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Cheetah speed

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Kovid Goyal
2024-02-29 10:16:08 +05:30
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docs/changelog.rst
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@@ -9,17 +9,18 @@ To update |kitty|, :doc:`follow the instructions <binary>`.
Recent major new features
---------------------------
Even more speed
Cheetah speed 🐆
~~~~~~~~~~~~~~~~~~~~~~
kitty now parses data it receives in parallel :iss:`using SIMD vector CPU
instructions <7005>` for a 2x speedup in benchmarks and a 10%-50% real world speedup
depending on workload. There is a new benchmarking kitten ``kitten
__benchmark__`` that can be used to measure terminal throughput. There is also
:ref:`a table <throughput>` showing kitty is much faster than other terminal
emulators based on the benchmark kitten. While kitty was already so fast that
its performance was never a bottleneck, this improvement makes it even faster
and more importantly reduces the energy consumption to do the same tasks.
kitty has grown up and become a cheetah. It now parses data it receives in
parallel :iss:`using SIMD vector CPU instructions <7005>` for a 2x speedup in
benchmarks and a 10%-50% real world speedup depending on workload. There is a
new benchmarking kitten ``kitten __benchmark__`` that can be used to measure
terminal throughput. There is also :ref:`a table <throughput>` showing kitty is
much faster than other terminal emulators based on the benchmark kitten. While
kitty was already so fast that its performance was never a bottleneck, this
improvement makes it even faster and more importantly reduces the energy
consumption to do the same tasks.
File transfer over the tty device
@@ -49,7 +50,7 @@ Detailed list of changes
0.33.0 [future]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- :ref:`Even more speed <throughput>` with a redesigned render loop and a 2x faster escape code
- :ref:`Cheetah speed <throughput>` with a redesigned render loop and a 2x faster escape code
parser that uses SIMD CPU vector instruction to parse data in parallel
(:iss:`7005`)
@@ -75,6 +76,9 @@ Detailed list of changes
- When :ac:`clearing terminal <clear_terminal>` add a new type ``to_cursor_scroll`` which can be
used to clear to prompt while moving cleared lines into the scrollback
- Fix a performance bottleneck when dealing with thousands of small images
(:iss:`7080`)
0.32.2 [2024-02-12]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~