I asked ChatGPT why's exactly does it do
"The "Hunden benchmark" is a performance test specifically designed for the popular first-person shooter game, Counter-Strike: Global Offensive (CSGO). It is named after the professional CSGO player, Nicolai "Hunden" Petersen, who is known for his attention to detail and dedication to optimizing his gameplay.
The benchmark involves playing a pre-recorded demo of a specific game scenario that is carefully crafted to test various aspects of a player's performance. The scenario involves navigating through a series of obstacles, killing a set number of enemies, and completing various objectives within a limited time frame.
The benchmark is used to measure a player's FPS (frames per second) and overall performance in CSGO. It is particularly useful for identifying performance bottlenecks and determining the optimal settings for graphics and other game parameters. The benchmark is also used by professional players and teams to fine-tune their gameplay and gain a competitive edge.
Overall, the Hunden benchmark is a valuable tool for CSGO players and enthusiasts who want to optimize their gameplay and achieve the highest levels of performance in this popular esports game."