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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 |
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#how to specify an ssh key to use when cloning a repo in Mac | |
ssh-agent bash -c 'ssh-add /Users/UR_USERNAME/.ssh/UR_PRIVATE_KEY; git clone git@DAS_GIT_URL' | |
Treat git log as a book, exec git next
or git prev
to checkout the next or the previous commit.
Please check hutusi/git-paging for updates.
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/** | |
* Generate Comments JSON Data | |
*/ | |
const https = require('https'); | |
const fs = require('fs'); | |
const github = { | |
client_id: '<your-client-id>', | |
client_secret: '<your-client-secret>', | |
repo: '<your-github-repo>', |
This was a response to a Hacker News comment asking me what I've been up to since 2010. I'm posting it here since HN rejects it with "that comment is too long." I suppose that's fair, since this ended up being something of an autobiography.
--
What happened after 2010?