[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[amibroker] Re: Aux data fields



PureBytes Links

Trading Reference Links

the 2 additional fields could have been 4 or 8 or any number that is not immediatly limiting. 
personally, i hate artificial ticker as it is not a good design. 
--- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@xxx> wrote:
>
> Hello,
> 
> 1. You need to conserve memory. That is paramount importance. Not because of RAM, but because of CPU CACHE.
> Anything that exceeds CPU on-chip cache size runs 10 times slower.
> 2. On 64 bit systems there are strict guidelines for alignment for best performance - the structure needs to be 8 byte aligned, so 
> you can not have odd number
> of floats in the structure.
> 3. It would make it very difficult to write 3rd party plugins if quotation structure size was not known in advance
> 4. If you really want more fields - use different ticker (artificial ticker) and AddToComposite or use static arrays.
> 
> All in all, for all practical reasons it makes no sense.
> 
> Best regards,
> Tomasz Janeczko
> amibroker.com
> ----- Original Message ----- 
> From: "tipequity" <l3456@xxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Thursday, August 06, 2009 11:06 PM
> Subject: [amibroker] Aux data fields
> 
> 
> > Tomasz
> >
> > What is the resean for limiting the number of aux data fields to two? Wouldn't it give more flexibility if it could have been user 
> > defined? TIA
> >
> >
> >
> > ------------------------------------
> >
> > **** IMPORTANT PLEASE READ ****
> > This group is for the discussion between users only.
> > This is *NOT* technical support channel.
> >
> > TO GET TECHNICAL SUPPORT send an e-mail directly to
> > SUPPORT {at} amibroker.com
> >
> > TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
> > http://www.amibroker.com/feedback/
> > (submissions sent via other channels won't be considered)
> >
> > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> > http://www.amibroker.com/devlog/
> >
> > Yahoo! Groups Links
> >
> >
> >
>




------------------------------------

**** IMPORTANT PLEASE READ ****
This group is for the discussion between users only.
This is *NOT* technical support channel.

TO GET TECHNICAL SUPPORT send an e-mail directly to 
SUPPORT {at} amibroker.com

TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
http://www.amibroker.com/feedback/
(submissions sent via other channels won't be considered)

For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
http://www.amibroker.com/devlog/

Yahoo! Groups Links

<*> To visit your group on the web, go to:
    http://groups.yahoo.com/group/amibroker/

<*> Your email settings:
    Individual Email | Traditional

<*> To change settings online go to:
    http://groups.yahoo.com/group/amibroker/join
    (Yahoo! ID required)

<*> To change settings via email:
    mailto:amibroker-digest@xxxxxxxxxxxxxxx 
    mailto:amibroker-fullfeatured@xxxxxxxxxxxxxxx

<*> To unsubscribe from this group, send an email to:
    amibroker-unsubscribe@xxxxxxxxxxxxxxx

<*> Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/