From f725f4acb7790ee11630533d17515421650b21af Mon Sep 17 00:00:00 2001 From: Lovell Fuller Date: Tue, 17 Aug 2021 10:23:45 +0100 Subject: [PATCH] Update performance test results --- docs/performance.md | 26 +++++++++++++++----------- 1 file changed, 15 insertions(+), 11 deletions(-) diff --git a/docs/performance.md b/docs/performance.md index 2d8834cb..4d831125 100644 --- a/docs/performance.md +++ b/docs/performance.md @@ -5,9 +5,11 @@ 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) v4.5.6 - Whilst primarily a map renderer, Mapnik contains bitmap image utilities. +* [mapnik](https://www.npmjs.org/package/mapnik) v4.5.8 - 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. +* [@squoosh/lib](https://www.npmjs.com/package/@squoosh/lib) v0.4.0 - Image libraries transpiled to WebAssembly, includes GPLv3 code. +* [@squoosh/cli](https://www.npmjs.com/package/@squoosh/cli) v0.7.2 - Command line wrapper around `@squoosh/lib`, avoids GPLv3 by spawning process. * sharp v0.28.0 / libvips v8.10.6 - Caching within libvips disabled to ensure a fair comparison. ## The task @@ -19,21 +21,23 @@ then compress to JPEG at a "quality" setting of 80. ## Test environment * 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 +* Ubuntu 21.04 (ami-0d7626a9c2ceab1ac) +* Node.js 16.6.2 ## Results | Module | Input | Output | Ops/sec | Speed-up | | :----------------- | :----- | :----- | ------: | -------: | -| 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 | +| jimp | buffer | buffer | 0.83 | 1.0 | +| squoosh-cli | file | file | 1.09 | 1.3 | +| squoosh-lib | buffer | buffer | 1.83 | 2.2 | +| mapnik | buffer | buffer | 3.41 | 4.1 | +| gm | buffer | buffer | 8.34 | 10.0 | +| imagemagick | file | file | 8.67 | 10.4 | +| gm | file | file | 8.82 | 10.6 | +| sharp | stream | stream | 29.44 | 35.5 | +| sharp | file | file | 29.64 | 35.7 | +| sharp | buffer | buffer | 31.09 | 37.5 | Greater libvips performance can be expected with caching enabled (default) and using 8+ core machines, especially those with larger L1/L2 CPU caches.