# Maru - ThinkSystem

> supercomputer from Korea built in 2021

**Wikidata**: [Q131390064](https://www.wikidata.org/wiki/Q131390064)  
**Source**: https://4ort.xyz/entity/maru-thinksystem

## Summary
Maru - ThinkSystem is a supercomputer built in South Korea and inaugurated in 2021. Manufactured by Lenovo, it utilizes over 300,000 processor cores and Linux to achieve a performance of 18.00 petaflops. It debuted on the TOP500 supercomputer list at rank 28 in November 2021 and held the 74th position as of November 2024.

## Key Facts
*   **Classification:** Supercomputer (Instance of)
*   **Manufacturer:** Lenovo, a Chinese multinational technology company.
*   **Location:** South Korea.
*   **Inception:** 2021.
*   **Operating System:** Linux.
*   **Processor:** Intel Xeon Platinum 8368Q 38C (2.6 GHz).
*   **Total Cores:** 306,432.
*   **Performance (Rmax):** 18.00 Petaflops.
*   **Peak Performance (Rpeak):** 25.50 Petaflops.
*   **Interconnect:** Infiniband HDR.
*   **TOP500 Ranking History:** Debuted at #28 (Nov 2021); ranked #74 (Nov 2024).
*   **Model Alias:** Maru (also known as Maru - ThinkSystem SD650 V2).

## FAQs
### Q: Who manufactured the Maru - ThinkSystem supercomputer?
A: The Maru - ThinkSystem was manufactured by Lenovo, a Chinese multinational technology company established in 1984.

### Q: What is the processing speed of Maru - ThinkSystem?
A: The system has a sustained performance (Rmax) of 18.00 petaflops and a theoretical peak performance (Rpeak) of 25.50 petaflops.

### Q: How has Maru - ThinkSystem's ranking changed on the TOP500 list?
A: Since its debut at rank 28 in November 2021, the system has gradually moved down the list, ranking 59th in June 2024 and 74th by November 2024.

### Q: What specific hardware components does Maru - ThinkSystem use?
A: It utilizes the ThinkSystem SD650 V2 platform equipped with Intel Xeon Platinum 8368Q 38C processors running at 2.6 GHz and Infiniband HDR interconnects.

## Why It Matters
Maru - ThinkSystem represents a significant investment in high-performance computing (HPC) infrastructure within South Korea following its establishment in 2021. As a major computational resource, it supports advanced scientific research and modeling capabilities, evidenced by its association with the Korea Meteorological Administration (KMA) website.

The system highlights the prominent role of Lenovo in the global supercomputing landscape, serving as a prime example of modern HPC architecture that combines high-density Intel Xeon processors with Infiniband HDR interconnects. While it debuted as the 28th most powerful computer in the world in late 2021, its gradual descent to the 74th position by late 2024 illustrates the rapid pace of hardware evolution in the supercomputing sector, where systems must constantly evolve to remain competitive. Despite this relative decline in ranking, its 18.00 petaflops of computing power remain a substantial asset for Korean computational needs.

## Notable For
*   **High-Performance Debut:** Entered the global TOP500 list at rank 28 in November 2021.
*   **Massive Parallelism:** Operates using 306,432 distinct processor cores.
*   **Lenovo Engineering:** Serves as a flagship example of Lenovo's ThinkSystem SD650 V2 architecture.
*   **Petaflop Scale:** Exceeds the 18 petaflop threshold for sustained performance (Rmax).

## Body

### Technical Specifications
The Maru - ThinkSystem is a high-performance computing cluster based on the Lenovo ThinkSystem SD650 V2 architecture. The system relies on Intel Xeon Platinum 8368Q 38C processors, which feature 38 cores per CPU and a clock speed of 2.6 GHz. In total, the supercomputer contains 306,432 processor cores.

The system achieves a max performance (Rmax) of 18.00 petaflops, derived from a theoretical peak (Rpeak) of 25.50 petaflops. Data transfer within the cluster is managed via Infiniband HDR technology. The entire system operates on the Linux operating system.

### Operational History
The supercomputer was built and inceptioned in 2021. According to the TOP500 project, which ranks the world's most powerful non-distributed computer systems, Maru - ThinkSystem has tracked the following performance history:

*   **November 2021:** Ranked #28 (Debut)
*   **June 2022:** Ranked #32
*   **November 2022:** Ranked #36
*   **June 2023:** Ranked #38
*   **November 2023:** Ranked #47
*   **June 2024:** Ranked #59
*   **November 2024:** Ranked #74

The system is assigned TOP500 system ID 180023.

### Administrative Details
Maru - ThinkSystem is located in South Korea and is associated with the domain `kma.go.kr`. The manufacturer, Lenovo, is headquartered in Beijing, People's Republic of China, and employs approximately 77,000 people (as of 2023).

## References

1. [Source](https://www.top500.org/system/180023/)