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This article was created for Linux users to share tips and tricks with each other.
Use tcmalloc/jemalloc instead of Glibc malloc
Glibc's malloc is not as performant or scalable as tcmalloc, or even jemalloc. You can expect some small to massive performance gains1, depending on your workload, by forcing software to use your memory allocator of choice.
To do this, use your preferred editor to create:
... where * is either jemalloc, or tcmalloc.
Disable mouse acceleration in X
In order to disable mouse acceleration use your text editor of choice to create:
Section "InputClass" Identifier "My Mouse" Option "AccelerationNumerator" "1" Option "AccelerationDenominator" "1" Option "AccelerationThreshold" "0" EndSection
Your config file will take effect the next time you start X.