Dennis,
I imagine you'd get a huge performance boost from running under Bootcamp rather
than Parallels. That's my experience anyway. Simply Parallels & Fusion, despite
what they claim can't match the native speed under Bootcamp.
--- In amibroker@yahoogroups.com, Dennis Brown <se...@...> wrote:
>
> Jerry,
>
> Thanks for this information. These are fantastic results.
>
> I have been waiting for the best time to move from XP 32 bit to W7 64 bit.
>
> IQFeed and AB 64 bit are now available, I just upgraded my RAM to 8GB
> yesterday, and Parallels on a Mac now supports W7 64 bit.
> It seems that all the parts are in place to make the switch to 64 bit.
>
> However, I am still wary of making the switch too soon before all the bugs
> are worked out. Even though I am desperate for more speed,
> I still have to use this system in live trading every day.
>
> It looks like I will have to make an experimental version of the complete
> system as a new virtual machine in the next several weeks to test it.
>
> Best regards,
>
> Dennis
>
>
> On Aug 1, 2010, at 11:54 AM, Jerry Gress wrote:
>
> >
> > Hello All,
> >
> > My results using 64 bit vs 32 bit, mid morning market hours using IB, not IB
> > Gateway. Running 4 charts, under 'Code Check & Profile" the two biggest
> > total time users are Foreign and Set Foreign, 10.263 and 9.973 ms for total
> > of 0.0260055 sec. All running on quad core Q8200 2.34 GHz, 4 GB memory.
> >
> > Load Factor:
> >
> > 32 bit = 116%
> >
> > 64 bit = 58%
> >
> > Total refresh time:
> >
> > 32 bit = 212 ms
> >
> > 64 bit = 117 ms
> >
> > Total Data Access Time:
> >
> > 32 bit = 18 ms
> >
> > 64 bit = 1 ms
> >
> > Plug in time:
> >
> > 32 bit = .3 ms
> >
> > 64 bit = .2 ms
> >
> > Free virtual memory:
> >
> > 32 bit = 3905 mb
> >
> > 64 bit = 8388448 mb
> >
> > Thanks TJ
> >
> > Regards,
> >
> > JG
> >
> >
> >
> >
> >
> >
> >
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