Concurrent Programming Models

Distinguishing Parallel Programming and Concurrent Programming

Parallel Programming 

Multiple-processor or multi-core programming

Concurrent Programming 

Multi-threaded programming

Concurrent Programming Models

• Threads and lock-based Synchronization
• Java
• Functional programming model 
• Pure Functions with no side-effects + Immutable Data Structures
• Actor based message passing
• Scala
• Erlang
• Clojure
• Channel based message passing
• Go
• Unix processes-pipes
• STM (Software Transactional Memory) 
• Clojure
• Non-blocking I/O or asynchronous I/O
• Callback Functions
• Node.JS: Event driven programming and Callback Functions.