(C-x means ctrl+x, M-x means alt+x)
The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:
boergsen
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| function kcc () { | |
| usage () { | |
| echo -en "Usage: $0 <context> <namespace>\n" | |
| } | |
| result () { | |
| echo -en "-> Context: \e[96m$context\e[0m\n-> Namespace: \e[92m$namespace\n\e[0m" | |
| } | |
| if [ $# -eq 0 ] ; then | |
| ## If no options, print the current context/cluster and namespace | |
| context="$(kubectl config current-context 2>/dev/null)" |
jboner
/ latency.txt
Last active
December 9, 2025 02:29
Latency Numbers Every Programmer Should Know
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| 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 |