A group of users were trying to implement a simple, terminal-based video game and found the performance under Windows Terminal to be entirely unsuitable for such a task. The performance issue could be replicated by repeatedly drawing a “rainbow” and measuring how many frames per second (FPS) we can achieve. The one below has 20 distinct colors and could be drawn at around 30 FPS on my Surface Book with an Intel i7-6700HQ CPU. However, if we draw the same rainbow with 21 or more distinct colors it would drop down to less than 10 FPS. This drop is consistent and doesn’t get worse even with thousands of distinct colors.
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Case Study: How many colors are too many colors for Windows Terminal?
A group of users were trying to implement a simple, terminal-based video game and found the performance under Windows Terminal to be entirely unsuitable for such a task. The performance issue could be replicated by repeatedly drawing a “rainbow” and measuring how many frames per second (FPS) we...
devblogs.microsoft.com
