如何估计从 NetworkStream 读取的字节数组/缓冲区的大小？
int bufferSize = 8192;
Byte[] buffer = new Byte[bufferSize];
我需要从 NetworkStream 中读取数据，该网络流将以高速率连续输入数据流。我想知道
- 设置
bufferSize值的基础是什么？ - 是否有一个标准的“安全”值 可以选择，无论 环境？
- 它是否也随流而变化 我正在尝试读取 （文件流/网络流/..）？
请将性能作为评估的重点。
int bufferSize = 8192;
Byte[] buffer = new Byte[bufferSize];
I need to read from a NetworkStream which would have a continuous flow of incoming data at a high rate. I wanted to know
- What should be the basis for setting the
bufferSizevalue? - Is there a standard "safe" value that
can be chosen irrespective of the
enviornment? - Should it also vary with the Stream
I'm trying to read from
(FileStream/NetworkStream/..)?
Please consider performance as the focus point for the estimation.
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评论（1）
优化性能只有一种可靠的方法：测量、测量、测量。
我见过 1024、4096 或 8192 用作从互联网下载文件的缓冲区大小，但我没有注意到使用任何一个有任何显着差异。
There is only one sure way to optimize performance: measure, measure, measure.
I've seen 1024, 4096 or 8192 used as buffer sizes for downloading files from the internet, and I haven't noticed any significant difference using either one.