使用boost :: asio :: basic_stream_socket :: async_read_some而不是boost :: asio :: async_read更有效吗？

Question

在高性能数据吞吐量方面，使用boost :: asio :: basic_stream_socket :: async_read_some而不是boost :: asio :: async_read更好吗？

Answer 1

boost::asio::async_read is a composed operation, which is well described in the documentation

This operation is implemented in terms of zero or more calls to the stream's async_read_some function, and is known as a composed operation. The program must ensure that the stream performs no other read operations (such as async_read, the stream's async_read_some function, or any other composed operations that perform reads) until this operation completes.

any performance conclusions should be based on empirical data depending on your application.