# XP/S15
**Wikidata**: [Q70147616](https://www.wikidata.org/wiki/Q70147616)  
**Source**: https://4ort.xyz/entity/xp-s15

## Summary
XP/S15 is a supercomputer developed by Intel, running on the OSF/1 operating system. It was a high-performance computing system with 208 processor cores, achieving peak performance of 10.4 gigaflops in 1996.

## Key Facts
- **Instance of**: Supercomputer
- **Manufacturer**: Intel
- **Operating system**: OSF/1
- **Top500 system ID**: 1894
- **Peak performance**: 10.4 gigaflops (Rpeak, 1996-11-01)
- **Maximum performance**: 6.25 gigaflops (Rmax, 1996-11-01)
- **Number of processor cores**: 208
- **Runs on**: OSF/1 and Tru64 UNIX
- **Related to**: Intel, an American semiconductor company

## FAQs
### Q: What was the peak performance of XP/S15?
A: XP/S15 achieved a peak performance of 10.4 gigaflops (Rpeak) in November 1996.

### Q: Which operating systems did XP/S15 support?
A: XP/S15 ran on OSF/1 and Tru64 UNIX.

### Q: How many processor cores did XP/S15 have?
A: XP/S15 had 208 processor cores.

### Q: Who manufactured XP/S15?
A: XP/S15 was manufactured by Intel.

### Q: What was XP/S15's Top500 system ID?
A: XP/S15's Top500 system ID was 1894.

## Why It Matters
XP/S15 was a significant supercomputer in the late 1990s, leveraging Intel's semiconductor technology to deliver high-performance computing capabilities. Running on OSF/1 and Tru64 UNIX, it supported complex scientific and engineering applications. With 208 processor cores and peak performance of 10.4 gigaflops, it contributed to advancements in computational science and industrial applications. Its inclusion in the Top500 list underscores its role in the evolution of high-performance computing systems during that era.

## Notable For
- **High-performance computing**: Achieved 10.4 gigaflops peak performance in 1996.
- **Multi-operating system support**: Ran on both OSF/1 and Tru64 UNIX.
- **Top500 recognition**: Listed with system ID 1894, indicating its status as a leading supercomputer.
- **Intel-manufactured**: Built using Intel's semiconductor technology, reflecting the company's role in high-performance computing.
- **208 processor cores**: One of the first supercomputers with this many cores, demonstrating early advancements in parallel processing.

## Body
### Overview
XP/S15 is a supercomputer developed by Intel, known for its high-performance computing capabilities. It was part of the Top500 list of supercomputers, with a system ID of 1894.

### Technical Specifications
- **Operating Systems**: OSF/1 and Tru64 UNIX
- **Processor Cores**: 208
- **Performance Metrics**:
  - **Rpeak**: 10.4 gigaflops (November 1996)
  - **Rmax**: 6.25 gigaflops (November 1996)
- **Performance History**:
  - **June 1996**: Rpeak 10.4 gigaflops, Rmax 6.25 gigaflops
  - **December 1995**: Rpeak 10.4 gigaflops, Rmax 6.25 gigaflops

### Manufacturer and Industry Context
- **Manufacturer**: Intel, an American multinational technology company.
- **Industry**: Semiconductor and electrical industries.
- **Headquarters**: Santa Clara, California, United States.

### Related Entities
- **Intel**: A major player in semiconductor technology, with a history of innovation in computing hardware.
- **OSF/1**: A variant of the Unix operating system developed by the Open Software Foundation.
- **Tru64 UNIX**: An operating system developed in 1992, known for its reliability and performance.