[Debian-ppc64-devel] Re: ppc64 archive bloating alioth disk ...

[Andreas Jochens]

On 05-Sep-21 01:02, Sven Luther wrote:
> On Wed, Sep 21, 2005 at 12:51:53AM +0200, Andreas Jochens wrote:
> > The complete list of libraries it links to is '-lX11 -lXpm -lz -lcrypt -lssl'.
> 
> Please provide the ldd output, which is much easier to map to actual packages.

Here is the output from ldd on i386:

        linux-gate.so.1 =>  (0xffffe000)
        libX11.so.6 => /usr/X11R6/lib/libX11.so.6 (0x5556d000)
        libXpm.so.4 => /usr/X11R6/lib/libXpm.so.4 (0x55638000)
        libz.so.1 => /usr/lib/libz.so.1 (0x41862000)
        libcrypt.so.1 => /lib/tls/libcrypt.so.1 (0x5564f000)
        libssl.so.0.9.7 => /usr/lib/i686/cmov/libssl.so.0.9.7 (0x5567d000)
        libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x556ae000)
        libm.so.6 => /lib/tls/libm.so.6 (0x41153000)
        libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x55793000)
        libc.so.6 => /lib/tls/libc.so.6 (0x41019000)
        libdl.so.2 => /lib/tls/libdl.so.2 (0x4118f000)
        libXext.so.6 => /usr/X11R6/lib/libXext.so.6 (0x5579f000)
        libcrypto.so.0.9.7 => /usr/lib/i686/cmov/libcrypto.so.0.9.7 (0x557ad000)
        /lib/ld-linux.so.2 (0x41000000)

openssl and xorg should be enough for this as far as I can tell.

> > If I can get those as 64-bit, I will be quite happy. Of course I also
> > like to have a full native 64-bit system and to avoid the ugliness of
> 
> Bah. like said, there is a performance hit on this, or so the IBM folk are
> saying.

The performance hit is roughly 10% for current hardware and it mainly
affects compile time - not run time. Applications which really use
64 bit wide calculations and/or a 64 bit address space of course run
faster than 32 bit ones.

Basically the Debian standard *nix tools seem to be optimized for the 32 
bit case. I guess that this will change in the future. 
Additionally, with future new processor variants the performance hit 
will probably become much smaller anyway.

I am convinced that people will switch to clean 64 bit environments
in the end. For serious server environments, 32 bit setups will soon be 
a thing of the past.

Regards
Andreas Jochens