vips-bench

We've written programs using number of different image processing systems to load a TIFF image, crop 100 pixels off every edge, shrink by 10% with bilinear interpolation, sharpen with a 3x3 convolution and save again. It's a trivial test but it does give some idea of the speed and memory behaviour of these libraries (and it's also quite fun to compare the code).

Bilinear interpolation is poor quality and no one would use it, but it is available everywhere.

Running the test

Put your system into performance mode with eg.:

   echo performance | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor

Install any packages you are missing with eg.:

	sudo apt-get install imagemagick graphicsmagick libopencv-dev \
		python-imaging netpbm libfreeimage-dev \
		exactimage gegl composer libvips nip2

Make a venv for python and install the python and ruby packages

    python3 -m venv ~/vips
    . ~/vips/bin/activate
    pip install pyvips Pillow-SIMD gdlib 
	gem install rmagick ruby-vips image_science

Then run the driver script:

./benchmark.sh

to generate the test image and run all the benchmarks.

The program is very simple and doesn't do much error checking. You'll need to look through the output and make sure everything is working correctly. In particular, make sure you have all the packages installed.

Results

The speed and memory use page on the libvips website has a table of results.

TODO

The peakmem.pl program doesn't seem to be working correctly, investigate.

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Uh oh!