# Guru - ThinkSystem

> supercomputer from Korea built in 2021

**Wikidata**: [Q131390031](https://www.wikidata.org/wiki/Q131390031)  
**Source**: https://4ort.xyz/entity/guru-thinksystem

## Summary
Guru - ThinkSystem is a supercomputer built in South Korea in 2021 and operated by the Korea Meteorological Administration. It runs on Linux and is manufactured by Lenovo using Xeon Platinum 8368Q 38C processors with Infiniband HDR interconnect. The system achieved a peak performance of 25.50 petaflops and a measured performance of 18.00 petaflops.

## Key Facts
- Built in 2021 and operated by the Korea Meteorological Administration
- Manufactured by Lenovo using Xeon Platinum 8368Q 38C processors (38 cores, 2.6GHz)
- Features Infiniband HDR interconnect with 306,432 processor cores
- Achieved Rmax of 18.00 petaflops and Rpeak of 25.50 petaflops
- Ranked #73 on the November 2024 TOP500 list (previously ranked #24 in June 2021)
- Runs on Linux operating system
- Top500 system ID: 179912

## FAQs
### Q: What is Guru - ThinkSystem used for?
A: Guru - ThinkSystem is operated by the Korea Meteorological Administration for weather forecasting and meteorological research, leveraging its high-performance computing capabilities to process complex atmospheric models and simulations.

### Q: Who built Guru - ThinkSystem?
A: Guru - ThinkSystem was manufactured by Lenovo using their ThinkSystem SD650 V2 platform with Xeon Platinum 8368Q 38C processors and Infiniband HDR interconnect technology.

### Q: How powerful is Guru - ThinkSystem?
A: Guru - ThinkSystem delivers 18.00 petaflops of measured performance (Rmax) and 25.50 petaflops of peak performance (Rpeak), ranking it among the top 100 supercomputers globally as of November 2024.

## Why It Matters
Guru - ThinkSystem represents a significant advancement in South Korea's supercomputing capabilities, particularly for meteorological applications. As a system operated by the Korea Meteorological Administration, it enables more accurate and timely weather forecasting, which is crucial for public safety, disaster preparedness, and economic planning. The system's 25.50 petaflops peak performance allows for running complex atmospheric models at higher resolutions and with greater physical processes included, leading to improved prediction accuracy. Its use of cutting-edge technology like Infiniband HDR interconnect and Xeon Platinum processors demonstrates South Korea's commitment to maintaining competitive supercomputing infrastructure. The system's consistent presence on the TOP500 list since 2021 also highlights its sustained relevance in the global supercomputing landscape, supporting critical national infrastructure for weather prediction and climate research.

## Notable For
- One of the most powerful supercomputers in South Korea dedicated to meteorological applications
- Consistently ranked in the TOP500 list since its inception in 2021, peaking at #24 in June 2021
- Utilizes advanced Infiniband HDR interconnect technology for high-speed data transfer
- Employs Lenovo's ThinkSystem SD650 V2 platform with 306,432 processor cores
- Achieves 18.00 petaflops of measured performance for real-world applications

## Body
### Technical Specifications
Guru - ThinkSystem is built on Lenovo's ThinkSystem SD650 V2 platform, featuring 306,432 processor cores across Xeon Platinum 8368Q 38C processors running at 2.6GHz. The system utilizes Infiniband HDR interconnect technology for high-speed communication between nodes, enabling efficient parallel processing for complex computational tasks.

### Performance Metrics
The supercomputer achieves an Rmax (measured performance) of 18.00 petaflops and an Rpeak (theoretical peak performance) of 25.50 petaflops. These performance metrics place it among the top 100 supercomputers globally, with its ranking fluctuating between #24 and #73 on the TOP500 list since its installation in 2021.

### Operational Details
Operated by the Korea Meteorological Administration, Guru - ThinkSystem serves critical functions in weather forecasting and meteorological research. The system runs on Linux operating system and is accessible through the Korea Meteorological Administration's website at https://www.kma.go.kr/ (in Korean).

### System Architecture
The supercomputer's architecture includes:
- 38 cores per Xeon Platinum 8368Q processor
- Infiniband HDR interconnect for high-bandwidth, low-latency communication
- Lenovo-manufactured hardware components
- Linux-based operating system

### Historical Context
Since its inception in 2021, Guru - ThinkSystem has maintained a presence on the TOP500 list, with rankings including #24 (June 2021), #27 (November 2021), #31 (June 2022), #35 (November 2022), #37 (June 2023), #46 (November 2023), #58 (June 2024), and #73 (November 2024). This consistent presence demonstrates the system's sustained relevance and performance in the competitive supercomputing landscape.

## References

1. [Source](https://www.top500.org/system/179912/)