G'MIC - GREYC's Magic for Image Computing: A Full-Featured Open-Source Framework for Image Processing
GREYC CNRS ENSICAEN UNICAEN

A Full-Featured Open-Source Framework for Image Processing

Latest stable version: 3.5.5        Current pre-release: 3.5.6 (2025/06/17)

Reference

Table of Contents  ▸  List of Commands  ▸  Flow Control  ▸  parallel◀  onfail    |    progress  ▶

parallel

Built-in command

Arguments:

Description:

Execute specified commands in parallel, each in a different thread.

Parallel threads share the list of images.
wait_threads can be { 0:When current environment ends | 1:Immediately }.

Default values:

wait_threads=1.

Example of use:

image.jpg [0] parallel "blur[0] 3","mirror[1] c"

Command: image.jpg [0] parallel "blur[0] 3","mirror[1] c"
Command: image.jpg [0] parallel "blur[0] 3","mirror[1] c"
G'MIC - GREYC's Magic for Image Computing: A Full-Featured Open-Source Framework for Image Processing

G'MIC is an open-source software distributed under the CeCILL free software licenses (LGPL-like and/or
GPL-compatible). Copyrights (C) Since July 2008, David Tschumperlé - GREYC UMR CNRS 6072, Image Team.