I'd like us to focus on the actual problem rather than "look at these thousands of frames, omg WT so slow". When conpty is slow, it will cause more frames to be rendered. If conpty is fast, less frames get rendered because everything is done already.
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Did you happen to go look at the glyph code they have? This comment says they already use a texture atlas: https://github.com/microsoft/terminal/issues/10362#issuecomment-862852850 … -
Oh nvm, just saw the culprit there is the thousands of draw calls which is definitely the reason for the slowdown. That's actually the difference between xterm.js' canvas and webgl renderer which I built a few years ago so I know the problem well
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Just want to say, the ConPTY slowness has been largely improved in the last several years. But sadly that’s only available in the latest Windows version (insider preview). The Windows Terminal slowness is a thing, and people are working on it.
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Good to hear, but I'll believe it when I see it
@code's terminal unfortunately slows to a crawl only on Windows - Show replies
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