- 3 professional tasks: compress 3 different test data sets, with 1 speed brackets for each test. Participants may compete in one or more categories.
- 1 student task: optimize a matrix transpose algorithm.
What is GDCC
The competition is for software engineers, researchers, students and enthusiasts in the field of lossless data compression. The contest includes several main categories open to anyone who meets the general requirements, as well as a special category for students. We test compressors under the following tasks and categories:
Professional tasks:
Open to all, industry challenges for leading experts (Task 1, 2 & 3)
In 2 categories
Student tasks:
Open to students, proof of student status required (Task 4)
In a single category
Main Rules
CATEGORIES
Awards & PRIZES
• 6,000 EUR, 4,000 EUR, and 1,000 EUR awards for first, second, and third places, respectively, in 3 professional tasks.
• 5,000 EUR, 3,000 EUR, and 1,000 EUR awards for first, second, and third place, respectively, in 1 student task.
• 500 EUR award each for places 4–8 in the student task.
SCHEDULE
• Submit compressors beginning December 2024 to join the leaderboards.
• Compressor submissions must be executable files working on a provided virtual machine.
• Leaderboards updated every 2 days (depending on demand).
• Deadline for new and updated submissions is April 15, 2025.
• Results to be announced by May 15, 2025.
• Prizes awarded in accordance with the final leaderboards.
COMPRESSORS
- In all tests, the data we use for scoring is private.
- We provide sample data, or training data, that is of the same nature and similar to, yet different from, the private test set.
- We accept binary submissions; source codes are unnecessary unless required by library or software-block licenses on which the submitted compressor is based.
Schedule
-
December 2024
Beginning of submissions.
-
December 2024 - April 2025
Intermediate results will be published at least every 2 days (depending on demand).
-
April 15, 2025
End of submissions.
-
May 15, 2025
Announcement of winners.
Category Awards
Qualitative Data
Quantitative Data
Image Data
Fast Row-Column exchange
First place
6,000 EUR
Second place
4,000 EUR
Third place
1,000 EUR
First place
6,000 EUR
Second place
4,000 EUR
Third place
1,000 EUR
First place
6,000 EUR
Second place
4,000 EUR
Third place
1,000 EUR
First place
5,000 EUR
Second place
3,000 EUR
Third place
1,000 EUR
Next five places
500 EUR
The 4th Edition of GDCC is brought to you by
Group on Interactive Coding of Images
DATA STORAGE Product Line
2023 Contest
results
177,000 eur
total prize fund
8
competition categories by data type and processing speed
400+
applications
40
universal and image compressors
12-25%
better compression ratio than for popular reference
compressors for certain categories
Strong results in all categories
See more about previous contests
Still have any questions?
Please fill the form below
We will register you and provide links to the sample data