Coggle requires JavaScript to display documents.
a relationship must exist between user threads and kernel threads
Examples - Windows - Linux
- Example: Windows with the ThreadFiber package
Examples: - Solaris Green Threads - GNU Portable Threads
Two primary ways of implementing - Library entirely in user space - Kernel-level library supported by the OS
- Java threads are managed by the JVM - Java threads may be created by: 1.Extending Thread class 2.Implementing the Runnable interface
- May be provided either as user-level or kernel-level - Common in UNIX operating systems
1.Usually slightly faster to service a request with an existing thread than create a new thread 2.Allows the number of threads in the application(s) to be bound to the size of the pool 3.Separating task to be performed from mechanics of creating task allows different strategies for running task
- support for threads may be provided either at the user level, for user threads, or by the kernel, for kernel thread
1.Thread Pools 2.Fork-Join 3.OpenMP 4.Grand Central Dispatch