.7.0 - Caching within libvips disabled to ensure a fair comparison. +* sharp v0.23.1 / libvips v8.8.1 - Caching within libvips disabled to ensure a fair comparison. ### The task @@ -24,13 +24,14 @@ then compress to JPEG at a "quality" setting of 80. | Module | Input | Output | Ops/sec | Speed-up | | :----------------- | :----- | :----- | ------: | -------: | -| jimp | buffer | buffer | 0.71 | 1.0 | -| mapnik | buffer | buffer | 3.32 | 4.7 | -| gm | buffer | buffer | 3.97 | 5.6 | -| imagemagick | file | file | 4.24 | 6.0 | -| sharp | stream | stream | 25.30 | 35.6 | -| sharp | file | file | 26.17 | 36.9 | -| sharp | buffer | buffer | 26.45 | 37.3 | +| jimp | buffer | buffer | 0.66 | 1.0 | +| mapnik | buffer | buffer | 3.31 | 5.0 | +| gm | buffer | buffer | 3.79 | 5.7 | +| gm | file | file | 3.82 | 5.8 | +| imagemagick | file | file | 4.17 | 6.3 | +| sharp | stream | stream | 25.81 | 39.1 | +| sharp | file | file | 26.76 | 40.5 | +| sharp | buffer | buffer | 28.06 | 42.5 | Greater libvips performance can be expected with caching enabled (default) and using 8+ core machines, especially those with larger L1/L2 CPU caches.