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CoNGA 2025 : The Sixth Conference on Next Generation Arithmetic 2025

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Link: https://posithub.org/conga/2025/
 
When Nov 15, 2025 - Nov 15, 2025
Where St. Louis, MO
Abstract Registration Due Aug 1, 2025
Submission Deadline Sep 15, 2025
Notification Due Sep 30, 2025
Final Version Due Oct 15, 2025
Categories    computer science   design   mathematics   software architecture
 

Call For Papers

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CALL FOR PAPERS

CoNGA25: The Sixth Conference on Next Generation Arithmetic 2025
Held in advance of SC25 on Saturday 15th November 2025

https://easychair.org/cfp/CoNGA25

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Abstract deadline: 1st August 2025 (AoE)
Submission deadline: 15th September 2025
Author Notification: 30th September 2025
Camera ready papers: 15th October 2025

Conference on Next Generation Arithmetic (CoNGA) is the leading conference on emerging technologies for computer arithmetic. The demands of both AI and HPC have led the community to realize that something better than traditional floating-point arithmetic is needed to reach the speed, accuracy, and energy-efficiency that are needed for today's most challenging workloads. Posit arithmetic is achieving rapid adoption as a non-proprietary format based on the most stringent design principles. At the same time almost daily we see a multitude of new papers reporting on reduced or mixed precision arithmetic, algorithms and hardware implementations based on an obsolete and provably inferior number encoding standard. CoNGA welcomes papers about any arithmetic format that breaks from the past and shows merit and promise.

CoNGA will be held in conjunction with TANGO@SC25 nonTraditional Architecture and Next-Gen Computational Orchestration which will be the seventh in a series of SC co-located workshops or events that STEM-Trek has hosted since 2015.

There is no conference registration fee.

Call for papers and workshop topics
-----------------------------------

*Posit & Valid Arithmetic
*Artificial Intelligence Data Formats
*Energy Efficient Arithmetic
*Right Sizing Precision

We also invite proposals for reports and presentations/tutorials on the following topics:

*Posits libraries and other number coding libraries
*Hardware projects
*Exploring new applications
*New and interesting use cases
*Standardisation efforts
*Why mixed precision effort is a dead end

Paper submission details
------------------------

Submission and review of papers for CoNGA'25 will be managed via the online conference paper management system, EasyChair. This system gives the author flexibility over the paper submission. Authors can upload their papers and check on the review status of their submissions.

All submissions for CoNGA'25 must follow Springer’s LNCS format without changing default margins, fonts, etc. Authors should use the proceedings templates, either for LaTeX or for Word, for the preparation of their papers. The total page limit is 25 pages including references. Supplementary materials that facilitate verification of the results, e.g., source code, proof details, etc., may be appended without a page limit or uploaded as separate files, but reviewers are neither required to read them nor will they be printed in the proceedings. Hence submissions must be complete, intelligible and self-contained within the 25 pages limit. Papers should have page numbers to facilitate their review. In LaTeX, this can be achieved for instance using\pagestyle{plain}. Each submission must be a single PDF file. Springer encourages authors to include their ORCID numbers in their papers. Springer also offers a feature for the inclusion of embedded videos in proceedings papers.

In addition, the corresponding author of each paper, acting on behalf of all of the authors of that paper, must complete and sign a Consent-to-Publish form. The corresponding author signing the copyright form should match the corresponding author marked on the paper. Once the files have been sent to Springer, changes relating to the authorship of the papers cannot be made.

Papers should present original research and should provide sufficient background material to make them accessible to the broader community. It should not be submitted in parallel to any other conference or journal. All manuscripts will be reviewed and judged on correctness, originality, technical strength, and significance, quality of presentation, and interest and relevance to the conference.

For Instructions for Authors of Papers to be Published in Springer Lecture Notes in Computer Science

At least one author of an accepted paper should be available to present the paper at CoNGA'25 (15 November 2025, St Louis, MO, USA) in person. For more details on the CoNGA'25, please visit https://posithub.org/conga/2025/

Organising committee
--------------------
*John Gustafson, Arizona State University
*Himeshi De Silva, Institute of Infocomm Research, A*STAR, Singapore
*Marek Michalewicz, Siranga, Poland
*Elizabeth Leake, Texas A&M University
*Kurt Keville, semiconDx

Programme committee
-------------------
* Kurt Keville, semiconDx (Chair)
* Akshat Ramachandran, Georgia Institute of Technology
* Alberto A. Del Barrio Garcia, Complutense University Madrid
* Andrew Shewmaker, OpenEye Scientific
* Cerlane Leong, Swiss National Supercomputing Centre
* Chung Shin Yee, National Supercomputing Centre, Singapore
* Glenn Matlin, Georgia Institute of Technology
* Hauke Rehr, Friedrich-Schiller-Universität Jena
* Himeshi De Silva, A*STAR, Singapore (Program Chair)
* John Gustafson, Arizona State University
* Laslo Hunhold, University of Cologne
* Marco Cococcioni, University of Pisa
* Marek Michalewicz, Siranga, Poland
* Peter Lindstrom, Lawrence Livermore National Laboratory
* Roman Iakymchuk, Umeå Universitet

Keynote Speaker : Jeffrey Sarnoff, Editor in Chief @ IEEE P3109 Floating-point formats for Machine Learning

Publication : Similar to the last three editions of CoNGA conferences (Springer LNCS 13253, LNCS 13851, LNCS 14666), CoNGA25 proceedings are planned to be published in Springer Lecture Notes in Computer Science.

Venue : CoNGA25 will convene at the America’s Center ahead of SC25, in St. Louis, Missouri.

Social activities

Jet Lag Day: On November 14, the international delegation will visit the T-Rex and Moonshot Labs in St. Louis. The labs represent the public face of geospatial innovation surrounding the nearby National Geospatial Intelligence Agency. All are located within walking distance from the convention center. We are working with Community Host Simon Bailey (CEO, T-Kartor and board member - St. Louis Science Center). Engage Tara Mott (USGIF) and others per Simon.

Post Conference Evening: On the 15th November, following a group dinner at a downtown restaurant, participants may choose from between two local options for entertainment. The Arch Architectural Tour and an Axe-Throwing Extravaganza! All are within walking distance. Axe-throwers will need to sign a second indemnification form, and proof of US-based insurance will be required.

Contact : conga@posithub.org

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