# XP/S7
**Wikidata**: [Q69981451](https://www.wikidata.org/wiki/Q69981451)  
**Source**: https://4ort.xyz/entity/xp-s7

## Summary
XP/S7 is a supercomputer manufactured by Intel with 103 processor cores that achieved performance benchmarks of 3.21 gigaflops (Rmax) and 5.15 gigaflops (Rpeak) in late 1994 and 1995. It ran the Unix-based operating systems OSF/1 and Tru64 UNIX.

## Key Facts
- **Instance of:** Supercomputer
- **Manufacturer:** Intel
- **Operating System:** OSF/1 (a variant of Unix developed by the Open Software Foundation)
- **Secondary Operating System:** Tru64 UNIX (operating system)
- **Processor Cores:** 103
- **Top500 System ID:** 1218
- **Performance (Rmax):** 3.21 gigaflops (measured November 1994, June 1995, December 1995)
- **Performance (Rpeak):** 5.15 gigaflops (measured November 1994, June 1995, December 1995)

## FAQs
### Q: What type of computer is XP/S7?
A: XP/S7 is a supercomputer, a high-performance computing system designed for complex scientific and technical calculations.

### Q: Who manufactured the XP/S7 supercomputer?
A: The XP/S7 supercomputer was manufactured by Intel, the American multinational technology company.

### Q: What operating systems did the XP/S7 run?
A: The XP/S7 ran two Unix-based operating systems: OSF/1 and Tru64 UNIX.

## Why It Matters
The XP/S7 represents Intel's entry into the supercomputing market during the mid-1990s, showcasing the company's capability to build high-performance computing systems alongside its dominant microprocessor business. Its performance figures, though modest by today's standards, placed it among the world's most powerful computers at the time of its rankings. Running both OSF/1 and Tru64 UNIX highlights its use of contemporary Unix variants for scientific and engineering workloads. As an Intel-manufactured supercomputer, it contributes to understanding the evolution of high-performance computing architectures and the role of major semiconductor companies beyond CPUs.

## Notable For
- Manufactured by Intel, a company primarily known for microprocessors, rather than traditional supercomputer vendors.
- Utilized 103 processor cores, reflecting the parallel computing architecture of its era.
- Achieved a peak performance of 5.15 gigaflops, placing it competitively on the Top500 list in the mid-1990s.
- Deployed with both OSF/1 and Tru64 UNIX operating systems, indicating compatibility with contemporary Unix-based HPC environments.

## Body
### Manufacturer
- XP/S7 was manufactured by Intel Corporation.

### Operating System
- The primary operating system for XP/S7 was OSF/1, a variant of the Unix operating system developed by the Open Software Foundation.
- It also ran Tru64 UNIX, an operating system that originated in 1992.

### Technical Specifications
- Instance of: Supercomputer
- Number of processor cores: 103
- Top500 system ID: 1218

### Performance
- Rmax performance (sustained): 3.21 gigaflops (achieved November 1994, June 1995, December 1995)
- Rpeak performance (theoretical maximum): 5.15 gigaflops (achieved November 1994, June 1995, December 1995)
- Performance was measured using the LINPACK benchmark on specific dates in late 1994 and 1995.