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Felix Weiglhofer fweig

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@finalfantasia
finalfantasia / fixing_text_anti_aliasing_in_fedora.md
Last active April 20, 2025 19:39
Fixing Text Anti-aliasing in Fedora
  1. Add the RPMFusion repositories (both free and non-free) to the YUM repository directory (/etc/yum.repos.d/):
sudo dnf localinstall --nogpgcheck http://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm http://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm
  1. Install the patched version of FreeType with subpixel rendering enabled:
sudo dnf install -y freetype-freeworld
@jboner
jboner / latency.txt
Last active April 19, 2025 21:29
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns 14x L1 cache
Mutex lock/unlock 25 ns
Main memory reference 100 ns 20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy 3,000 ns 3 us
Send 1K bytes over 1 Gbps network 10,000 ns 10 us
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD