# Blue Crystal v4
**Wikidata**: [Q73948010](https://www.wikidata.org/wiki/Q73948010)  
**Source**: https://4ort.xyz/entity/blue-crystal-v4

## Summary
Blue Crystal v4 is a supercomputer manufactured by Lenovo that runs on Linux. It achieved a peak performance of 617.2 teraflops and a maximum performance of 518.1 teraflops as measured in June 2017.

## Key Facts
- Blue Crystal v4 is classified as a supercomputer
- Manufactured by Lenovo, a Chinese multinational technology company
- Runs on Linux operating system
- Achieved Rmax performance of 518.1 teraflops in June 2017
- Achieved Rpeak performance of 617.2 teraflops in June 2017
- Has a Top500 system ID of 178940
- Lenovo was established in 1984 and is headquartered in Beijing, China
- Lenovo employs approximately 77,000 people as of July 2023

## FAQs
### Q: What is Blue Crystal v4?
A: Blue Crystal v4 is a supercomputer manufactured by Lenovo that runs on Linux. It achieved a peak performance of 617.2 teraflops and a maximum performance of 518.1 teraflops as measured in June 2017.

### Q: Who manufactured Blue Crystal v4?
A: Blue Crystal v4 was manufactured by Lenovo, a Chinese multinational technology company established in 1984 and headquartered in Beijing.

### Q: What operating system does Blue Crystal v4 use?
A: Blue Crystal v4 runs on the Linux operating system, which was first released on September 17, 1991.

## Why It Matters
Blue Crystal v4 represents a significant achievement in high-performance computing, demonstrating the capabilities of modern supercomputers in handling complex computational tasks. As a Linux-based system manufactured by Lenovo, it showcases the company's expansion into the high-performance computing market, traditionally dominated by specialized manufacturers. The system's performance metrics place it among the world's most powerful computing systems, capable of processing vast amounts of data and running sophisticated simulations that would be impossible on conventional computers. This level of computational power is essential for scientific research, weather modeling, complex engineering simulations, and other applications requiring massive parallel processing capabilities.

## Notable For
- Achieved Rpeak performance of 617.2 teraflops, demonstrating exceptional computational power
- Runs on Linux, leveraging the open-source operating system's stability and flexibility
- Manufactured by Lenovo, marking the company's entry into the high-performance computing market
- Ranked on the Top500 list with system ID 178940, placing it among the world's most powerful supercomputers
- Represents the fourth iteration in the Blue Crystal series, showing continued advancement in supercomputing technology

## Body
### Technical Specifications
Blue Crystal v4 achieved its impressive performance metrics through advanced hardware architecture and optimization. The system's Rmax (maximum achieved performance) of 518.1 teraflops and Rpeak (theoretical peak performance) of 617.2 teraflops were measured in June 2017, placing it among the top-performing supercomputers globally at that time.

### System Architecture
As a Linux-based supercomputer, Blue Crystal v4 benefits from the operating system's stability, security, and flexibility in handling complex computational tasks. The Linux foundation allows for extensive customization and optimization for specific high-performance computing workloads.

### Manufacturer Background
Lenovo, the manufacturer of Blue Crystal v4, is a major player in the global technology industry. Founded in 1984 and headquartered in Beijing, China, Lenovo has grown to employ approximately 77,000 people as of July 2023. The company's venture into supercomputing with Blue Crystal v4 demonstrates its technological capabilities beyond consumer and enterprise computing products.

### Performance Context
The performance achieved by Blue Crystal v4 - 518.1 teraflops Rmax and 617.2 teraflops Rpeak - represents significant computational power. To put this in perspective, a teraflop represents one trillion floating-point operations per second, meaning Blue Crystal v4 can perform hundreds of trillions of calculations every second. This level of performance enables complex scientific simulations, advanced data analysis, and other computationally intensive tasks that drive research and innovation across multiple fields.