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Imec mitigates thermal bottleneck in 3D HBM-on-GPU architectures using a system-technology co-optimization approach
Thursday, January 22, 2026
Holistic system-technology co-optimization (STCO) approach key in reducing peak GPU and HBM temperatures under AI workloads while enhancing performance density of future GPU-based architectures
LEUVEN, Belgium, Dec. 8, 2025 /PRNewswire/ --
-- Imec presents the first comprehensive thermal study of 3D HBM-on-GPU
integration using a system-technology co-optimization (STCO) approach.
-- The study allows to identify and mitigate thermal bottlenecks in a
promising next-gen compute system architecture for AI applications.
-- Peak GPU temperatures could be reduced from 140.7°C to 70.8°C under
realistic AI training workloads.
-- "This is also the first time that we demonstrate the capabilities of
imec's new cross-technology co-optimization (XTCO) program in developing
more thermally robust advanced compute systems." - Julien Ryckaert,
imec.
-- About imecImec is a world-leading research and innovation hub in
advanced semiconductor technologies. Leveraging its state-of-the-art R&D
infrastructure and the expertise of over 6,500 employees, imec drives
innovation in semiconductor and system scaling, artificial intelligence,
silicon photonics, connectivity, and sensing.Imec's advanced research
powers breakthroughs across a wide range of industries, including
computing, health, automotive, energy, infotainment, industry, agrifood,
and security. Through IC-Link, imec guides companies through every step
of the chip journey - from initial concept to full-scale manufacturing -
delivering customized solutions tailored to meet the most advanced
design and production needs.Imec collaborates with global leaders across
the semiconductor value chain, as well as with technology companies,
start-ups, academia, and research institutions in Flanders and
worldwide. Headquartered in Leuven, Belgium, imec has research
facilities in Belgium, across Europe and the USA, and with
representation on three continents. In 2024, imec reported revenues of
EUR1.034 billion. For more information, visit www.imec-int.com
Full press release: https://www.imec-int.com/en/press/imec-mitigates-thermal-bottleneck-3d-hbm-gpu-architectures-using-system-technology-co
View original content to download multimedia:https://www.prnewswire.com/news-releases/imec-mitigates-thermal-bottleneck-in-3d-hbm-on-gpu-architectures-using-a-system-technology-co-optimization-approach-302635548.html
SOURCE Imec
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