Latency numbers every programmer should know

latency.markdown Latency numbers every programmer should know 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

[lilpacy]

基本的なレイテンシの表

[mrkn]

便利な表だ

[murasuke]

CPUのクロックを心拍に換算すると、ディスクシークは４ヵ月弱に相当する

[vanbraam]

CAってどこ?Canada?California?