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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 |
途中からやる気ないので許して
これはOracle公式のJava9へのマイグレーションに関するポストの和訳です。 翻訳が間違っていたとしても、私は責任を取りませんので その旨を了解した上で、参考程度にご覧になってください。 おかしな点があれば、教えていただければ幸いですが 基本的には本家ポストを読んでください。 https://docs.oracle.com/javase/9/migrate/toc.htm
This simple Gist will explain how to settup your GPG key to work for SSH authentication (with Git) and Git commit signing on Windows 10. This may seem straightforward on Linux, but there are certain tweaks needed on Windows.
No Cygwin, no MinGW, no Git Bash or any other Linux emulated environment. This works in pure Windows 10.