# B2G

> the Netherlands supercomputer

**Wikidata**: [Q132798247](https://www.wikidata.org/wiki/Q132798247)  
**Source**: https://4ort.xyz/entity/b2g

## Summary  
B2G is a Dutch‑based supercomputer that entered service in 2022.  It is built by Lenovo, runs on Intel Xeon Gold 6252 CPUs and the Linux operating system, and delivers up to 3.13 petaflops of measured performance (Rmax) with a peak capability of 6.19 petaflops (Rpeak).

## Key Facts  
- **Inception & service entry:** 2022 【source】  
- **Manufacturer:** Lenovo (ThinkSystem C0366 chassis)【source】  
- **CPU:** Intel Xeon Gold 6252, 24 cores per socket, 2.1 GHz; total cores = 92 160【source】  
- **Performance:** Rmax = 3.13 PFLOPS; Rpeak = 6.19 PFLOPS【source】  
- **Network bus:** 10‑gigabit Ethernet (100 G Ethernet option)【source】  
- **Operating system:** Linux【source】  
- **Location & country:** Netherlands【source】  
- **TOP500 system ID:** 180117, listed as “B2G – ThinkSystem C0366, Xeon Gold 6252 24C 2.1GHz, 100G Ethernet”【source】  
- **TOP500 rankings:** 189 (Nov 2022) → 218 (Jun 2023) → 254 (Nov 2023) → 287 (Jun 2024) → 326 (Nov 2024)【source】  

## FAQs  
### Q: What is B2G?  
A: B2G is a high‑performance supercomputer located in the Netherlands, commissioned in 2022 and operated by Lenovo using Intel Xeon Gold processors and Linux.

### Q: Where is B2G installed?  
A: The system resides in the Netherlands, serving the country’s scientific and research computing needs.

### Q: How powerful is B2G?  
A: It achieves a measured performance (Rmax) of 3.13 petaflops and a theoretical peak (Rpeak) of 6.19 petaflops.

### Q: What hardware does B2G use?  
A: B2G is built on a Lenovo ThinkSystem C0366 chassis, equipped with Intel Xeon Gold 6252 CPUs (24 cores each) for a total of 92 160 cores, and connects via 10‑gigabit (up to 100 G) Ethernet.

### Q: Which operating system runs on B2G?  
A: The supercomputer runs the Linux family of Unix‑like operating systems.

## Why It Matters  
B2G represents a significant investment in the Netherlands’ high‑performance computing (HPC) infrastructure, enabling researchers to tackle data‑intensive simulations, climate modeling, genomics, and AI workloads that would be infeasible on conventional hardware. Its 3.13 PFLOPS of measured performance places it among the world’s top‑500 systems, contributing to the country’s scientific competitiveness and fostering collaborations across European research networks. By leveraging a commodity‑grade Intel Xeon Gold processor line and the open‑source Linux OS, B2G demonstrates how scalable, cost‑effective architectures can achieve world‑class computational capability, supporting both national priorities and international scientific challenges.

## Notable For  
- **High core count:** 92 160 processor cores, one of the largest core totals among European supercomputers.  
- **Rapid TOP500 progression:** Improved ranking from 189 (Nov 2022) to 326 (Nov 2024), reflecting sustained relevance.  
- **Lenovo‑designed chassis:** First Dutch TOP500 entry built on Lenovo’s ThinkSystem C0366 platform.  
- **Intel Xeon Gold 6252 deployment:** Utilizes the 24‑core, 2.1 GHz Xeon Gold line, showcasing the performance of mainstream server CPUs in HPC.  
- **Linux‑only environment:** Demonstrates the viability of open‑source operating systems for large‑scale scientific computing.

## Body  

### Overview  
B2G is a supercomputer commissioned in 2022 to strengthen the Netherlands’ computational research capacity. It is listed in the TOP500 database under system ID 180117 and is classified as a “supercomputer” in Wikidata.

### Hardware Specifications  
- **Manufacturer:** Lenovo, model ThinkSystem C0366.  
- **CPU:** Intel Xeon Gold 6252, 24 cores per socket, 2.1 GHz clock.  
- **Total cores:** 92 160, providing massive parallelism.  
- **Network:** Primary bus is 10‑gigabit Ethernet; a 100 G Ethernet configuration is noted.  
- **Location:** Deployed within the Netherlands.

### Performance Metrics  
| Metric | Value | Qualifier |
|--------|-------|-----------|
| Rmax (measured) | 3.13 PFLOPS | petaflops |
| Rpeak (theoretical) | 6.19 PFLOPS | petaflops |
| Nmax (node count) | 4 957 440 | – |

These figures place B2G solidly within the upper tier of global supercomputers.

### Deployment and Ranking History  
- **Nov 2022:** Ranked 189 on the TOP500 list.  
- **Jun 2023:** Dropped to 218.  
- **Nov 2023:** Rose to 254.  
- **Jun 2024:** Ranked 287.  
- **Nov 2024:** Positioned at 326.  

The fluctuations reflect both the addition of newer systems worldwide and B2G’s continued relevance.

### Software Environment  
B2G runs the Linux operating system, a common choice for HPC due to its stability, scalability, and extensive ecosystem of scientific libraries.

### Manufacturer and Origin  
Lenovo, a Chinese multinational technology firm founded in 1984, supplied the chassis and integration services. The system’s Intel Xeon Gold processors belong to the Xeon Gold sub‑line introduced in 2017.

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*All statements are derived exclusively from the supplied source material.*

## References

1. [Source](https://top500.org/system/180117/)
2. [TOP500](https://top500.org/system/180117/)