# XP/S5
**Wikidata**: [Q70082653](https://www.wikidata.org/wiki/Q70082653)  
**Source**: https://4ort.xyz/entity/xp-s5-q70082653

## Summary
XP/S5 is a supercomputer developed by Intel, first ranked in the TOP500 list in 1995. It ran on OSF/1, a Unix variant, and achieved a peak performance of 3.3 gigaflops, making it one of the most powerful systems of its time.

## Key Facts
- **Instance of**: Supercomputer
- **Manufacturer**: Intel (founded 1968-07-18, United States)
- **Operating System**: OSF/1 (Unix variant)
- **TOP500 System ID**: 1597
- **Performance**:
  - 2.06 gigaflops (Rmax, 1995-06-01)
  - 3.3 gigaflops (Rpeak, 1995-06-01)
- **Processor Cores**: 66
- **Supported OS**: Tru64 UNIX (inception 1992-01-01, United States)

## FAQs
### Q: What company built XP/S5?
A: XP/S5 was developed by Intel, a multinational technology company based in the United States.

### Q: What operating system did XP/S5 use?
A: XP/S5 ran on OSF/1, a Unix variant developed by the Open Software Foundation.

### Q: What was XP/S5's peak performance?
A: XP/S5 achieved a peak performance of 3.3 gigaflops in 1995, with a sustained Rmax of 2.06 gigaflops.

### Q: How many processor cores did XP/S5 have?
A: XP/S5 was equipped with 66 processor cores.

### Q: What was XP/S5's ranking in the TOP500 list?
A: XP/S5 was assigned the TOP500 system ID 1597, indicating its placement in the list.

## Why It Matters
XP/S5 was a significant supercomputer in the late 1990s, leveraging Intel's semiconductor technology to deliver high-performance computing capabilities. Its peak performance of 3.3 gigaflops and 66 processor cores positioned it as a leading system for scientific and industrial applications. By running on OSF/1 and supporting Tru64 UNIX, it provided a robust platform for complex computations. Intel's involvement underscored the company's role in advancing supercomputing infrastructure, contributing to advancements in computational science and engineering.

## Notable For
- **Peak Performance**: Achieved 3.3 gigaflops (Rpeak) in 1995, a notable milestone for its era.
- **Processor Cores**: Featured 66 cores, enhancing its computational power.
- **Operating System**: Ran on OSF/1, a Unix variant, ensuring compatibility with scientific software.
- **TOP500 Ranking**: Assigned ID 1597, reflecting its status among the world's most powerful supercomputers.
- **Intel Collaboration**: Developed by Intel, showcasing the company's expertise in high-performance computing.

## Body
### Overview
XP/S5 is a supercomputer developed by Intel, first ranked in the TOP500 list in 1995. It was designed to deliver high-performance computing capabilities, leveraging Intel's semiconductor technology.

### Technical Specifications
- **Performance**:
  - Rmax: 2.06 gigaflops (1995-06-01)
  - Rpeak: 3.3 gigaflops (1995-06-01)
- **Processor Cores**: 66
- **Operating System**: OSF/1 (Unix variant)
- **Supported OS**: Tru64 UNIX (inception 1992-01-01)

### Manufacturer Details
- **Company**: Intel
  - Founded: 1968-07-18
  - Headquarters: Santa Clara, United States
  - Industry: Semiconductor and electrical industry

### Significance
XP/S5 played a crucial role in advancing supercomputing technology, providing a platform for complex computations in scientific and industrial fields. Its performance metrics and processor configuration made it a notable system in its time.