# JJJ1

> supercomputer developed by Lenovo

**Wikidata**: [Q132667289](https://www.wikidata.org/wiki/Q132667289)  
**Source**: https://4ort.xyz/entity/jjj1

## Summary
JJJ1 is a supercomputer developed by the Chinese multinational technology company Lenovo. Operational since 2021, it is located in the People's Republic of China and is used for applications in the industrial sector. The system runs on the Linux operating system and utilizes tens of thousands of Intel Xeon Gold processor cores.

## Key Facts
- **Instance of:** Supercomputer
- **Manufacturer:** Lenovo
- **Inception:** 2021
- **Country:** People's Republic of China
- **Primary Use:** Industrial sector
- **Operating System:** Linux
- **CPU:** Intel Xeon Gold 6233 (24 cores @ 2.5 GHz)
- **Total Processor Cores:** 78,720
- **Sustained Performance (Rmax):** 2.93 petaflops
- **TOP500 Debut:** Ranked 169th in the November 2021 list.

## FAQs
### Q: Who developed the JJJ1 supercomputer?
A: JJJ1 was developed by Lenovo, a Chinese multinational technology company that specializes in computer hardware and electronics.

### Q: How powerful is the JJJ1 supercomputer?
A: JJJ1 has a theoretical peak performance (Rpeak) of 6.30 petaflops. Its sustained performance, as measured by the Rmax benchmark, is 2.93 petaflops.

### Q: What kind of processors does JJJ1 use?
A: JJJ1 is equipped with Intel Xeon Gold 6233 processors. Each CPU has 24 cores and runs at a clock speed of 2.5 GHz, for a system total of 78,720 cores.

## Why It Matters
JJJ1 represents a significant high-performance computing (HPC) resource dedicated to the industrial sector within the People's Republic of China. Developed by Lenovo, a major global technology manufacturer, its existence underscores the company's capabilities in the supercomputing space. The system's consistent inclusion in the TOP500 list of the world's most powerful supercomputers since 2021 highlights its sustained computational power and relevance.

By providing substantial processing capabilities, JJJ1 supports complex industrial tasks, which can range from advanced manufacturing simulations and product design to large-scale data analysis and resource management. Its architecture, built on widely-used Intel Xeon processors and the Linux operating system, makes it a robust and accessible platform for a variety of industrial applications. JJJ1 serves as a key piece of infrastructure, enabling innovation and efficiency within China's industrial base.

## Notable For
- **Industrial Focus:** The system is specifically designated for use within the industrial sector, rather than for academic or government research.
- **Lenovo Development:** It is a product of Lenovo, one of the world's largest technology companies, showcasing its role as a supercomputer manufacturer.
- **TOP500 Ranking:** JJJ1 has been consistently ranked on the TOP500 list of supercomputers since its debut in November 2021.
- **CPU-based Architecture:** The system achieves its performance using a large-scale installation of 78,720 Intel Xeon Gold CPU cores, without specified GPU accelerators.

## Body
### System Architecture and Specifications
JJJ1 is a supercomputer manufactured by Lenovo, identified as a ThinkSystem HR650X model.
- **CPU:** The system is powered by Intel Xeon Gold 6233 processors. Each processor contains 24 cores and operates at a frequency of 2.5 GHz.
- **Total Cores:** The entire system comprises a total of 78,720 processor cores.
- **Operating System:** JJJ1 runs on the Linux operating system, a common choice for high-performance computing environments.
- **Interconnect:** The system uses a 25G Ethernet interconnect.

### Performance
The performance of JJJ1 is measured using standard HPC benchmarks and is recorded by the TOP500 project.
- **Rmax (Sustained Performance):** 2.93 petaflops
- **Rpeak (Theoretical Peak Performance):** 6.30 petaflops
- **Nmax (Problem Size for Rmax):** 5,611,392

### Operational History
- **Inception:** The supercomputer became operational in 2021.
- **Location:** It is located in the People's Republic of China.
- **Use:** Its designated application area is the industrial sector.
- **TOP500 System ID:** 180005

#### TOP500 Ranking History
JJJ1 has been featured on the TOP500 list since late 2021. Its rank has changed over time as more powerful systems have come online.
- **November 2021:** 169
- **June 2022:** 185
- **November 2022:** 210
- **June 2023:** 247
- **November 2023:** 283
- **June 2024:** 320
- **November 2024:** 361

## References

1. [TOP500](https://top500.org/site/50854/)
2. [TOP500](https://top500.org/system/180005/)