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One of the World’s Most Powerful Computers is Located Inside a Church

Nikola Budanovic
Photo courtesy of IBM Research / Barcelona Supercomputing Center - National Supercomputing Center (BSC-CNS) - CC BY-ND 2.0
Photo courtesy of IBM Research / Barcelona Supercomputing Center - National Supercomputing Center (BSC-CNS) - CC BY-ND 2.0

When we talk about facilities designed to store scientific supercomputers, we usually imagine high-tech structures of concrete and glass, with a sense of futuristic vision.

Buildings suitable for housing such devices usually need to fulfill certain conditions and are therefore built for this occasion.

However, in Barcelona, heads of the Polytechnic University of Catalonia (UPC) decided to combine history with the future of computer science, creating one of the most beautiful settings for its MareNostrum supercomputer.

MareNostrum 4 supercomputer at Barcelona Supercomputing Center. Photo by Gemmaribasmaspoch CC BY-SA 4.0
MareNostrum 4 supercomputer at Barcelona Supercomputing Center. Photo by Gemmaribasmaspoch CC BY-SA 4.0

 

Inside the chapel. Photo by David Abián CC BY-SA 4.0
Inside the chapel. Photo by David Abián CC BY-SA 4.0

The Barcelona Supercomputing Center which houses the machine is actually a 1940s chapel, that was deconsecrated in the 1970s.

The estate on which the chapel was built was once a privately owned residence of the Girona family, whose patriarch was Manuel Girona, a 19th century banker and Mayor of Barcelona.

MareNostrum 2 – Refrigerated racks. Photo by Vcarceler CC BY SA 3.0
MareNostrum 2 – Refrigerated racks. Photo by Vcarceler CC BY SA 3.0

The estate was built in the 1860s and belonged to the Girona family for more than 100 years. It became the property of the Polytechnic University in the 1970s, together with the famous Torre Girona chapel.

The chapel was used as a boardroom and even an aula magna for UPC lectures up until 2005, when the university decided it would be the perfect location for the headquarters of the Barcelona Supercomputing Center.

MareNostrum 2 – Refrigerated cells. Photo by Vcarceler CC BY SA 3.0
MareNostrum 2 – Refrigerated cells. Photo by Vcarceler CC BY SA 3.0

Gemma Maspoch, head of communications for Barcelona Supercomputing Center, gave an interview in January 2019 for Motherboard, explaining the origins of this idea:

“We were in need of hundreds of square meters without columns and the capacity to support 44.5 tons of weight. At the time there was not much available space at the university and the only room that satisfied our requirements was the Torre Girona chapel. We did not doubt it for a moment and we installed a supercomputer in it.”

MareNostrum – Entrance. Photo by Vcarceler CC BY SA 3.0
MareNostrum – Entrance. Photo by Vcarceler CC BY SA 3.0

Adjustments were made in order to reinforce the ground around the chapel, as it had to sustain the weight of hardware and the glass box specially designed to house MareNostrum and help cool it.

As for the exterior of the church, its most recognizable elements remained untouched. The Torre Girona still possesses its original pillars, the arched gallery, and the stained glass windows. On the other hand, the interior infrastructure was redesigned so that it could fit a 120 square meters glass box (that’s an area a little less than half a basketball court) in which MareNostrum is stored.

Viewing area. Photo by David Abián CC BY-SA 4.0
Viewing area. Photo by David Abián CC BY-SA 4.0

While the sight alone leaves people breathless, the operational capacity of MareNostrum is even more eye-popping for the programmers and scientists who work with it.

Back in 2005, when it first came online, the supercomputer was capable of computing between 42.35 and 63.8 trillion operations per second. Since 2017, its performance was enhanced to up to 11 thousand trillion operations per second.

MareNostrum 2 – Looking down through the glass floor onto CPU racks. Photo by Vcarceler CC BY SA 3.0
MareNostrum 2 – Looking down through the glass floor onto CPU racks. Photo by Vcarceler CC BY SA 3.0

The current MareNostrum is the fourth incarnation of the supercomputer, which spreads over 48 server racks and is considered to be the 25th most powerful computer in the world.

Translated as “Our Sea,” MareNostrum refers to the Roman name for the Mediterranean, adding yet another layer of historical meaning to the project, reaching back through time in order to envision a continuity in scientific research dating from the times of Ancient Rome to this day.

Inside Chapel Torre Girona. David Abián CC BY-SA 4.0
Inside Chapel Torre Girona. David Abián CC BY-SA 4.0

Although it operates with $40 million worth of equipment, the Barcelona Supercomputing Center allows researchers the benefit of using MareNostrum in their studies free of charge.

From its inception in 2005, the UPC supercomputer has participated in research revolving around a variety of fields, including astrophysics, climate modeling, and genome research, and has been known for achieving remarkable results.

Mateo Valero with the supercomputer MareNostrum of the Barcelona Supercomputing Center in 2013. Photo by Barcelona Supercomputing Center-National Supercomputer Center CC BY-SA 4.0
Mateo Valero with the supercomputer MareNostrum of the Barcelona Supercomputing Center in 2013. Photo by Barcelona Supercomputing Center-National Supercomputer Center CC BY-SA 4.0

For example, in 2012, researchers assigned to MareNostrum conducted a study which managed to simulate the structure of triple helix DNA in a vacuum.

This groundbreaking project shed further light on the use of antigen therapy, which currently constitutes a cutting-edge approach to a disease by switching off activity in the relevant genes.

Read another story from us: Missing Piece of the World’s Oldest Analog Computer Found on Aegean Seabed

Even though aesthetics were never a top priority for the UPC, the Barcelona Supercomputing Center was awarded the prize for Most Beautiful Data Center in the World, in January 2018. The competition is held annually by Datacenter Dynamics (DCD), a respected London-based IT media publisher.

Nikola Budanovic

Nikola Budanovic is a freelance journalist who has worked for various media outlets such as Vice, War History Online,The Vintage News, Taste of Cinema,etc. He mostly deals with subjects such as military history and history in general, literature and film.