Monday, January 25, 2021

Digest for comp.lang.c++@googlegroups.com - 1 update in 1 topic

"Chris M. Thomasson" <chris.m.thomasson.1@gmail.com>: Jan 25 02:42PM -0800

On 1/24/2021 2:37 AM, Bonita Montero wrote:
> Can you compile and link this:
[...]
> on my TR 3990X, it's about 3 clock cycles. It's used in spin-loops
> and should be related to the time cacheline needs to travel from
> one cache to another, and that's much more than 3 clock cycles.
 
I am getting outputs in release mode using multiple runs:
 
running without debugging:
 
3.66028ns
3.65354ns
3.66328ns
 
 
With debugging:
 
4.24173ns
4.32265ns
4.36551ns
 
 
Btw, and fwiw... Thanks for making/prompting me get MASM up and running
again! Its been a long time since I used it. Thanks Bonita.
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