Linux slab 分配器剖析
做了一些测试：发现linux使用内存池与否没有明显差别，仅仅有2倍(这个很容易被计算覆盖掉）
Linux内存处理机制已经很好，一般情况下，确实没有必要在用内存池？？？ 不知道大家持什么样的观点。
速度测试：
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02:36:16:~/../pool_test$ vim MainFile.cpp
g++ MemPool.o TestClass.o MainFile.cpp -o main -O3
Press ENTER or type command to continue
02:37:21:~/../pool_test$ ./main
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