Mechanical Sympathy

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...

Memory is stored within the cache system in units know as cache lines.  Cache lines are a power of 2 of contiguous bytes which are typically...