The method of reducing context switching absence lock concurrent programming, CAS algorithm, with minimal use of threads and coroutine.
- Lock-free concurrent programming. Multi-threaded lock contention can cause a context switch, the multi-threaded processing of data, some of the approach can be used to avoid the use of a lock, such as the ID data in accordance with Hash algorithm modulo segment, different threads processing data in different segments.
- CAS algorithm. Java packages using the Atomic CAS algorithm to update data without locking.
- With a minimum thread. Avoid creating unnecessary threads, such as small task, but creating a lot of threads to handle, this will cause a large number of threads are in a wait state.
- Coroutine. Scheduling multi-task to achieve in a single-threaded in and maintain switching between multiple tasks in a single thread.