# XP/S5
**Wikidata**: [Q69700574](https://www.wikidata.org/wiki/Q69700574)  
**Source**: https://4ort.xyz/entity/xp-s5-q69700574

## Summary
XP/S5 is a supercomputer developed by Intel, running on the OSF/1 operating system. It achieved peak performance of 3.3 gigaflops and was part of the TOP500 list, ranking at position 538. The system featured 66 processor cores and was notable for its performance in the mid-1990s.

## Key Facts
- **Instance of**: Supercomputer
- **Manufacturer**: Intel
- **Operating System**: OSF/1
- **TOP500 System ID**: 538
- **Peak Performance**: 3.3 gigaflops (Rpeak, 1995-06-01)
- **Maximum Performance**: 2.06 gigaflops (Rmax, 1995-06-01)
- **Processor Cores**: 66
- **Performance Metrics**: Recorded performance metrics in 1993, 1994, and 1995
- **Operating System Compatibility**: Runs on OSF/1, a Unix variant developed by the Open Software Foundation

## FAQs
### Q: What company manufactured XP/S5?
A: XP/S5 was manufactured by Intel, a leading American technology company specializing in semiconductors.

### Q: What operating system did XP/S5 use?
A: XP/S5 ran on OSF/1, a Unix-based operating system 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 (Rpeak) in 1995.

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

### Q: Where did XP/S5 rank on the TOP500 list?
A: XP/S5 was ranked at position 538 on the TOP500 list of supercomputers.

## Why It Matters
XP/S5 was a significant supercomputer in the mid-1990s, contributing to advancements in computational power and performance. Its peak performance of 3.3 gigaflops and 66 processor cores made it a notable entry in the TOP500 rankings. Running on OSF/1, it demonstrated compatibility with Unix-based systems, which were widely used in scientific and industrial applications. The system's inclusion in the TOP500 list highlights its role in the evolution of high-performance computing during that era.

## Notable For
- **TOP500 Ranking**: Achieved a position of 538, reflecting its status as a high-performance supercomputer.
- **Performance Metrics**: Recorded performance metrics in multiple years, including 1993, 1994, and 1995.
- **Processor Cores**: Featured 66 processor cores, contributing to its computational power.
- **Operating System**: Ran on OSF/1, a Unix variant, ensuring compatibility with existing software ecosystems.
- **Manufacturer**: Developed by Intel, a leading semiconductor company, ensuring high-quality hardware.

## Body
### Overview
XP/S5 is a supercomputer manufactured by Intel, known for its performance in the mid-1990s. It ran on the OSF/1 operating system, a Unix variant developed by the Open Software Foundation. The system was part of the TOP500 list, ranking at position 538.

### Performance
XP/S5 achieved a peak performance of 3.3 gigaflops (Rpeak) and a maximum performance of 2.06 gigaflops (Rmax) in 1995. These metrics were recorded in multiple years, including 1993, 1994, and 1995, demonstrating consistent high performance.

### Hardware Specifications
The system featured 66 processor cores, contributing to its computational power. Intel, a leading semiconductor company, manufactured the hardware, ensuring high-quality and reliable components.

### Operating System
XP/S5 ran on OSF/1, a Unix-based operating system developed by the Open Software Foundation. This choice of operating system ensured compatibility with existing software ecosystems and facilitated its use in scientific and industrial applications.

### Significance
XP/S5's inclusion in the TOP500 list highlights its role in the evolution of high-performance computing. Its performance metrics and hardware specifications made it a notable entry in the supercomputing landscape of the mid-1990s.