[amibroker] Re: Does Ami run faster with a 64 bit over 32 bit OS?

["Mike" <sfclimbers@xxxxxxxxx>]

There is little to no difference between running a 32 bit app on a 64 bit OS vs. 32 bit OS (i.e. no performance hit).

Where you can see a difference, favorably, is if the 32 bit application is memory intensive. I believe that a 64 bit OS will allow the 32 bit application to run using up to a full 4GB of RAM, vs. the 3GB max of a 32 bit OS. This is particularly evident when running multiple memory intensive 32 bit apps simultaneously (each with up to 4GB RAM).

However, running a 64 bit OS with only 3 GB of memory is a crime against computing! There is little (anything?) to be gained by running 32 bit applications on a 64 bit OS without making available the additional memory that the 64 bit OS would allow. Gaining access to additional RAM is among, if not THE, most desirable aspects of a 64 bit OS.

Mike

--- In amibroker@xxxxxxxxxxxxxxx, "Barry" <razzbarry@xxx> wrote:
>
> I have an Intel core 2 duo processor and would like to know if things run faster with the 64 bit OS over the 32 bit.  Most of my programs are 32 bit and I had heard that running them on a 64 bit system makes them slower.  Is that true?  If I am going to upgrade to windows 7 I might as well use the faster OS version if it helps performance.  I have only 3GB of memory if that makes a difference. 
> 
> I guess device drivers could be a nightmare too.
> 
> Thanks,
> Barry
>




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