# A11A

> Irish supercomputer

**Wikidata**: [Q133455548](https://www.wikidata.org/wiki/Q133455548)  
**Source**: https://4ort.xyz/entity/a11a

## Summary
A11A is an Irish supercomputer built by Lenovo and launched in 2022. It runs on Linux and uses Xeon Gold 6252 processors, achieving 2.35 petaflops of sustained performance.

## Key Facts
- A11A is an Irish supercomputer built by Lenovo and launched in 2022
- It runs on Linux operating system and uses Xeon Gold 6252 processors
- The system contains 69,120 processor cores and achieves 2.35 petaflops of sustained performance
- A11A is ranked 479th on the TOP500 list as of November 2024
- It previously ranked 284th on the TOP500 list in June 2022
- The supercomputer is located in Ireland and has a TOP500 system ID of 180068
- A11A has a peak performance capability of 4.64 petaflops

## FAQs
### Q: What is A11A?
A: A11A is an Irish supercomputer built by Lenovo in 2022 that runs on Linux and uses Xeon Gold 6252 processors. It achieves 2.35 petaflops of sustained performance and is ranked 479th on the TOP500 list.

### Q: Who built A11A and when was it launched?
A: A11A was built by Lenovo and launched in 2022. It is located in Ireland and uses Xeon Gold 6252 processors with 69,120 cores.

### Q: What are A11A's performance specifications?
A: A11A achieves 2.35 petaflops of sustained performance (Rmax) and has a peak performance capability of 4.64 petaflops (Rpeak). It uses 24-core Xeon Gold 6252 processors running at 2.1GHz.

## Why It Matters
A11A represents Ireland's growing presence in high-performance computing infrastructure, providing researchers and institutions with access to substantial computational resources. As a Lenovo-built system, it demonstrates the company's capability to deliver competitive supercomputing solutions outside of traditional US and Japanese manufacturers. The system's 2.35 petaflops of sustained performance enables complex scientific simulations, data analysis, and computational research that would be impossible on conventional computing systems. Its ranking on the TOP500 list places it among the world's most powerful computers, making it a valuable national resource for advancing research in fields such as climate modeling, pharmaceutical development, and artificial intelligence. The use of Linux as its operating system ensures compatibility with a wide range of scientific software and research tools, while its Xeon Gold 6252 processors provide a balance of performance and energy efficiency for sustained computational workloads.

## Notable For
- Irish supercomputer built by Lenovo, representing national high-performance computing capability
- Achieves 2.35 petaflops of sustained performance with 69,120 processor cores
- Ranked 479th on the prestigious TOP500 list as of November 2024
- Uses energy-efficient Xeon Gold 6252 processors running at 2.1GHz
- Demonstrates Linux's continued dominance in supercomputing operating systems

## Body
### Technical Specifications
A11A is built around Lenovo's ThinkSystem architecture and utilizes Xeon Gold 6252 processors, which feature 24 cores each running at 2.1GHz. The system contains a total of 69,120 processor cores, providing substantial parallel computing capability for complex workloads. The supercomputer connects using 100G Ethernet networking and runs on the Linux operating system, which is the dominant platform in high-performance computing environments.

### Performance Metrics
The system achieves 2.35 petaflops of sustained performance (Rmax), which measures the actual computational throughput achieved during real-world applications. Its peak theoretical performance reaches 4.64 petaflops (Rpeak), representing the maximum computational capability when all components operate at their theoretical limits. These performance levels place A11A among the top 500 supercomputers globally, with its ranking fluctuating between 284th and 479th position over time.

### Infrastructure and Architecture
As a Lenovo-built system, A11A represents the company's expansion into the supercomputing market, competing with traditional manufacturers like Cray, IBM, and HPE. The system's architecture is designed for high-density computing with efficient power usage, making it suitable for research institutions and national laboratories. Its location in Ireland positions it as a key computational resource for European research initiatives and academic institutions in the region.

### Applications and Usage
While specific application details are not provided in the source material, supercomputers of this class typically support a wide range of scientific and industrial applications. These include climate modeling, computational fluid dynamics, molecular dynamics simulations, machine learning workloads, and large-scale data analytics. The system's Linux-based architecture ensures compatibility with the extensive ecosystem of scientific computing software and tools used in research institutions worldwide.

## References

1. [Source](https://top500.org/system/180068/)
2. [TOP500](https://top500.org/system/180068/)