On December 19th, Beijing time, researchers from the Korean Academy of Advanced Sciences used the "Tachyon 2" supercomputer to perform the largest cosmic simulation to date. The simulation shared 157,392 GB of hard disk space and 26,232 processing cores for 20 days. The computing speed of "Tachyon No. 2" ranks 26th among all supercomputers.
Through Horizon Run 3 simulation, researchers can understand the state of the early universe 12 billion years ago
"Tachyon II" supercomputer took 20 days to simulate the evolution of the universe from birth to the present
The simulation, called "Horizon Run 3", analyzed about 374 billion particles, covering an area equivalent to about two-thirds of the observable universe. The purpose of this research is to simulate the birth and evolution of the universe and understand how the cosmic components such as the galaxy cluster and super galaxy cluster we have observed are coming to an end. Through simulation, astronomers can more accurately predict how the universe will change over time.
In addition, they have studied in detail a series of very old and distant structures that cannot be observed with telescopes and phenomena that exist only in theory, such as baryon acoustic oscillations. Baryon acoustic oscillations are huge frozen dark energy clusters left after the birth of the universe. Astronomer Dr. Heather Cooper believes that this simulation is of great significance. In an interview with the British media, she said: "This is an ambitious and incredible study that takes us to the past and future of the universe and can help us understand the mysterious dark matter and the driving force that make up a large proportion of the universe. The unknown dark energy of the universe. "
With the help of supercomputers such as Tachyon II, astronomers are deepening their understanding of the universe at an unprecedented speed. In 1970, Jim Peebles conducted a galaxy simulation at Princeton University, analyzing only 300 particles, and the 2005 millennial simulation analyzed 10 billion particles. According to KFC, a physics blog at the Massachusetts Institute of Technology, the scale of Horizon Run 3 simulation is 8,800 times that of 2005.
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