Hi TJ - I was just wondering if there might be any plans for a new Equity() function that uses new backtester with the extra features and speed that it now has. I really like "backtester in a box" aspect of Equity function and ability to display results immediately in the charts without having to use the actual backtester. I know about ~~~Equity but I believe this still requires use of the actual backtester? If you think it is possible, I will be happy to put in a suggestion in the DevLog. Thanks very much!.
Steve ----- Original Message ----- From: "Tomasz Janeczko" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Thursday, October 04, 2007 9:34 PM Subject: [amibroker] Optimization speed increase in 5.01 > Hello, > > If you are running optimizations using new version I would love to hear > about the timings you get > compared with old one. > Note that optimization with new version may run even 2 times faster (or > more), > but actual speed increase depends how complex the formula is and how often > system > trades and how large baskets. Speed increases are larger with simpler > formulas, > because AFL execution speed did NOT change. The only things that has > changed > is collection of signals (1st backtest phase) and entire 2nd phase of > backtest. > As it turns out, when backtesting very simple formulas the AFL code > execution is only less > than 20% of total time, the rest is collecting signals and sorting them > according to score and 2nd phase of the backtest (actual trading > simulation). > These latter areas were the subject of performance tweaking. > > Best regards, > Tomasz Janeczko > amibroker.com > > > Please note that this group is for discussion between users only. > > To get 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 > > Yahoo! Groups Links > > > > Please note that this group is for discussion between users only. To get 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 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:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
