Tianhe-2, also known as MilkyWay-2, is a supercomputer developed by the National University of Defense Technology in China. Launched in 2013, it was designed for high-performance computing tasks, including scientific simulations and complex data analysis. At its peak, it achieved a performance of over 33 petaflops, making it one of the fastest supercomputers in the world at the time. The architecture of Tianhe-2 combines thousands of processors and advanced interconnect technology, allowing it to perform multiple calculations simultaneously. It has been used in various fields, such as climate modeling, aerospace research, and medical research, showcasing the capabilities of modern computing technology.