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gaoyifan/getCPUtime.cpp

Created June 18, 2014 12:46
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getCPUtime
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getCPUtime.cpp
long long getCPUtime()
{
unsigned int time_low,time_high;
asm("rdtsc \n\t");
asm("movl %%eax, %0\n\t":"=g"(time_low));
asm("movl %%edx, %0\n\t":"=g"(time_high));
return ((long long)time_high << 32) | time_low;
}
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