1. LOGO Erlang 11 ACM 王浩然

2. Company Logo concurrency  in real world  in computer

3. Company Logo concurrency  Here, we encounter a quz.

4. Company Logo concurrency  x = x+n.  1.mov ax,[bp +x]  2.mov bx,n  3.add ax,bx  4.mov[bp+x],ax  multi-process share the registers.

5. Company Logo concurrency  If there is a Way or PL supporting this?  Yes! COP, Erlang.

6. Company Logo concurrency  Let's change a model.  The relation of the multi-process to a computer  staff to a community

7. Company Logo concurrency  Properties: Independent No sharing memory Sending message

8. Company Logo Concurrency Primitives  Pid = Spawn(fun)  Pid ! Message  receive... end

9. Receive Pattern

10. Company Logo Concurrency  A simple model  Client & Server  Sending& Receiving

11. Company Logo rect

12. Company Logo clock  What if never receive a message? waiting forever?  after

16. Company Logo Other features  Variable! no type declaration.

17. Company Logo Variable  A strange fact

18. Company Logo Variable  What on earth is going on here??  Explain X not a variable = is not an assignment operator  Why is this?

19. Company Logo Other features  "=", Pattern Matching Operator  can apply on storing compound data

20.  overload the function:

21. Company Logo Other features  Functional Programming function: first class, same as other data types.

23. Company Logo Summary  Not totally understanding  Still Missed Many Advantage

24. LOGO