-
Install the React Developer Tools Chrome Extension.
-
Go to the egghead website, i.e. Getting Started with Redux
-
Click
View -> Developer -> Javascript Console
, then theReact
tab, then the<NextUpLessonList ...>
tag. -
Click back to the
Console
tab, then run:
I have moved this over to the Tech Interview Cheat Sheet Repo and has been expanded and even has code challenges you can run and practice against!
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If you are interested, see also my previous setup.
I use a Mid 2013 11-inch MacBook Air at home.
I use Logitech Performance MX mice with all three of them, though for the last one is usually just the trackpad. I have recently started using a Logitech MX Master and decided to only buy that from now on.
L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns
Compress 1K bytes with Zippy ............. 3,000 ns = 3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns = 20 µs
SSD random read ........................ 150,000 ns = 150 µs
Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs
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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 |