qpstudy 2014.04 ハードウェア設計の勘所「Windows Azure でスーパーコンピューティング！」for Microsoft MVP camp 2014 大阪会場幸智 Yukinori 黒田 Kuroda
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« Stuff The Internet Says On Scalability For June 14, 2013 | Main | Sponsored Post: Apple, Two Sigma, Cendea, RAMP, Blurocket, Incapsula, Dow Jones, Surge, Rackspace, aiCache, Aerospike, Percona, ScaleOut, New Relic, LogicMonitor, AppDynamics, ManageEngine, Site24x7 » Martin Thompson is a High Performance Computing Specialist with a real mission to teach programmers how to understand the innards o
Latency Numbers Every Programmer Should Know
latency.txt �R؋U 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
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Numbers Every Programmer Should Know By Year
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