Dubi,

According to Tomasz, CMAE is available in 64 bit.

http://finance.groups.yahoo.com/group/amibroker/message/150820

Mike

--- In amibroker@yahoogroups.com, "dubi1974" <gonzale...@...> wrote:
>
> Hi Mike,
> 
> Same machine, same optimization.
> I am using Windows 7x64bit. CPU is Intel i7 920. 6GB DDRAM3.
> And I compared the same optimization of a formula on Amibroker 32bit and 
> Amibroker 64bit.
> 
> Regarding exhaustive optimizer. There is not exhaustive optimizer for 64bit. 
> That's why I did neither use it for the 32bit and the 64bit. That's why I 
> asked Tomasz if a exhaustive optimizer 64bit plugin is planed.
> 
> Regards, dubi
> 
> 
> --- In amibroker@yahoogroups.com, "Mike" <sfclimbers@> wrote:
> >
> > Did you perform your test using an exhaustive optimization on identical 
> > machines (or better yet, the same machine), differing only by 32 bit 
> > windows vs. 64 bit windows? If not, your test is comparing apples to 
> > oranges.
> > 
> > 1. If using different machines, the hardware will play a very large role in 
> > the performance. My high end 64bit server takes 20 seconds to compute what 
> > my low end 32bit laptop does in 8 minutes. I can assure you it has very 
> > little to do with the operating system!
> > 
> > 2. If using a non exhaustive optimizer, the built-in randomness of the 
> > optimizer can result in a different number of actual backtest operations. 
> > An optimization will take some period of time to converge. Immediately 
> > running the same optimization again on the same machine may converge sooner 
> > or take longer. The timing is not fixed, as it would be for an exhaustive 
> > optimization that will always perform exactly the same number of backtests.
> > 
> > Mike
> > 
> > --- In amibroker@yahoogroups.com, "dubi1974" <gonzales74@> wrote:
> > >
> > > Hi,
> > > 
> > > I tested it and compared an normal optimization process between 32bit and 
> > > 64 bit. On the same formula Amibroker 32-bit took more than 8 hours for 
> > > the optimization process, and Amibroker 64-bit just 4h:50min.
> > > 
> > > So my experience shows me, that it's much faster. My question is, could 
> > > you Tomasz provide us the optimizer.dll in 64-bit? Like cmae or tribes? 
> > > For testing purpose.
> > > 
> > > Many thanks.
> > > 
> > > Regards, dubi
> > > 
> > > --- In amibroker@yahoogroups.com, Tomasz Janeczko <groups@> wrote:
> > > >
> > > > Hello,
> > > > 
> > > > AmiBroker 5.30.1 64-bit edition (experimental) is now available for 
> > > > download from:
> > > > http://www.amibroker.com/x64/
> > > > 
> > > > This is experimental version *only* for people running 64-bit Windows 
> > > > and wanting to utilise *more* than 4GB of memory. 64-bit version does 
> > > > NOT offer anything more, just ability to access more memory.  It can 
> > > > (and should) be installed into *separate* folder, so it does not 
> > > > overwrite 32-bit edition (if installed). This version includes only 2 
> > > > plugins: CMAE and IB (interactive brokers) plugin.   64-bit version of 
> > > > IQFeed plugin is in the works
> > > > and it will arrive later.
> > > > 
> > > > Note that regular users, even running 64-bit Windows should rather run 
> > > > regular, 32-bit version of AmiBroker as it offers more compatibility 
> > > > and 
> > > > was tested on way more installations.
> > > > 
> > > > Please note that 64-bit version has BETA/experimental status and in 
> > > > case 
> > > > of problems you should use 32-bit version instead.
> > > > 
> > > > Best regards,
> > > > Tomasz Janeczko
> > > > amibroker.com
> > > >
> > >
> >
>


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