Differences between threads and processes

1. The thread isProgramDifferent execution paths; Definitions

2. A process is a static concept. A process actually runs a thread.

Differences:

1. Each process is independent.CodeAnd Data Space (process context), memory space, and large overhead for switching between processes;

2. A thread can be considered as a lightweight process. The same class of threads share code and data space. Each thread has its own independent running stack and program counter, and the thread switching overhead is small;

3. multi-process: multiple tasks (programs) can be run simultaneously in the operating system );

4. multithreading: multiple sequential streams run simultaneously in the same application;