The Galician Supercomputing Center (Centro de Supercomputacien de Galicia, or CESGA) is a public foundation and research center located in Santiago de Compostela, Spain. Established in 1993, it is a joint initiative of the Regional Government of Galicia (Xunta de Galicia) and the Spanish National Research Council (CSIC). CESGA serves as a fundamental pillar for the development of high-performance computing (HPC), advanced communications, and data-intensive science in the Galician and Spanish research communities.
As a member of the Spanish Supercomputing Network (RES) and recognized as a Singular Scientific and Technical Infrastructure (ICTS) by the Spanish Ministry of Science and Innovation, CESGA provides state-of-the-art resources to universities, research centers, and private industries. Its mission is to advance scientific knowledge and socio-economic growth by facilitating access to computing power that exceeds the capabilities of standard institutional hardware.
Core Infrastructure
CESGA's operational capacity is built upon several generations of supercomputing hardware and emerging quantum technologies.
1. FinisTerrae III Supercomputer
The flagship of the center is the FinisTerrae III, which entered production to replace its predecessors with a massive leap in performance.
* Computational Power: It offers a peak performance of approximately 4 PetaFLOPS.
* Architecture: It comprises 354 nodes featuring Intel Xeon Ice Lake processors (708 CPUs total) with over 22,000 cores.
* Acceleration: The system integrates 144 NVIDIA A100 and T4 GPUs, specifically designed to handle heavy Artificial Intelligence (AI) and Machine Learning (ML) workloads.
* Memory and Interconnect: It boasts 118 TB of aggregate RAM and utilizes a high-speed Infiniband HDR100 low-latency network.
2. Quantum Technologies: QMIO
CESGA is a pioneer in the "Galician Quantum Technologies Hub." In 2023, it deployed QMIO, a quantum computing research environment.
* Quantum Processor: As of early 2026, the center operates a 32-qubit superconducting quantum computer (coaxmon-type).
* Future Expansion: Under a 2025 agreement with IQM and Telef?nica, CESGA is slated to install a 54-qubit IQM Radiance system and a 5-qubit IQM Spark system by mid-2026 to further industrial and educational access.
* Emulation: The center also maintains an Atos Quantum Learning Machine (QLM), a simulator capable of emulating up to 30+ qubit circuits using classical hardware.
Products and Services
CESGA offers a tiered service model catering to academic researchers, public institutions, and commercial enterprises.
High-Performance Computing (HPC)
This is the core service for scientific users requiring massive parallel processing.
* Batch Processing: Access to the FinisTerrae III cluster for complex simulations in physics, chemistry, and genomics.
* Specialized Libraries: Over 1,900 pre-installed software libraries including tools for Computational Fluid Dynamics (CFD), Molecular Dynamics, and Ab Initio Quantum Chemistry.
* Technical Support: Dedicated application engineers assist users in parallelizing code and optimizing algorithms for the specific hardware architecture.
Cloud Computing and Virtualization
For users who need custom environments rather than batch processing, CESGA provides a robust cloud infrastructure.
* IaaS (Infrastructure as a Service): On-demand virtual machines (VMs) where users can install their own operating systems and stacks.
* Elasticity: Scalable resources for projects that require variable computing power throughout their lifecycle.
* Cloud-HPC Integration: Seamless movement of data between virtualized front-ends and the massive HPC backend.
Advanced Data Storage and Management
CESGA manages a hierarchical storage management (HSM) system designed for the "Big Data" era.
* Lustre Filesystem: High-performance shared storage for active computations (4PB+).
* Permanent Archiving: A tape library system providing up to 20PB of long-term data security.
* Remote Backup: Secure off-site backup services for Galician research institutions and universities.
Connectivity and Networking (GalNIX)
CESGA operates GalNIX, the Galician Neutral Internet Exchange point. This service facilitates efficient data interchange between Internet Service Providers (ISPs) operating in the region, reducing latency for local users and improving the regional digital infrastructure.
Research and Innovation Focus
Beyond providing hardware, CESGA leads research in several strategic domains:
Life Sciences and Health: Supporting genomic sequencing, personalized medicine, and the "OneHealth" Data Space project, which focuses on secure and sovereign data sharing for healthcare.
Climate and Environment: Running regional meteorological predictions and climate change models to assist local agriculture and maritime industries.
Artificial Intelligence: Providing the "AI Lab" environment for the development of efficient neural networks and massive data processing platforms.
Educational Technology: Researching e-learning platforms and collaborative digital tools for the academic sector.
Access and Institutional Role
As a public non-profit, CESGA's resources are typically allocated via a competitive call for proposals based on scientific excellence. However, it also maintains specific programs for SMEs and startups through initiatives like DATAlife, which helps small companies conduct "Proof of Concept" tests using supercomputing resources to accelerate their digital transformation.
CESGA is deeply integrated into the European research fabric, participating in Horizon Europe partnerships and collaborating with other major supercomputing centers like CINECA (Italy) and Julich (Germany).
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