# SB5

> supercomputer

**Wikidata**: [Q74584203](https://www.wikidata.org/wiki/Q74584203)  
**Source**: https://4ort.xyz/entity/sb5

## Summary
SB5 is a supercomputer built by Lenovo and launched in 2018. It runs on Linux and achieved a peak performance of 2.12 petaflops on the LINPACK benchmark.

## Key Facts
- SB5 was manufactured by Lenovo and launched in 2018
- It runs on Linux operating system
- The system contains 57,600 processor cores
- SB5 uses Intel Xeon E5-2673V4 processors running at 2.3 GHz
- It achieved a LINPACK benchmark score of 1,650 teraflops (Rmax) and 2.12 petaflops (Rpeak)
- SB5 is connected via 40G Ethernet networking
- The supercomputer is located in Ireland
- On the TOP500 list, SB5 ranked 250th in June 2019, improving to 458th by June 2021

## FAQs
### Q: What is SB5?
A: SB5 is a Lenovo-built supercomputer launched in 2018 that runs on Linux and achieves 2.12 petaflops of peak performance using Intel Xeon processors.

### Q: Where is SB5 located?
A: SB5 is located in Ireland.

### Q: What are SB5's performance specifications?
A: SB5 delivers 1,650 teraflops of LINPACK benchmark performance (Rmax) with 57,600 processor cores and achieves a peak performance of 2.12 petaflops (Rpeak).

## Why It Matters
SB5 represents a significant computing resource for high-performance computing applications, providing substantial processing power for scientific research, data analysis, and complex simulations. As a Lenovo-built system, it demonstrates the company's capabilities in delivering competitive supercomputing solutions. The system's performance metrics place it among the world's top supercomputers, enabling researchers and organizations to tackle computationally intensive problems that would be impossible on conventional computing systems. Its use of Linux and Intel Xeon processors reflects industry-standard approaches to building scalable, reliable supercomputing infrastructure.

## Notable For
- Achieved 2.12 petaflops peak performance on LINPACK benchmark
- Contains 57,600 processor cores for massive parallel processing
- Built by Lenovo as part of their supercomputing portfolio
- Connected via 40G Ethernet for high-speed data transfer
- Maintained TOP500 ranking for multiple years, showing sustained relevance

## Body
### Technical Specifications
SB5 is powered by Intel Xeon E5-2673V4 processors operating at 2.3 GHz. The system contains 57,600 processor cores, enabling massive parallel computation capabilities. The supercomputer achieves a LINPACK benchmark score of 1,650 teraflops for Rmax performance and reaches a theoretical peak of 2.12 petaflops (Rpeak).

### Architecture and Connectivity
The system utilizes 40G Ethernet networking for high-speed inter-node communication. This bus architecture supports the massive parallel processing requirements of modern supercomputing workloads. The choice of Ethernet connectivity reflects a balance between performance and cost-effectiveness for this scale of system.

### Performance History
SB5 has maintained a presence on the TOP500 supercomputer rankings since at least 2019. The system peaked at rank 250 in June 2019, demonstrating its competitive performance at launch. Over subsequent years, as newer systems entered the rankings, SB5's position gradually declined to 458th place by June 2021, which is typical for computing systems as technology advances.

### Operating Environment
The supercomputer runs on Linux, the predominant operating system for high-performance computing environments. This choice provides the stability, flexibility, and extensive software ecosystem required for scientific computing workloads. The Linux foundation enables researchers to deploy a wide range of computational tools and applications.

### Manufacturer and Origin
Lenovo, the Chinese multinational technology company, manufactured SB5. The system's country of origin is listed as Ireland, where it is presumably installed and operated. Lenovo has established itself as a significant player in the supercomputing market, building systems that compete with offerings from traditional HPC vendors.

## References

1. [TOP500](https://www.top500.org/system/179638/)
2. [Source](https://www.top500.org/system/179638/)