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@dacamo76
dacamo76 / README.md
Last active September 26, 2017 21:49
Installing scikit-learn on Amazon Linux AMI on EC2

To install scikit-learn easily run the following command.

curl https://gist.githubusercontent.com/dacamo76/4780765/raw/c3779996d8f6b13caaaa48d33aa1585684c7f8e6/scikit-learn-install.sh | sh

Please look over the shell file being run to make sure no evil is done to your machine.

@jboner
jboner / latency.txt
Last active June 21, 2024 17:41
Latency Numbers Every Programmer Should Know
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