Imagick Resizer is a module that hooks into core ImageSizer and do the Imagemanipulations using Image Magick via PHP-extension Imagick. It simply needs to be installed into the site/modules/ section.
gamma :: gamma_correction
The images of His Holiness the Dalai Lama are from the site of Eric Brasseur.
gamma_dalai_lama_gray-isgd.jpg
processed via GD ImageSizer
time: 0.0165960000
gamma_dalai_lama_gray-basic.jpg
basic image handling
time: 0.0075920000
gamma_dalai_lama_gray-icc.jpg
image handling with icc conversion
time: 0.0348670000
gamma_dalai_lama_gray_tft-isgd.jpg
processed via GD ImageSizer
time: 0.0105540000
gamma_dalai_lama_gray_tft-basic.jpg
basic image handling
time: 0.0056830000
gamma_dalai_lama_gray_tft-icc.jpg
image handling with icc conversion
time: 0.0334920000
gamma_1-8-isgd.png
processed via GD ImageSizer
time: 0.0088670000
gamma_1-8-basic.png
basic image handling
time: 0.0085910000
gamma_1-8-icc.png
image handling with icc conversion
time: 0.1343430000
gamma_2-2-isgd.png
processed via GD ImageSizer
time: 0.0087270000
gamma_2-2-basic.png
basic image handling
time: 0.0078180000
gamma_2-2-icc.png
image handling with icc conversion
time: 0.1365650000
The totaltime is only measured for the ImagickResizer basic image handling! Otherwise a comparision with ImageSizers GD-lib is not possible.
Last run was on 11.05.2014 - 19:14, test execution time: 0.0313000000