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PureBytes Links
Trading Reference Links
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Tomasz,
thank you for this great improvement. IB Backfill is now working
perfectly, even outside the trading hours.
The drop down of resources I observed formerly had been caused by an
other application, sorry.
However, one question remains:
After backfilling one single symbol it takes about 20 seconds until
the new chart is drawn. When I press F5 after the hint
shows "backfill completed", the chart is drawn immediately. Is this
normal?
Best regards.
--- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <amibroker@xxxx>
wrote:
>
> Hello,
>
> A new Interactive Brokers plugin version 1.4.4 (a.k.a "performance
booster" :-))
> has been just released.
>
> Direct download link:
> http://www.amibroker.com/bin/ib144/IB.dll
>
> More information and setting up instructions:
> http://www.amibroker.com/ib.html
>
> (You may need to press "REFRESH" button in your web browser to get
updated contents of the page)
>
> CHANGES FOR VERSION 1.4.4 (as compared to 1.4.3)
>
> + core API parts rewritten to use fast buffered sockets - gives
upto 10x performance improvement
> (previous versions used EClientSocket code supplied as a part of
TWS API. Unfortunatelly this code was using single-byte-at-a-time
> read from socket and it was terrible performance hog when backfills
were longer than one day. New buffered socket code is able to
> read upto 4096 bytes at once)
>
> CHANGES FOR VERSION 1.4.3 (as compared to 1.4.2)
>
> + full 5-day backfill for all symbols (1-minute bar interval)
> + IDEALPRO now uses MIDPRICE instead of BID to get cleaner
backfill, but user can switch back to BID in config screen.
>
> Best regards,
> Tomasz Janeczko
> amibroker.com
>
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