I hereby claim:
- I am sirrice on github.
- I am ewuuu (https://keybase.io/ewuuu) on keybase.
- I have a public key ASD_7llmbWJ1RF-VfGED7m_q1x-rgAtRaY9yfpIMzY19Rgo
To claim this, I am signing this object:
Eugene Wu sirrice
sirrice
/ keybase.md
Created
June 20, 2018 20:28
Example of a multi-layered visualization.
sirrice
/ get_me_utf8_unicode.py
Created
March 22, 2013 22:23
For those times when you have no idea what type of string you received are, and what encoding scheme it's encoded in. Just turn the damn thing into utf-8 unicode.
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| def get_me_unicode(v): | |
| if isinstance(v, unicode): | |
| s = v.encode('utf-8', errors='ignore') | |
| elif isinstance(v, basestring): | |
| s = unicode(v, 'utf-8', errors='ignore').encode('utf-8', errors='ignore') |
sirrice
/ latency.txt
Created
June 7, 2012 05:09
— forked from jboner/latency.txt
Latency numbers every programmer should know
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| 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 | |
| Send 1K bytes over 1 Gbps network 10,000 ns 0.01 ms | |
| Read 4K randomly from SSD 150,000 ns 0.15 ms | |
| Read 1 MB sequentially from memory 250,000 ns 0.25 ms | |
| Round trip within same datacenter 500,000 ns 0.5 ms |