In the following, we have five properties.
1. efficiency in context switching
2. efficiency in information hiding
3. efficiency in thread creation
4. efficiency in message-passing
5. convenience in memory sharing
Which ones are not the advantage of user threads over kernel threads.
A. 2,4,5
B. 1,2,5
C. 1,3
D. 2,4
E. 3,4,5
请问答案是 A吗??
不太懂这边information hiding的意思
感谢

忘了说 96台大电机

个人觉得应该是C

不对，应该不是A， memory sharing 应该user thread比较方便才对

Memory sharing的差别在哪？ address space都一样啊

A or D ，个人倾向 A。