# XP/S10
**Wikidata**: [Q69741176](https://www.wikidata.org/wiki/Q69741176)  
**Source**: https://4ort.xyz/entity/xp-s10-q69741176

## Summary
The XP/S10 is a supercomputer manufactured by Intel. It operates on the OSF/1 operating system and utilizes a system architecture of 140 processor cores. During its operational peak in the mid-1990s, it achieved a sustained performance (Rmax) of 4.33 gigaflops.

## Key Facts
- **Classification:** Supercomputer
- **Manufacturer:** Intel
- **Operating System:** OSF/1 (a variant of Unix developed by the Open Software Foundation)
- **Processor Cores:** 140
- **Performance (Rmax):** 4.33 Gigaflops
- **Performance (Rpeak):** 7.00 Gigaflops
- **Top500 System ID:** 625
- **Active Period:** Performance metrics recorded between June 1994 and June 1996

## FAQs
### Q: What kind of operating system did the XP/S10 use?
A: The XP/S10 ran on OSF/1, a variant of the Unix operating system developed by the Open Software Foundation. This OS is related to Tru64 UNIX.

### Q: What was the processing speed of the XP/S10?
A: The system had a peak performance (Rpeak) of 7 gigaflops and a max sustained performance (Rmax) of 4.33 gigaflops.

### Q: Who built the XP/S10?
A: The XP/S10 was manufactured by Intel, an American multinational technology company and major player in the semiconductor industry.

## Why It Matters
The XP/S10 serves as a historical marker in the evolution of high-performance computing, representing Intel's direct involvement in supercomputer manufacturing during the 1990s. While its performance figures of 4.33 gigaflops may seem modest by modern standards, the system was a significant contender in the Top500 rankings of its era, appearing on lists spanning from June 1994 to June 1996. Its architecture, comprising 140 processor cores, exemplifies the parallel processing approaches used to achieve high-speed computation before the advent of modern multi-core consumer processors. Additionally, its reliance on OSF/1 highlights the specific enterprise Unix environments required for scientific and industrial computing at the time.

## Notable For
- **Intel Manufacturing:** It is a distinct example of a supercomputer system produced directly by Intel.
- **Consistent Performance:** The system maintained a consistent Rmax of 4.33 gigaflops across four separate Top500 reporting periods (June 1994, November 1994, June 1995, and December 1995).
- **Specific Architecture:** The use of exactly 140 processor cores defines its specific parallel processing configuration.
- **OSF/1 Implementation:** It utilized OSF/1, an operating system significant to the history of open systems software.

## Body
### System Specifications
The XP/S10 is classified as a supercomputer designed for high-performance tasks. It is built around a parallel architecture consisting of **140 processor cores**. The system was manufactured by **Intel**, a prominent entity in the semiconductor and electrical industries.

### Performance Metrics
Throughout its documented history in the TOP500 project (System ID 625), the XP/S10 displayed the following performance characteristics:
- **Rmax (Max Sustained Performance):** 4.33 Gigaflops
- **Rpeak (Theoretical Peak Performance):** 7 Gigaflops

These metrics were recorded consistently across multiple reporting dates:
- June 1, 1994
- November 1, 1994
- June 1, 1995
- December 1, 1995
- June 1, 1996

### Software Environment
The XP/S10 operated using **OSF/1**. This operating system is a variant of Unix created by the Open Software Foundation. In broader contexts, OSF/1 is historically linked to the **Tru64 UNIX** operating system class.