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Amen!
Thanks TJ!
--- In amibroker@xxxxxxxxxxxxxxx, "Paul Ho" <paul.tsho@xxx> wrote:
>
> Thanks Tomasz for your responsiveness in fullfilling our requests to have 1 sec or below tick data together with floating point volume. This exceeds my own expectation.
> Could you share with us the performance of 64 bits PackDate structure vs the current 32 bits? I presumed that 44 bytes per bar vs the current 40 bytes per bar, would only mean a 10% extra memory/L2 cache requirements, and shouldnt affect peformance too much with the exception that if a backtest is currently just under the cache boundary would soon be over with 5.27.
> /Paul.
> --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@> wrote:
> >
> > Hello,
> >
> > Existing 3rd party DLLs CONTINUE to work OK, thanks to backward compatibility layer added in 5.27, but
> > a) compatibility layer induces some extra CPU overhead (less than 0.001 sec per 1000 bars retrieved from data plugin)
> > b) of course new features (extended resolution and floating point volume) are not available using old plugins
> >
> > Also, the change only affects DATA plugins. Any other plugins (AFL, optimizer) do not require any change.
> >
> > Yes, new ADK will be released soon (this week)
> >
> > Best regards,
> > Tomasz Janeczko
> > amibroker.com
> > ----- Original Message -----
> > From: "Paul Ho" <paul.tsho@>
> > To: <amibroker@xxxxxxxxxxxxxxx>
> > Sent: Monday, August 03, 2009 11:28 AM
> > Subject: [amibroker] Re: AmiBroker 5.27.0 ALPHA released
> >
> >
> > >I presume that existing third party dll wont work any more, Is that correct?
> > > Would you be releasing a new ADK as part of the next release?
> > > /Paul.
> > > --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@> wrote:
> > >>
> > >> Hello,
> > >>
> > >> AmiBroker 5.27.0 ALPHA released
> > >>
> > >> http://www.amibroker.com/devlog/2009/08/03/amibroker-5-27-0-alpha-released/
> > >>
> > >> ALPHA means that this version is experimental and you *must* do backup of your data files before installing it. New version
> > >> changes
> > >> the format of database files (quotation / stock / drawings ),
> > >> so once data are saved with version 5.27 you will NOT be able to read them in pre-5.27 version.
> > >> The ALPHA installer comes with simple backup program that will create a copy of your AmiBroker directory - it will display right
> > >> after new program files are copied. The backup will be created in C:\AmiBrokerBackup folder. Please note that this backup is
> > >> intended to copy the database files, not program files which will be overwritten anyway. If you want to backup program files too,
> > >> you need to backup them manually prior to installation. If you made your own backup prior to installation, you can skip (Cancel)
> > >> the
> > >> backup part of the install routine.
> > >>
> > >> CHANGES IN VERSION 5.27.0 (as compared to 5.26.0):
> > >>
> > >> - changed core data structures to support the following
> > >> -- 64 bit date/time field with date range of 4095 years and resolution down to microseconds
> > >> -- floating point volume and open interest fields
> > >> -- two new auxilliary data fields per bar (internally, not yet exposed)
> > >> -- 100 new user-defined fundamental data fields (internally, not yet exposed)
> > >> -- support for GICS (internally, not yet exposed)
> > >> -- upto 48 character length in Symbol/Alias/WebID fields
> > >> - Updated plugins for eSignal, IQFeed, Interactive Brokers, Quotes Plus, Metastock to support floating point volume/open int and
> > >> 64
> > >> bit date/time
> > >> - 1-second interval bars
> > >> - Metastock plugin now reads long symbol description
> > >> - Symbol lock fixed (does not interfere with Interval linking)
> > >> - Added simple "BackupAB.exe" to backup entire AmiBroker folder after installation to prevent data in old format.
> > >>
> > >> Details in the read me:
> > >> http://www.amibroker.com/devlog/wp-content/uploads/2009/08/readme5270.html
> > >>
> > >> Best regards,
> > >> Tomasz Janeczko
> > >> amibroker.com
> > >>
> > >
> > >
> > >
> > >
> > > ------------------------------------
> > >
> > > **** 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 ****
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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/
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