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Paul:
Thank you for the comments about 64 bit code.
--- Paul Ho <paultsho@xxxxxxxxxxxx> wrote:
> Just did a search on google on possible benefits of 64
> bits beyond memory
> addressing
> "
>
> "The performance gains from having 16 GPRs available will
> vary depending on
> the complexity of your code. Compute-intensive
> applications with deeply
> nested loops, as in most Fortran codes, will experience
> higher levels of
> register pressure than simpler algorithms that follow a
> mostly linear
> execution path. "
>
> but I dont think 64 bits will be twice as fast, but my
> optimization codes
> are very computation intensive.
>
>
> Paul
>
>
> _____
>
> From: amibroker@xxxxxxxxxxxxxxx
> [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf
> Of b
> Sent: Thursday, 17 November 2005 4:42 AM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: Re: [amibroker] AmiBroker Computer Performance
> -- What Matters?
>
>
> Tomasz:
>
> If going from single to dual core (both 32 bit code) will
> give about a 2x speed increase, what is your estimate of
> the speed increase that one might expect when going from
> 32
> bit 64 bit code?
>
> I know that 64 bit code will theoretically give a huge
> increase in addressable RAM, but that will not affect
> most
> of us since the current 32 bit Windows code will address
> 4
> GB which is considerably larger than my database.
>
> Thus any advantage of 64 bit really comes down to
> computational advantages. How much of a speed advantage
> will 64 bit code give Amibroker? My guess is that going
> from single to dual core (both 32 bit) will give more
> gain
> than going from 32 to 64 bit.
>
> Is this guess right or wrong.
>
>
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