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Add more clarification about kitty's performance goals

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Kovid Goyal 2018-06-15 13:51:49 +05:30
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docs/performance.rst
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@ -43,3 +43,17 @@ konsole 29 - 31%
As you can see, |kitty| uses much less CPU than all terminals, except xterm, but
its scrolling "smoothness" is much better than that of xterm (at least to my,
admittedly biased, eyes).
.. _perf-cat:
.. note::
Some people have asked why kitty does not perform better than terminal XXX in
the test of sinking large amounts of data, such as catting a large text
file. The answer is because this is not a goal for kitty. kitty
deliberately throttles input parsing and output rendering to minimize
resource usage while still being able to sink output faster than any real
world program can produce it. Reducing CPU usage, and hence battery drain
while achieving instant response times and smooth scrolling to a human eye
is a far more important goal.