Mechanical Sympathy

When trying to build a highly scalable system the single biggest limitation on scalability is having multiple writers contend for any item o...

Sequencing events between threads is a common operation for many multi-threaded algorithms.  These sequences could be used for assigning id...

I’m often asked, “What is the best way to learn about building high-performance systems”? There are many perfectly valid answers to this qu...

Significantly improved performance and a cleaner API are the key takeaways for the Disruptor 2.0 concurrent programming framework for Java....

Within our industry we use a huge range of terminology.  Unfortunately we don’t all agree on what individual terms actually mean.  I so ofte...

In my previous post on False Sharing I suggested it can be avoided by padding the cache line with unused long fields.  It seems Java 7 got...

Message rates between threads are fundamentally determined by the latency of memory exchange between CPU cores.   The minimum unit of transf...