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The original poster ignored recommended settings, ignored
warnings displayed by AmiBroker, used registry hack to
disable 500k bar limit and entered 20x more than recommended
"number of bars" for 1-minute IQFeed database (2 million bars instead recommended 100k)
If you load 40 tonnes onto Ferrari it won't go. And that's no surprise.
Always, I mean ALWAYS use recommended settings (as presented in tutorials
and videos) and it will work perfectly.
As with any machine, any equipment, etc, if you load 20x more than manufacturer recommends
you can expect it to run at least 20x slower or not run at all.
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: "monitorit" <monitorit@xxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Saturday, December 06, 2008 3:34 AM
Subject: [amibroker] Re: Speed Issues
> Hi
> May I ask how many tickers are being continuously updated during live
> market hours? This would include the number of tickers that were
> exposed to an AA or were displayed on a chart since the current
> session of AB started + any additional tickers displayed in the
> realtime quote window (at least in my experience and with another
> data provider). Do you notice any problem after market hours when
> all the data is already local?
> I've given up trying to keep >30+ tickers live
> (with some days better than others.. ? d/t velocity of market
> activity or something else between AB -the internet - and my
> provider) but don't see a problem with chart redraws just the data
> update gets delayed. Even when I switch to a different ticker -
> redraw is quick - but the last bar can be several minutes old on a 1
> min chart.
>
> Dan
>
>
> --- In amibroker@xxxxxxxxxxxxxxx, "sidhartha70" <sidhartha70@xxx>
> wrote:
>>
>> Hi All,
>>
>> Just when I think I seem to have got to the bottom of speed issues
> for
>> live trading with AmiBroker... I find myself needing a little more
> advice.
>>
>> I have 4 charts... each chart has a total chart timing of about
> 0.045
>> secs.
>>
>> However, the 4 charts in total, have a total redraw time of between
>> 0.5 - 0.65 secs.
>>
>> Does this sound reasonable...?? Not quite sure how we get 0.5 from
>> 0.045 * 4....? If not, any ideas where the extra redraw time is
> coming
>> from...?
>>
>> Second... I'm finding AB, again, very difficult to use for live
>> trading with this kind of redraw speed. What can I do to make it
>> faster...?? Any ideas....? (for reference ALL charts have the
>> following line at the end of their code, SetBarsRequired( 1000,
> 200 );)
>>
>> TIA
>>
>
>
>
> ------------------------------------
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------------------------------------
**** IMPORTANT ****
This group is for the discussion between users only.
This is *NOT* technical support channel.
*********************
TO GET TECHNICAL SUPPORT from AmiBroker please send an e-mail directly to
SUPPORT {at} amibroker.com
*********************
For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
http://www.amibroker.com/devlog/
For other support material please check also:
http://www.amibroker.com/support.html
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