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Hi Steve,
Nice results. How are you dividing the optimization work among the 4
cores?
Thanks,
Steve
--- In amibroker@xxxxxxxxxxxxxxx, "Steve Dugas" <sjdugas@xxx> wrote:
>
> Hi All,
>
> I finished setting up the new quad-core machine and ran my first
tests today, so am posting the promised test results. All I can say is
Wow! Really nice improvements, even better than I expected to see in
my highest hopes. I am happy as a pig in sh*t !! 8 - )
>
> For background, the test was an optimization run on a single ticker,
which is how I will be running all my other tests ( ticker was QID,
468 EOD data bars ). All tests used the same code with different param
settings, all tests had about 46,000 opt steps.
>
> To put things in perspective and show why I am so happy, the
original code was about 2,400 lines. The first time I ran it, on my
old backup computer which I was using as a dedicated optimization
machine, it took 7 1/2 hours to run. So then I copied the code and
created a shorter version, removing everything which wasn't absolutley
necessary for the optimizer, and that reduced the run time to 2 1/2
hours. Then I ran this short version on my faster primary machine and
that took 1 1/4 hours, which is about what I was expecting to see on
the new machine.
>
> So today I started by running just ran one instance on the quad-core
- that took only 30 mins and Task Manager showed it was using just 25%
of the total processing power! Well to make a long story short, I
kept adding one instance at a time, all instances ran in 30 mins and
each used up an additional 25% of the CPU power. In the end, I was
easily running 4 simultaneous instances. This pretty much kept the CPU
tached at 100% but all instances ran fine, all finished in 30 mins and
I didn't experience any problems at all. I was even saving the first
ones to spreadsheets while the final ones were still finishing, wow
everything just worked flawlessly! So, the quad-core can run 4
seperate opts simultaneously in 30 mins, which averages out to 7 1/2
minutes per opt, which =
>
> 10X improvement over running the short code on the fast machine...
> 20X improvement over running the short code on the old dedicated
optimization machine...
> 60X improvement over running the original code on the old
optimization machine... Awesome !!!
>
> To those who were wondering what is the best machine to get for
running AB, it looks to me like quad is the way to go. ( My machine
has an Intel processor, which TJ mentioned should probably work better
than AMD for this stuff )....
>
> Steve
>
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