Re: Lengthy algorithm in a thread
manish.rattan@gmail.com wrote:
I am writing a lengthy algorithm in my thread and notice that its
execution time is about 4 secs. The issue I am having my CPU
consumtion goes upto 90% when this algo is executed. In other words,
when message for processing is posted to my thread it takes about 4
secs but also causes CPU to be 90%. I see in task manager spikes of
around 80-90% marks indicating the time my thread processed the
algorithm. I have tried to optimize my algorithm but can't avoid some
loops (none of which are endless).
Is there a way to get around this issue?
What issue?
How can bring down the CPU
consupmtion although I am running my algorithm in a worker thread?
I don't understand, I guess. I would be happy if there would be no
waiting ever when some algorithms of mine are executed. 100% of CPU?
Please, just do it. 4 seconds? I'm lucky if my tasks take 400 sec.
What is it you are concerned with?
If you need to optimize, use profiling capabilities of Visual Studio
(if you have high enough license, it might require Pro or Team), and
find where the time is spent and then concentrate on performing just
as many calculations as needed (not more) and possibly caching all
the values that can be cached. Use lookup tables whenever possible.
Buy a good book, like "Efficient C++" or "High Performance Computing"
and follow their advice.
V
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