# A12A -

> Irish supercomputer

**Wikidata**: [Q133455575](https://www.wikidata.org/wiki/Q133455575)  
**Source**: https://4ort.xyz/entity/a12a

## Summary
A12A - is an Irish supercomputer built by Lenovo and powered by Linux. It ranks on the TOP500 list of the world's most powerful supercomputers, achieving 2.35 petaflops of sustained performance.

## Key Facts
- Built by Lenovo and launched in 2022
- Located in Ireland and runs on Linux operating system
- Contains 69,120 processor cores using Xeon Gold 6252 CPUs
- Achieves 2.35 petaflops Rmax performance and 4.64 petaflops Rpeak performance
- Ranked 478th on the TOP500 list as of November 2024
- Previously ranked 283rd on the TOP500 list as of June 2022
- Connected via 100G Ethernet networking
- Identified by TOP500 system ID 180067

## FAQs
### Q: What is A12A -?
A: A12A - is an Irish supercomputer built by Lenovo that runs on Linux. It contains 69,120 processor cores and achieves 2.35 petaflops of sustained performance, ranking among the world's top supercomputers.

### Q: When was A12A - built and where is it located?
A: A12A - was built in 2022 and is located in Ireland. It was manufactured by Lenovo and uses Xeon Gold 6252 processors.

### Q: How powerful is A12A - compared to other supercomputers?
A: A12A - ranks 478th on the November 2024 TOP500 list, achieving 2.35 petaflops of sustained performance. It previously ranked 283rd in June 2022, showing its competitive position among global supercomputers.

## Why It Matters
A12A - represents Ireland's contribution to high-performance computing infrastructure, providing critical computational resources for research and industry applications. As a Linux-based system built by Lenovo, it demonstrates the accessibility of supercomputing technology for national research initiatives. The system's 2.35 petaflops performance enables complex scientific simulations, data analysis, and computational research that would be impossible on conventional computing systems. Its presence in Ireland strengthens the country's technological capabilities and provides researchers with access to world-class computing resources. The system's ranking on the TOP500 list validates its performance against global competitors and establishes Ireland as a player in the international supercomputing landscape.

## Notable For
- Irish supercomputer representing national high-performance computing capabilities
- Achieves 2.35 petaflops sustained performance using Linux operating system
- Contains 69,120 processor cores in a single system configuration
- Built by Lenovo using Xeon Gold 6252 processors
- Maintains consistent TOP500 ranking since 2022

## Body
### Technical Specifications
A12A - operates as a Linux-based supercomputer system built by Lenovo in 2022. The system utilizes Xeon Gold 6252 processors, specifically configured with 24 cores per processor running at 2.1GHz. The total system contains 69,120 processor cores, creating a substantial parallel computing environment.

### Performance Metrics
The supercomputer achieves 2.35 petaflops of sustained performance (Rmax) and 4.64 petaflops of peak performance (Rpeak). These metrics place A12A - within the upper echelon of global supercomputing systems, though it continues to evolve as technology advances.

### Network Infrastructure
A12A - employs 100G Ethernet networking for high-speed inter-node communication. This networking capability is essential for distributed computing tasks and enables efficient data transfer between the system's numerous processor cores.

### TOP500 Rankings
The system has maintained a presence on the TOP500 list since at least June 2022, when it ranked 283rd. As of November 2024, it holds position 478th, demonstrating its sustained relevance in the competitive supercomputing landscape. The system is identified by TOP500 ID 180067.

### System Configuration
The complete configuration includes ThinkSystem C0366 nodes equipped with Xeon Gold 6252 24-core processors at 2.1GHz, connected via 100G Ethernet. This architecture represents a balance between computational power and energy efficiency for sustained high-performance computing operations.

## References

1. [Source](https://top500.org/system/180067/)
2. [TOP500](https://top500.org/system/180067/)