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What is the difference between go language and swoole
- 青灯夜游Original
- 2022-01-27 18:07:504233browse
Difference: 1. The go language uses a single-threaded eventloop to handle IO events, while swoole uses a multi-threaded eventloop to handle IO events; 2. The golang language layer supports multi-threading, while the swoole language layer does not support multi-threading; 3. Go language has super global variables, but swoole does not have super global variables.
The operating environment of this tutorial: Windows 10 system, Swoole4&&GO version 1.11.2, DELL G3 computer
The difference between golang and swoole
1. About the language
golang uses a static language, which is troublesome to write, has high single efficiency, and is mostly used for io-intensive calculations
swoole php is a dynamic interpretation The language performance is poor and not suitable for intensive computing programs
2. About IO
golang uses a single-threaded eventloop to process IO events and multi-threaded coroutine scheduling to run User code
swoole uses multi-threaded eventloop to handle IO events, and multiple processes execute user code
3. About coroutines
Golang language level supports multi-threading, use Multi-threaded scheduling coroutine can realize stack file character sharing, but it is easy to cause data interference and requires a locking mechanism when using it.
The swoole language layer does not support multi-threading, and uses a single thread to implement coroutine scheduling. The data of each thread is There is no data interference alone.
4. About the running mode
golang is multi-threaded, has super global variables, has data interference problems, and can share data
swoole is When running in multiple processes, there are no super-global variables, only process-level variables, and there is no data interference problem. You have to use tables to share data yourself
Recommended learning: swoole tutorial
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