Initialized Success!0
Initialized Success!1
CAT1111 Time Spending: 0.634558(s)
CAT0 Time Spending: 0.652624(s)
CAT1111 Time Spending: 0.399149(s)
CAT0 Time Spending: 0.414874(s)
CAT1111 Time Spending: 0.399688(s)
CAT0 Time Spending: 0.412380(s)
...
但是加上临界区后,每个线程调用API的时间变为:0.8秒
Initialized Success!0
Initialized Success!1
CAT0 Time Spending: 0.658266(s)
CAT1111 Time Spending: 1.307721(s)
CAT0 Time Spending: 1.054209(s)
CAT1111 Time Spending: 0.807566(s)
CAT0 Time Spending: 0.805551(s)
CAT1111 Time Spending: 0.804478(s)
CAT0 Time Spending: 0.808760(s)
CAT1111 Time Spending: 0.808193(s)
CAT0 Time Spending: 0.802075(s)
CAT1111 Time Spending: 0.804079(s)
....