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Update benchmark results for 0.11.0

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Adds CImg-based 'lwip' module

Use AWS EC2 c4 instance type
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Lovell Fuller 2015-07-10 23:26:25 +01:00
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@ -750,41 +750,39 @@ sudo yum install -y --enablerepo=epel GraphicsMagick
### Test environment
* AWS EC2 [c3.xlarge](http://aws.amazon.com/ec2/instance-types/#Compute_Optimized)
* Ubuntu 14.04
* libvips 7.40.8
* AWS EC2 [c4.xlarge](http://aws.amazon.com/ec2/instance-types/#c4)
* Ubuntu 15.04
* Node.js 0.12.7
* libvips 8.0.2
* liborc 0.4.22
### The contenders
* [imagemagick-native](https://github.com/mash/node-imagemagick-native) v1.2.2 - Supports Buffers only
* [imagemagick](https://github.com/yourdeveloper/node-imagemagick) v0.1.3 - Supports filesystem only and "has been unmaintained for a long time".
* [gm](https://github.com/aheckmann/gm) v1.16.0 - Fully featured wrapper around GraphicsMagick.
* sharp v0.6.2 - Caching within libvips disabled to ensure a fair comparison.
* [lwip](https://www.npmjs.com/package/lwip) 0.0.7 - Wrapper around CImg, compiles dependencies from source
* [imagemagick-native](https://www.npmjs.com/package/imagemagick-native) git@45d4e2e - Supports Buffers only
* [imagemagick](https://www.npmjs.com/package/imagemagick) 0.1.3 - Supports filesystem only and "has been unmaintained for a long time".
* [gm](https://www.npmjs.com/package/gm) 1.18.1 - Fully featured wrapper around GraphicsMagick.
* sharp 0.11.0 - Caching within libvips disabled to ensure a fair comparison.
### The task
Decompress a 2725x2225 JPEG image, resize and crop to 720x480, then compress to JPEG.
Decompress a 2725x2225 JPEG image, resize to 720x480 using bilinear interpolation, then compress to JPEG.
### Results
| Module | Input | Output | Ops/sec | Speed-up |
| :-------------------- | :----- | :----- | ------: | -------: |
| imagemagick-native | buffer | buffer | 1.58 | 1 |
| imagemagick | file | file | 6.23 | 3.9 |
| gm | buffer | file | 5.32 | 3.4 |
| gm | buffer | buffer | 5.32 | 3.4 |
| gm | file | file | 5.36 | 3.4 |
| gm | file | buffer | 5.36 | 3.4 |
| sharp | buffer | file | 22.05 | 14.0 |
| sharp | buffer | buffer | 22.14 | 14.0 |
| sharp | file | file | 21.79 | 13.8 |
| sharp | file | buffer | 21.90 | 13.9 |
| sharp | stream | stream | 20.87 | 13.2 |
| sharp +promise | file | buffer | 21.89 | 13.9 |
| sharp +sharpen | file | buffer | 19.69 | 12.5 |
| sharp +progressive | file | buffer | 16.93 | 10.7 |
| sharp +sequentialRead | file | buffer | 21.60 | 13.7 |
| Module | Input | Output | Ops/sec | Speed-up |
| :----------------- | :----- | :----- | ------: | -------: |
| lwip | file | file | 1.75 | 1 |
| lwip | buffer | buffer | 2.21 | 1.3 |
| imagemagick-native | buffer | buffer | 7.13 | 4.1 |
| gm | buffer | buffer | 7.27 | 4.2 |
| gm | file | file | 7.33 | 4.2 |
| imagemagick | file | file | 10.04 | 5.7 |
| sharp | stream | stream | 23.12 | 13.2 |
| sharp | file | file | 24.43 | 14.0 |
| sharp | file | buffer | 24.55 | 14.0 |
| sharp | buffer | file | 24.86 | 14.2 |
| sharp | buffer | buffer | 24.92 | 14.2 |
You can expect greater performance with caching enabled (default) and using 8+ core machines.