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Competition-based AI study aims to lower data center costs

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6 months ago
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Competition-based AI study aims to lower data center costs
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Next top model: Competition-based AI study aims to lower data center costs
A testbed computing cluster, often called the “Sandbox,” is proven throughout the knowledge middle at Jefferson Lab. Credit score: Jefferson Lab photograph/Bryan Hess

Who, or quite what, would be the subsequent prime mannequin? Information scientists and builders on the U.S. Division of Vitality’s Thomas Jefferson Nationwide Accelerator Facility are looking for out, exploring a number of the newest synthetic intelligence (AI) strategies to assist make high-performance computer systems extra dependable and less expensive to run.

The fashions on this case are synthetic neural networks skilled to observe and predict the habits of a scientific computing cluster, the place torrents of numbers are always crunched. The aim is to assist system directors rapidly determine and reply to troublesome computing jobs, decreasing downtime for scientists processing knowledge from their experiments.

In nearly fashion-show type, these machine studying (ML) fashions are judged to see which is greatest fitted to the ever-changing dataset calls for of experimental packages. However not like the hit actuality TV sequence “America’s Subsequent Prime Mannequin” and its worldwide spinoffs, it would not take a whole season to choose a winner. On this contest, a brand new “champion mannequin” is topped each 24 hours primarily based on its potential to be taught from contemporary knowledge.

“We’re attempting to grasp traits of our computing clusters that we’ve not seen earlier than,” mentioned Bryan Hess, Jefferson Lab’s scientific computing operations supervisor and a lead investigator—or choose, so to talk—within the examine. “It is trying on the knowledge middle in a extra holistic means, and going ahead, that is going to be some form of AI or ML mannequin.”

Whereas these fashions do not win any glitzy photoshoots, the challenge lately took the highlight in IEEE Software program as a part of a particular version devoted to machine studying in knowledge middle operations (MLOps).

The outcomes of the examine might have large implications for Huge Science.

The necessity

Giant-scale scientific devices, equivalent to particle accelerators, gentle sources and radio telescopes, are vital DOE amenities that allow scientific discovery. At Jefferson Lab, it is the Steady Electron Beam Accelerator Facility (CEBAF), a DOE Workplace of Science Person Facility relied on by a world neighborhood of greater than 1,650 nuclear physicists.

Experimental detectors at Jefferson Lab accumulate faint signatures of tiny particles originating from the CEBAF electron beams. As a result of CEBAF produces beam 24/7, these indicators translate into mountains of information. The knowledge collected is on the order of tens of petabytes per 12 months. That is sufficient to fill a median laptop computer’s laborious drive about as soon as a minute.

Particle interactions are processed and analyzed in Jefferson Lab’s knowledge middle utilizing high-throughput computing clusters with software program tailor-made to every experiment.

Among the many blinking lights and bundled cables, complicated jobs requiring a number of processors (cores) are the norm. The fluid nature of those workloads means many transferring elements—and extra issues that might go incorrect.

Sure compute jobs or {hardware} issues can lead to sudden cluster habits, known as “anomalies.” They’ll embody reminiscence fragmenting or enter/output overcommitments, leading to delays for scientists.

“When compute clusters get greater, it turns into powerful for system directors to maintain monitor of all of the parts that may go dangerous,” mentioned Ahmed Hossam Mohammed, a postdoctoral researcher at Jefferson Lab and an investigator on the examine. “We wished to automate this course of with a mannequin that flashes a purple gentle every time one thing bizarre occurs.

“That means, system directors can take motion earlier than situations deteriorate even additional.”

A DIDACT-ic strategy

To deal with these challenges, the group developed an ML-based administration system known as DIDACT (Digital Information Middle Twin). The acronym is a play on the phrase “didactic,” which describes one thing that is designed to show. On this case, it is educating synthetic neural networks.

DIDACT is a challenge funded by Jefferson Lab’s Laboratory Directed Analysis & Growth (LDRD) program. This system gives the assets for laboratory employees to pursue initiatives that might make fast and important contributions to vital nationwide science and know-how issues of mission relevance and/or advance the laboratory’s core scientific and technical capabilities.

The DIDACT system is designed to detect anomalies and diagnose their supply utilizing an AI strategy known as continuous studying.

In continuous studying, ML fashions are skilled on knowledge that arrive incrementally, just like the lifelong studying skilled by individuals and animals. The DIDACT workforce trains a number of fashions on this style, with every representing the system dynamics of lively computing jobs, then selects the highest performer primarily based on that day’s knowledge.

The fashions are variations of unsupervised neural networks known as autoencoders. One is supplied with a graph neural community (GNN), which appears at relationships between parts.

“They compete utilizing identified knowledge to find out which had decrease error,” mentioned Diana McSpadden, a Jefferson Lab knowledge scientist and lead on the MLOps examine. “Whichever received that day can be the ‘day by day champion.’ “

The strategy might sooner or later assist scale back downtime in knowledge facilities and optimize vital assets—that means decrease prices and improved science.

Here is the way it works.

The following prime mannequin

To coach the fashions with out affecting day-to-day compute wants, the DIDACT workforce developed a testbed cluster known as the “sandbox.” Consider the sandbox as a runway the place the fashions are scored, on this case primarily based on their potential to coach.

The DIDACT software program is an ensemble of open-source and custom-built code used to develop and handle ML fashions, monitor the sandbox cluster, and write out the information. All these numbers are visualized on a graphical dashboard.

The system consists of three pipelines for the ML “expertise.” One is for offline improvement, like a costume rehearsal. One other is for continuous studying—the place the reside competitors takes place. Every time a brand new prime mannequin emerges, it turns into the first monitor of cluster habits within the real-time pipeline—till it is unseated by the subsequent day’s winner.

“DIDACT represents a artistic stitching collectively of {hardware} and open-source software program,” mentioned Hess, who can also be the infrastructure architect for the Excessive Efficiency Information Facility Hub being constructed at Jefferson Lab in partnership with DOE’s Lawrence Berkeley Nationwide Laboratory. “It is a mixture of issues that you simply usually would not put collectively, and we have proven that it may well work. It actually attracts on the power of Jefferson Lab’s knowledge science and computing operations experience.”

In future research, the DIDACT workforce wish to discover an ML framework that optimizes an information middle’s power utilization, whether or not by decreasing the water stream utilized in cooling or by throttling down cores primarily based on data-processing calls for.

“The aim is at all times to offer extra bang for the buck,” Hess mentioned, “extra science for the greenback.”

Extra data:
Diana McSpadden et al, Establishing Machine Studying Operations for Continuous Studying in Computing Clusters: A Framework for Monitoring and Optimizing Cluster Conduct, IEEE Software program (2024). DOI: 10.1109/MS.2024.3424256

Supplied by
Thomas Jefferson Nationwide Accelerator Facility

Quotation:
Subsequent prime mannequin: Competitors-based AI examine goals to decrease knowledge middle prices (2025, February 28)
retrieved 3 March 2025
from https://techxplore.com/information/2025-02-competition-based-ai-aims-center.html

This doc is topic to copyright. Other than any truthful dealing for the aim of personal examine or analysis, no
half could also be reproduced with out the written permission. The content material is offered for data functions solely.





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