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increase renderer buffer size
The default buffer size is tiny (128 bytes), resulting in many calls to tcdrain during rendering. Make the buffer a more reasonable 4096 bytes.
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@ -21,7 +21,7 @@ use crate::render::terminfo::TerminfoRenderer;
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use crate::surface::Change;
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use crate::terminal::{cast, Blocking, ScreenSize, Terminal};
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const BUF_SIZE: usize = 128;
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const BUF_SIZE: usize = 4096;
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/// Helper function to duplicate a file descriptor.
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/// The duplicated descriptor will have the close-on-exec flag set.
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