Example of a multi-layered visualization.
Eugene Wu
sirrice
sirrice
/ get_me_utf8_unicode.py
Created Mar 22, 2013
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.
View get_me_utf8_unicode.py
| 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 Jun 7, 2012
— forked from jboner/latency.txt
Latency numbers every programmer should know
View latency.txt
| 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 |