Timing performance (milliseconds) on multiplication of SNP matrix and residual matrix.

The methods are all implemented in C++ and run on a Macbook with 2.9 GHz Intel Core i7 and 8 GB 1600 MHz DDR3.所有实验方法均采用C++语言实现，运行于搭载2.9 GHz英特尔酷睿i7 (Intel Core i7) 处理器与8 GB 1600 MHz DDR3内存的Macbook设备。