The Spanish Supercomputing Network was inaugurated in March 2007, due to the need to increase the calculation capacity that serves the scientific community. As a result of this need, an update of the supercomputer was carried out MareNostrum , in which the JS20 blades were replaced by JS21 blades, both from IBM, thus doubling their computing capacity. The substituted blades were used to create a distributed structure of Supercomputers in different locations of the Spanish geography.

Half of said blades was used to expand Magerit, the supercomputer belonging to CeSViMa (UPM). The rest was distributed, in equal parts, to create the nodes of the universities of Cantabria, Malaga, Valencia, Zaragoza and the Institute of Astrophysics of the Canary Islands (IAC). In this way, the RES is formed by the following supercomputers:

MareNostrum at the BSC (Barcelona Supercomputing Center)
Magerit at the CeSViMa (Polytechnic University of Madrid, Madrid)
Altamira at the IFCA (University of Cantabria, Cantabria)
The Palm at the Institute of Astrophysics of the Canary Islands
Picasso at the University of Málaga
Tirant at the University of Valencia
CaesarAugusta in the BIFI (University of Zaragoza)

Later he would join Atlante , at the Technological Institute of the Canary Islands and MinoTauro , a system with GPUs in the BSC. Currently, the extended RES is a Singular Technical Scientific Infrastructure ( ICTS ) distributed. The updated information of its members and capacities can be consulted in the next link

In the Universitat de València, the machine is called Tirant, in honor of the protagonist of the Valencian novel Tirant lo blanc , written by Joanot Martorell in 1490.

In November 2012, MareNostrum suffers a second update, becoming a system of 1 PFlop / s (1 Peta Flop). As a result, all the nodes of the RES are updated and Tirant has a configuration of 2048 PowerPC 970+ cores and 4 TB of distributed RAM, with a peak power of 18.8 TFlops / s.

In July 2017, MareNostrum is updated again and has 11 PFlop / s, so in July 2018 and after some updating works of the Burjassot Data Processing Center, Tirant v3 starts up. The new system consists of 336 nodes, each with two Intel Xeon SandyBridge E5-2670 processors at 2.6 Ghz and 32 GB DDR3 RAM (5376 cores). This provides the new Tirant with 111.8 Tflop / s of performance and 10 TB of distributed memory. For the first time, Tirant mounts a storage system based on Luster, which provides 283 TB, enough for the storage needs of most users.

These supercomputers are accessible by any researcher, distributing the calculation time between the RES, which in the case of Tirant has 50%, and the institution that receives it, which has the remaining 50%.

_Rev:	_{2019 / 06}
_Lang.	Página: (EN) UV SUPERCOMPUTATION Página: (VA) SUPERCOMPUTACIÓ UV Página: (ES) SUPERCOMPUTACIÒN UV

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