Increased CPU consumption when using TTF fonts
Thanks for filing an issue! Please answer the questions below so I can help you.
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iTerm2 version: Build 3.0.14
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OS version: 10.12.3 (16D32)
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Attach com.googlecode.iterm2.plist here (drag-drop from finder into this window) com.googlecode.iterm2.plist
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Attach a debug log, if possible. Instructions at https://iterm2.com/debuglog debuglog.txt.zip
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Are you reporting a performance issue or a hang? Please attach a sample. Instructions at https://gitlab.com/gnachman/iterm2/wikis/HowToSample Sample_of_iTerm2_top.txt.zip
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Are you reporting a crash? Please attach the crash log. Instructions at https://gitlab.com/gnachman/iterm2/wikis/crash-logs
Detailed steps to reproduce the problem:
- Change profile font to any TTF based font ( ex: Hack 14pt regular )
- Maximize the window
- Open htop/top or any other curses based app
What happened:
iTerm2 CPU consumption rises to 15~25% depending on the font size ( amount of text on the screen )
What should have happened:
iTerm2 CPU consumption level stays under 4% with similar scenario but using the Menlo font ( true type )