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[amibroker] Re: AB optimized for dual core processor?



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Acknowledged ... Thanks for the update ...

--- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <amibroker@xxxx> 
wrote:
>
> Hello,
> 
> > "Sometime in the future" ?
> > 
> > Is End of March no longer the target date for this ?
> 
> No I did not mean that. I am simply more focused on delivering
> problem-free software than meeting some artificial deadlines
> but end of march is still realistic.
> 
> > 
> > Do you have any feel for the typical percentage run time 
reductions 
> > that would be experienced in optimization using dual core .vs. a 
> > similar speed single core ?
> 
> That depends on how long single backtest step runs but 
> it should be reaching 2x with most complex formulas.
> 
> Best regards,
> Tomasz Janeczko
> amibroker.com
> ----- Original Message ----- 
> From: "Fred" <ftonetti@xxxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Saturday, January 28, 2006 4:19 PM
> Subject: [amibroker] Re: AB optimized for dual core processor?
> 
> 
> > "Sometime in the future" ?
> > 
> > Is End of March no longer the target date for this ?
> > 
> > Do you have any feel for the typical percentage run time 
reductions 
> > that would be experienced in optimization using dual core .vs. a 
> > similar speed single core ?
> > 
> > --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" 
<amibroker@xxxx> 
> > wrote:
> >>
> >> Hello,
> >> 
> >> It was explained already a couple of times since October 2005 
> > (search the archives).
> >> In short: if you are buying new hardware buy dual core machine. 
Why?
> >> Even if apps do not use multiple threads, running 2 or more apps 
> > (who runs only 1 app on Windows ???)
> >> is way smoother on dual core. You will never see 
system "freezing" 
> > when some program
> >> is busy processing.  For this alone it is worth buying.
> >> 
> >> As for AB - it was discussed earlier. Most parts use single 
thread. 
> >> Some RT plugins use multiple threads (eSignal, IQFeed), AmiQuote 
> > uses multiple threads,
> >> list controls use additional thread.
> >> 
> >> I was making experiments on parallelization of AFL engine itself 
> > but it turned
> >> out that single thread is faster because tasks are short, can be 
> > highly-pipelined using proper
> >> code writing (removing jumps from assembly code) and no time is 
> > wasted on context switching
> >> and thread synchronization.
> >> 
> >> The only part that is suitable for SMP is optimization and it 
will 
> > be done sometime in the future.
> >> 
> >> Best regards,
> >> Tomasz Janeczko
> >> amibroker.com
> >> ----- Original Message ----- 
> >> From: "Nikku" <nikku@xxxx>
> >> To: <amibroker@xxxxxxxxxxxxxxx>
> >> Sent: Saturday, January 28, 2006 10:15 AM
> >> Subject: Re: [amibroker] AB optimized for dual core processor?
> >> 
> >> 
> >> > Hi
> >> > 
> >> > I am responding to my own question because I found out that 
some 
> > apps are
> >> > 
> >> > " multithreaded SMP aware programs"
> >> > 
> >> > and these are the ones that will benefit from having dual 
cores. 
> > Is that
> >> > correct? So I guess my question is - is AB a multithreaded SMP 
> > aware program
> >> > or if not, is it likely to be one soon? Actually, I have no 
idea 
> > if AB is
> >> > even the type of program that needs to be a 'multithreaded SMP 
> > aware
> >> > program'. I am just trying to figure out whether I should go 
for 
> > an AMD X2
> >> > 3800 dual core processor. I multitask a lot and I want to 
> > optimize it.
> >> > 
> >> > Nik
> >> > ----- Original Message ----- 
> >> > From: "Nikku" <nikku@xxxx>
> >> > To: <amibroker@xxxxxxxxxxxxxxx>
> >> > Sent: Friday, January 27, 2006 10:25 PM
> >> > Subject: [amibroker] AB optimized for dual core processor?
> >> > 
> >> > 
> >> >> Hi
> >> >>
> >> >> I am building a new computer and trying to figure out which 
> > processor to
> >> >> buy. My needs are obvious - run AB smoothly with streaming 
data 
> > and allow
> >> >> smooth multi-tasking (I like to play a CD while burning 
another 
> > one while
> >> >> having multiple browser and chat windows open while....)
> >> >>
> >> >> I am not a gamer at all, nor do I do anything that is video-
> > intensive.
> >> >>
> >> >> Is AB designed for or to take advantage of dual core 
processors? 
> > I am
> >> > asking
> >> >> without really understand the question - it is my impression 
> > that the
> >> >> software you are using has to be optimized for dual core 
before 
> > dual core
> >> >> will make any difference for you. I am not a tech-head as you 
> > can tell.
> >> >>
> >> >> Any help is appreciated.
> >> >>
> >> >> Nik
> >> >>
> >> >>
> >> >>
> >> >>
> >> >> Please note that this group is for discussion between users 
only.
> >> >>
> >> >> To get support from AmiBroker please send an e-mail directly 
to
> >> >> SUPPORT {at} amibroker.com
> >> >>
> >> >> For other support material please check also:
> >> >> http://www.amibroker.com/support.html
> >> >>
> >> >>
> >> >> Yahoo! Groups Links
> >> >>
> >> >>
> >> >>
> >> >>
> >> >>
> >> >>
> >> >>
> >> > 
> >> > 
> >> > 
> >> > 
> >> > Please note that this group is for discussion between users 
only.
> >> > 
> >> > To get support from AmiBroker please send an e-mail directly 
to 
> >> > SUPPORT {at} amibroker.com
> >> > 
> >> > For other support material please check also:
> >> > http://www.amibroker.com/support.html
> >> > 
> >> > 
> >> > Yahoo! Groups Links
> >> > 
> >> > 
> >> > 
> >> > 
> >> > 
> >> > 
> >> >
> >>
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > Please note that this group is for discussion between users only.
> > 
> > To get support from AmiBroker please send an e-mail directly to 
> > SUPPORT {at} amibroker.com
> > 
> > For other support material please check also:
> > http://www.amibroker.com/support.html
> > 
> > 
> > Yahoo! Groups Links
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> >
>






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