4 ms·

I wrote a similar program the other week, one rdtsc immediately followed by another. (read2 - read1) was about 50 cycles. I was surprised that it wasn't like 1

I wrote a similar program the other week, one rdtsc immediately followed by another. (read2 - read1) was about 50 cycles. I was surprised that it wasn't like 1 or 2. I have no idea what this implies.

gpderetta 5y ago
Did you use RDTSC or RDTSCP?