Re: 64bit CPUs

From: João Carlos Mendes Luís (jonny_at_jonny.eng.br)
Date: 05/02/05

  • Next message: Mariusz Grad: "Re: 64bit CPUs" 
    Date: Mon, 02 May 2005 02:16:58 -0300
To: Robert Watson <rwatson@FreeBSD.org>

    Robert Watson wrote:
    > On Sun, 1 May 2005, Mike Tancsa wrote:
    >> A somewhat obvious question to some perhaps, but what server
    >> application mix on FreeBSD today sees an improvement using 64bit CPUs
    >> ? In my ISP centric world, my big apps are BIND, IMAP/POP3, httpd via
    >> apache, SMTP, AV and SPAM scanning, and firewalls/routing. Apart from
    >> larger RAM, why would these benefit from the 64bit world ? Or would
    >> they ?
    >
    > RAM/address space is the big reason. In fact, applications compiled for
    > 64-bits may well run slower than 32-bit ones running on the 64-bit
    > kernel. Note that systems like Solaris default build many programs as
    > 32-bit, since there's no benefit to running ls(1) with a 64-bit address
    > space.

         Should I understand from this that, in the long term, FreeBSD will
    take the same path as Solaris, and have a dual (32bit/64bit) userland on
    amd64 arch?

                                             Jonny 

    -- 
João Carlos Mendes Luís - Networking Engineer - jonny@jonny.eng.br
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  • Next message: Mariusz Grad: "Re: 64bit CPUs"

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