# XP/S-MP 150
**Wikidata**: [Q70083395](https://www.wikidata.org/wiki/Q70083395)  
**Source**: https://4ort.xyz/entity/xp-s-mp-150

## Summary
The XP/S-MP 150 is a supercomputer manufactured by Intel, utilizing the OSF/1 operating system. It achieved peak performance measures between 127.1 and 154 gigaflops during the late 1990s.

## Key Facts
- **Manufacturer:** Intel
- **Operating System:** OSF/1
- **Instance Of:** Supercomputer
- **Top500 System ID:** 1602
- **Performance (Rmax):** Ranged from 127.1 gigaflops (measured June 1997 to November 1999)
- **Performance (Rpeak):** Ranged from 154 gigaflops (measured June 1997 to November 1999)
- **Related Operating System:** Tru64 UNIX (class)

## FAQs
### Q: What company manufactured the XP/S-MP 150?
A: The XP/S-MP 150 was manufactured by Intel, the American multinational technology company.

### Q: What operating system did the XP/S-MP 150 use?
A: The XP/S-MP 150 ran on OSF/1, a variant of the Unix operating system developed by the Open Software Foundation. The Tru64 UNIX operating system class is also related to it.

### Q: How powerful was the XP/S-MP 150?
A: The XP/S-MP 150 achieved Rmax performance measures consistently at 127.1 gigaflops and Rpeak performance measures at 154 gigaflops across multiple listings from June 1997 to November 1999.

### Q: When was the XP/S-MP 150 significant?
A: The XP/S-MP 150 was significant during the late 1990s, appearing on the Top500 list with system ID 1602 between June 1997 and November 1999.

## Why It Matters
The XP/S-MP 150 represents an important benchmark in late 1990s supercomputing, demonstrating Intel's involvement in high-performance computing beyond its core CPU business. Its consistent placement on the Top500 list over multiple years highlights its capability for demanding scientific and technical calculations during that period. The system exemplifies the era's supercomputing architecture and performance standards, providing a data point for understanding the evolution of HPC before the dominance of massively parallel architectures and Linux clusters. Its performance figures (127.1-154 GFLOPS) offer a concrete measure of computational power available at the time.

## Notable For
- Manufactured by Intel, placing it among systems from major tech firms during the Top500 era it participated in.
- Utilized OSF/1, a specific Unix variant developed by the Open Software Foundation, as its primary operating system.
- Achieved a stable high Rmax performance of 127.1 gigaflops across multiple Top500 rankings from 1997 to 1999.
- Maintained a consistent peak Rperformance rating of 154 gigaflops over the same period, indicating reliable computational power delivery.

## Body
### Specifications
- **Entity Type:** Supercomputer
- **Manufacturer:** Intel
- **Operating System:** OSF/1
- **Top500 System ID:** 1602

### Performance History
- Consistent **Rmax** (sustained performance) measured at **127.1 gigaflops** across multiple Top500 listings: November 1997, June 1998, November 1998, June 1999, November 1999.
- Consistent **Rpeak** (theoretical maximum performance) measured at **154 gigaflops** across the same Top500 listings: November 1997, June 1998, November 1998, June 1999, November 1999.

### Manufacturer Context
- Manufactured by **Intel**, the American multinational technology company headquartered in Santa Clara, California, with significant operations in the semiconductor industry.