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National Academic Infrastructure for Super­computing in Sweden

Colourful computer cables and yellow/green LEDs

NAISS 2026 Large Fall, LUMI calls are open

The Large Fall 2026 call is the first where Arrhenius replaces all previous NAISS systems. And for LUMI, we will now accept CPU-only requests.

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Four smiling people in front of supercomputer Arrhenius

Arrhenius successfully inaugurated

Our new EuroHPC supercomputer Arrhenius was formally inaugurated at a well-attended ceremony on 8 September. Prominent guests and NAISS users from near and afar joined us in Linköping to celebrate this milestone event.

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Photo of Tommy Löfstedt.

User story: Tommy Löfstedt

Tommy Löfstedt, associate professor and docent in computing science at Umeå University, heads a research group dedicated to machine learning and computer vision. They are currently working on a project which is aiming to improve the automatic segmenting of medical images for children. For this purpose they have been using the NAISS GPU resource Alvis to train thousands of models.

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News

news
22 Sep 2026

NAISS Large Fall and LUMI Sweden 2026 calls announced

news
15 Sep 2026

NAISS, MAX IV, and InfraVis in new collaboration

news
09 Sep 2026

Arrhenius successfully inaugurated

news
03 Sep 2026

Official inauguration of Arrhenius on 8 September

news
24 Aug 2026

Mimer AI Factory becomes Sweden AI Factory

news
23 Jun 2026

Arrhenius ranked 42nd most powerful system in the world

News

Events

06-07 Oct2025

Hybrid

Conference

NAISS User Forum 2026

Events

NAISS
Linköping University
581 83 LINKÖPING

Hans Meijers väg
Campus Valla, B Building
Entrance 25, 1st floor
LINKÖPING
(directions)

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