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@gereon
gereon / gist:3150445
Created July 20, 2012 12:20
Mac OSX Spotlight Enhancement

Mac OSX Spotlight Enhancement

Add this to Info.plist in /System/Library/Spotlight/RichText.mdimporter/Contents/ and Spotlight will search for source code files.

<string>public.c-header</string>
<string>public.c-plus-plus-header</string>
<string>public.c-source</string>
<string>public.objective-c-source</string>
public.c-plus-plus-source
@jboner
jboner / latency.txt
Last active July 22, 2026 01:06
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