ScalAH23: 14th Workshop on Latest Advances in Scalable Algorithms for Large-Scale Heterogeneous Systems

held in conjunction with

SC23: The International Conference for High Performance Computing, Networking, Storage and Analysis

November 13, 2023, Denver, CO, USA

Novel hybrid scalable scientific algorithms are needed with the advent of variety of novel accelerators including graphics processing units (GPUs), field-programmable gate arrays (FPGAs) as well as with the growth of the size of quantum computing devices and neuromorphic chips and various artificial intelligence (AI) specific processors. This myriad of devices requires an unified hybrid approach that allows efficient and scalable hybrid approaches combining classical and novel computing paradigms to be implemented at scale. These extreme-scale heterogeneous systems require novel scientific algorithms to hide the complexity, hide network and memory latency, have advanced communication, and have no synchronization points where possible. With the advent of AI in the past few years the need of such scalable mathematical methods and algorithms for such hybrid architectures that are able to handle data and compute intensive applications at scale becomes even more important.

Scientific algorithms for multi-petaflop and exa-flop systems also need to be fault tolerant and fault resilient, since the probability of faults increases with scale. Resilience at the system software and at the algorithmic level is needed as a crosscutting effort. Key science applications require novel mathematics and mathematical models and system software that address the scalability and resilience challenges of current- and future-generation extreme-scale heterogeneous high performance computing (HPC) systems.

Submission Guidelines

Authors are invited to submit manuscripts in English structured as technical papers at a length of at least 6 letter size (8.5in x 11in) pages and not exceeding 8 pages, including figures, tables, and references using the double-column ACM Primary Article format. Reference style files are available at (use \documentclass[sigconf,screen,final]{acmart} in the ACM LaTeX template).

Submitted papers must represent original unpublished research that is not currently under review for any other conference or journal. Papers not following these guidelines will be rejected without review and further action may be taken, including (but not limited to) notifications sent to the heads of the institutions of the authors and sponsors of the conference. Submissions received after the due date, exceeding length limit, or not appropriately structured may also not be considered. Papers should be submitted electronically at

All manuscripts will be peer-reviewed and judged on correctness, originality, technical strength, and significance, quality of presentation, and interest and relevance to the workshop attendees. Accepted papers will be published with the ACM SC Workshop proceedings. At least one author of an accepted paper must register for and present the paper at the workshop. Authors may contact the workshop program chair, Christian Engelmann at, for more information.

Reproducibility Initiative

As part of a major initiative that aims to increase the level of reproducibility and replicability of results, ScalAH22 invites authors of technical papers to submit optional appendix information that can promote better reproducibility of computational results. Submitted Artifact Description (AD) and Artifact Evaluation (AE) appendices should follow the SC23 conference model and included in the submitted manuscript.

Up to 4 additional letter size (8.5in x 11in) pages are permitted for the AD and AE appendices, but should not be used to circumvent the 8-page limit for the technical contribution. A manuscript can not be disqualified based on information provided or not provided in the AD/AE appendices, nor if the appendix is not available. The availability and quality of an appendix can be used in ranking. In particular, if two manuscripts are of similar quality, the existence and quality of the AD/AE appendices can be part of the evaluation process.

This year, the workshop will not offer AD/AE Appendix Badges. Learn more about the Reproducibility Initiative.

Important Web Sites

Important Dates


Topics of interest include, but are not limited to:

Workshop Chairs

Workshop Program Chair

Program Committee


The workshop program is also listed in the SC online program: 14th Workshop on Latest Advances in Scalable Algorithms for Large-Scale Heterogeneous Systems (ScalAH'23)