I know开发者_开发百科 that modern CPUs can execute out of order, However they always retire the results in-order, as described by wikipedia.
I have a PHP-script running on my server via a cronjob. The job runs every minute. In the php script i have a loop that executes, then waits one sevond and loops again. Essentially creating a script t
I\'m looking for a way to occupy exactly 80% (or any other numb开发者_高级运维er) of a single CPU in a consistent manner.
When writing to a register, say, like mov ax, 1, it overwrites the value it may have had earlier. Now what I wonder is that how big figures/strings can I feed into a register, and that can another ap
When issuing mov ax, 5, where does the data actually end up in? Does it go to the CPU\'s own memory/cache or to the RAM? Or does it fill the CPUs as long as it\'s not full, and the rest will go to the
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So I create simple boost::thread it can create new threads that can create new threads etc. I want to be capable to get how much CPU time was 开发者_如何学Pythongiven to thread (and threads it has cre
What does rep; nop mean? Is it the same as pause instruction? Is it the same as rep nop (without the semi-colon)?
I was profiling a program today at work that does a lot of buffered network activity, and this program spent most of its time in memcpy, just moving data back and forth between library-managed network
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