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Hello,
I run a 15000 vol chart on the Es/5.09/IB and when the count down gets to
zero it takes more than 500 TO 2000 traded shares before the next bar starts
to plot. I realize this could be due to vol coming in, but a change to a
faster computer made a noticeable improvement. My total time on that chart
is @ .188 secs. As somebody told me awhile ago AB has a lot of things to
due. My Bracket Trader Entry Program always shows price before AB in fast
markets.
My guess is your .782 time (I've pared down the formulas as much as
possible) is part of the problem. Also you might want to try chart timing of
'0' zero to get the 'as needed' CPU usage. In addition, check the Windows
Task Manager, recently found on a different computer running AD-Ware all the
time!
Going through some old messages, TJ talks about refresh rates and forced
recalculation of formula. Can send if interested.
Regards,
Jerry Gress
-----Original Message-----
From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf
Of Dennis Brown
Sent: Tuesday, April 21, 2009 9:09 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] RT chart updating irregularly
Hello,
I am running DTN IQFeed 1 minute realtime database on @ES# futures.
Since yesterday, I have noticed that my last bar in the chart is not
being updated until the bar closes. I would not have realized it
except I also display the realtime bid/ask/last levels on my charts
and the bar is not registering the realtime data.
The chart is running on timed 2 second refresh (.782 sec total redraw
time). It is verified to be refreshing at least every 2 seconds.
If I click on the manual refresh button in AB (F5), it updates the
chart correctly.
I have not been trading realtime with the program for a few weeks
(which would be impossible with this problem), because I have been
doing a lot of offline code rewriting and testing for a while, so I
don't really know how long this might have been going on.
I am totally baffled. I have gone back through my database and
preference settings looking for a clue.
It must have something to do with the database interface not being
asked to get new data on a regular basis.
Anyone else having this problem with DTN or other RT data providers?
AB 5.24b IQFeed 4.5.0.3
Attached screenshot showing the realtime bid/ask/last levels above the
last bar for a 95% done bar.
If it is just my problem, I will contact support.
TIA,
Dennis
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**** IMPORTANT PLEASE READ ****
This group is for the discussion between users only.
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TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
http://www.amibroker.com/feedback/
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