On October 9, the launching ceremony of the Tianhe new generation supercomputer system of the National Supercomputing Changsha Center was held at Hunan University.
Computation is the third research method after theory and experiment. Through technical means such as computer modeling and simulation, scientific experiments and explorations that are difficult to complete under natural conditions can be completed in the virtual world. As an important means to solve a series of major challenges in the fields of national economic construction, social development, scientific progress, national security and national defense construction, supercomputing has now become a strategic commanding height for countries all over the world, especially major powers.
Supercomputers are usually composed of hundreds of thousands or even more processors (machines), which can calculate large and complex tasks that ordinary PCs and servers cannot complete. If the calculation speed of an ordinary computer is compared to the walking speed of an adult, then the supercomputer has reached the speed of a rocket. Under the premise of such computing speed, people can predict and explain natural phenomena that could not be tested before through digital simulation.
What can supercomputers do?
Professor Li Renfa said that the early applications of supercomputers were mainly focused on military and aerospace science and technology. Many massive mathematical calculations and solutions to ultra-complex equations in projects such as missile launches, satellite launch, and atomic bomb explosions were all done by supercomputers.
Obviously, there are a series of complex and large-scale problems in the fields of daily economy, science and technology, national defense, etc., which require computers to solve more and more sophisticated physical models and corresponding mathematical models. The most complex and largest class is called "challenging problems" and must rely on the fastest "supercomputers" of the time. Listed below are the top ten uses for common supercomputers.
1. Climate prediction : use supercomputers to predict climate change, thereby mitigating the damage caused by climate change to human beings.
2. Transportation industry : Supercomputers can be used to understand and improve the aerodynamics, fuel consumption, structural design, crashworthiness of vehicles such as cars, airplanes or ships, and help improve passenger comfort, reduce noise, etc., all of which Both have potential economic and security benefits.
3. Bioinformatics and Computational Biology : Biology has shown enormous computational demands, and supercomputers will help find revolutionary ways to treat diseases.
4. Societal health and safety : eg, pollution, disaster planning, and terrorism against local and national infrastructure.
5. Earthquakes : The simulation of earthquakes can help humans explore earthquake prediction methods, thereby mitigating the risks associated with earthquakes.
6. Geophysical exploration and earth science : such as oil exploration, which has potential and huge economic benefits.
7. Astrophysics : Simulate the course of time and accelerate the process of this simulation, so as to model and theoretically test the evolution of celestial bodies.
8. Materials Science and Computational Nanotechnology : Simulations of matter and energy are computationally intensive.
9. Human/organizational systems research : such as simulating the behavior of a large population.
10. Simulated nuclear test : With the help of the powerful and fast computing power of the supercomputer, the subcritical nuclear test carried out in the laboratory has the same effect as the real nuclear test explosion.
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