Question: 5) Look at the below code. It takes 7 seconds

5) Look at the below code. It takes 7 seconds to make the call to yahoo finance 4 times
sequentially. The strange thing is that it takes the same amount of seconds to do the call
in parrallel....hummm very strange....what is the benefit of using the Task command then ??
I have 4 cores in my machine ie kernelopts(numcpus) returns 4 so it should be very fast.

restart:
with(Sockets):


X1 := proc () local str, sid, b; global str1;
str := "";
sid := Open("google.com", 80);
Write(sid, cat("GET /finance/historical?q=INDEXSP:.INX&histperiod=daily HTTP/1.0 \n\n"));
b := Read(sid);
while b <> false do str := cat(str, b); b := Read(sid) end do;
Close(sid);
str
end proc;


X2 := proc () local str, sid, b; global str1;
str := "";
sid := Open("google.com", 80);
Write(sid, cat("GET /finance/historical?q=INDEXEURO:.FCHI&histperiod=daily HTTP/1.0 \n\n"));
b := Read(sid);
while b <> false do str := cat(str, b); b := Read(sid) end do;
Close(sid);
str
end proc;


st := time[real]();

X1(); X2(); X1(); X2();

"Sequentially" = time[real]()-st;


st := time[real]();
Threads:-Task:-Start(X1);
Threads:-Task:-Start(X2);
Threads:-Task:-Start(X1);
Threads:-Task:-Start(X2);

"Simultaneously" = time[real]()-st;



                     "Sequentially" = 7.735
                        "Simultaneously" = 7.094