# Crash1

> supercomputer

**Wikidata**: [Q132531328](https://www.wikidata.org/wiki/Q132531328)  
**Source**: https://4ort.xyz/entity/crash1

## Summary
Crash1 is a supercomputer located in Sweden, ranked 444th on the TOP500 list as of November 2024. It was manufactured by Lenovo and runs on Linux, featuring 40,448 processor cores and achieving a peak performance of 3.37 petaflops.

## Key Facts
- Crash1 is a supercomputer ranked 444th on the TOP500 list as of November 2024
- It was manufactured by Lenovo and runs on Linux operating system
- The system features 40,448 processor cores using Xeon Platinum 8358 32C 2.6GHz CPUs
- Crash1 achieved a peak performance (Rpeak) of 3.37 petaflops and a maximum LINPACK performance (Rmax) of 2.49 petaflops
- The supercomputer was installed in 2022 and is located in Sweden
- It uses Mellanox HDR Infiniband for high-speed networking
- Crash1's TOP500 system ID is 180242

## FAQs
### Q: What is Crash1's ranking on the TOP500 list?
A: Crash1 is ranked 444th on the TOP500 list as of November 2024, having improved from its previous ranking of 399th in June 2024.

### Q: What are Crash1's technical specifications?
A: Crash1 features 40,448 processor cores using Xeon Platinum 8358 32C 2.6GHz CPUs, achieves 3.37 petaflops peak performance, and uses Mellanox HDR Infiniband networking.

### Q: Who manufactured Crash1 and where is it located?
A: Crash1 was manufactured by Lenovo and is located in Sweden, where it has been operational since 2022.

## Why It Matters
Crash1 represents a significant computing resource in the European high-performance computing landscape. As a Lenovo-manufactured system, it demonstrates the company's growing presence in the supercomputing market, traditionally dominated by other manufacturers. The system's 3.37 petaflops peak performance makes it capable of handling complex scientific computations, simulations, and data analysis tasks that require massive parallel processing capabilities. Its use of Linux operating system and Mellanox HDR Infiniband networking reflects current industry standards for high-performance computing infrastructure. The system's ranking on the TOP500 list indicates it remains competitive in the global supercomputing ecosystem, providing Swedish researchers and institutions with access to substantial computational resources for advancing scientific discovery and technological innovation.

## Notable For
- Ranked among the world's top 500 supercomputers, demonstrating competitive performance
- Manufactured by Lenovo, showcasing the company's expansion into supercomputing market
- Features 40,448 processor cores, enabling massive parallel processing capabilities
- Achieves 3.37 petaflops peak performance, suitable for complex scientific computations
- Utilizes Mellanox HDR Infiniband for high-speed networking, ensuring efficient data transfer

## Body
### Technical Architecture
Crash1 is built around Lenovo's ThinkSystem SD650 V2 platform, utilizing Xeon Platinum 8358 processors with 32 cores each running at 2.6GHz. The system employs a massively parallel architecture with 40,448 processor cores, enabling it to tackle computationally intensive problems across various scientific and engineering domains.

### Performance Metrics
The supercomputer achieves a LINPACK benchmark performance of 2.49 petaflops (Rmax) and a theoretical peak performance of 3.37 petaflops (Rpeak). These metrics place it firmly within the upper echelon of global supercomputing resources, though it has experienced some ranking fluctuations, moving from 399th to 444th position between June and November 2024.

### Infrastructure and Networking
Crash1 utilizes Mellanox HDR Infiniband technology for its networking infrastructure, providing high-bandwidth, low-latency communication between compute nodes. This networking capability is crucial for maintaining performance in massively parallel computations and enabling efficient data sharing across the system's extensive processor array.

### Operational Context
Installed in 2022, Crash1 serves as a computational resource for Swedish research institutions and potentially commercial applications requiring high-performance computing capabilities. Its Linux-based operating system provides a familiar environment for researchers and developers working in scientific computing, data analysis, and simulation fields.

## References

1. [TOP500](https://www.top500.org/system/180242/)