# XP/S-MP 41
**Wikidata**: [Q70085104](https://www.wikidata.org/wiki/Q70085104)  
**Source**: https://4ort.xyz/entity/xp-s-mp-41

## Summary
The XP/S-MP 41 is a supercomputer manufactured by Intel. It utilizes 816 processor cores and operates on the OSF/1 operating system, a variant of Unix. The system recorded a sustained performance (Rmax) of 33.7 gigaflops and a peak performance (Rpeak) of 40.8 gigaflops during benchmark periods between 1997 and 1999.

## Key Facts
- **Classification**: Supercomputer
- **Manufacturer**: Intel (American multinational technology company)
- **Operating System**: OSF/1 (variant of the Unix operating system developed by the Open Software Foundation)
- **Processor Cores**: 816
- **TOP500 System ID**: 1604
- **Performance (Rmax)**: 33.7 Gigaflops (recorded in November 1997, June 1998, November 1998, June 1999, and November 1999)
- **Performance (Rpeak)**: 40.8 Gigaflops (recorded in November 1997, June 1998, November 1998, June 1999, and November 1999)

## FAQs
### Q: Who manufactured the XP/S-MP 41?
A: The XP/S-MP 41 was manufactured by Intel, an American multinational technology company known for its role in the semiconductor industry.

### Q: What operating system does the XP/S-MP 41 use?
A: The supercomputer runs on OSF/1, which is a variant of the Unix operating system developed by the Open Software Foundation.

### Q: What was the processing power of the XP/S-MP 41?
A: The system had a peak performance (Rpeak) of 40.8 gigaflops and a sustained performance (Rmax) of 33.7 gigaflops, achieved using 816 processor cores.

## Why It Matters
The XP/S-MP 41 represents a specific era of high-performance computing where Intel acted as a direct manufacturer of large-scale supercomputing systems. With 816 processor cores, it exemplifies the parallel processing architectures used in the late 1990s to achieve gigaflop-level performance. Its operation on OSF/1 highlights the historical reliance on specialized Unix variants for scientific and computational workloads before the widespread dominance of Linux in the TOP500. The system's tracking via a TOP500 System ID (1604) confirms its place in the global ranking of supercomputers, serving as a benchmark for technological capability during its operational years (1997–1999).

## Notable For
- **High Core Count**: Utilizing 816 processor cores was a significant configuration for computational tasks during the late 1990s.
- **Intel Manufacturing**: It stands as an example of Intel's direct involvement in building supercomputer hardware, distinct from their common role as a component supplier.
- **Consistent Performance**: The system maintained a steady Rmax of 33.7 gigaflops across multiple ranking periods from November 1997 to November 1999.

## Body

### Hardware Specifications
The XP/S-MP 41 is classified as a supercomputer. The system is built around a substantial parallel architecture, utilizing **816 processor cores**. This hardware configuration was designed to handle complex computational workloads, placing it within the high-performance sector of computing hardware available in the late 1990s.

### Performance Metrics
The computer performance of the XP/S-MP 41 was measured in gigaflops across several points in time, specifically in November and June of the years 1997, 1998, and 1999.
*   **Rmax (Sustained Performance)**: The system consistently achieved an Rmax of **33.7 gigaflops**.
*   **Rpeak (Peak Performance)**: The theoretical maximum performance (Rpeak) was recorded at **40.8 gigaflops**.
These metrics were submitted and recorded under **TOP500 System ID 1604**.

### Software Environment
The XP/S-MP 41 operates using **OSF/1**.
*   **Nature of OS**: OSF/1 is a variant of the Unix operating system.
*   **Developer**: It was developed by the Open Software Foundation.
*   **Related Technologies**: In broader contexts, OSF/1 is historically related to Tru64 UNIX (an operating system inceptioned in 1992 in the United States), though the XP/S-MP 41 specifically utilizes the OSF/1 variant.

### Manufacturer Profile
The entity responsible for the XP/S-MP 41 is **Intel**.
*   **Organization Type**: American multinational technology company.
*   **Industry**: Semiconductor industry and electrical industry.
*   **Headquarters**: Santa Clara, California, United States.