Gentoo Archives: gentoo-user

From: Alan McKinnon <alan.mckinnon@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] lazy gcc switching
Date: Wed, 21 Jul 2010 23:14:49
Message-Id: 201007220108.41971.alan.mckinnon@gmail.com
In Reply to: Re: [gentoo-user] lazy gcc switching by Bill Longman
1 On Thursday 22 July 2010 00:18:05 Bill Longman wrote:
2 > On 07/21/2010 12:39 PM, Alan McKinnon wrote:
3 > > On Wednesday 21 July 2010 17:49:46 Bill Longman wrote:
4 > >> And to play devil's advocate, I'll chime in with my experience. The 4.4
5 > >> GCC, at least on AMD CPUs, creates noticeably faster code. I recompiled
6 > >> all my packages after I upgraded to 4.4 and it was a noticeable
7 > >> difference.
8 > >>
9 > >> But, to make perfectly clear what Alan and Dale have stated previously,
10 > >> it is not a requirement to recompile anything. The binaries that are
11 > >> created still call the same system calls as they did before. The kernel
12 > >> still publishes them in the same locations. And to prove to yourself
13 > >> this is true, grab a statically linked binary, compiled for a stock
14 > >> standard i686, and run it on your machine.
15 > >
16 > > I'd love to be able to experience the speedups of gcc-4.4 and by rights I
17 > > should be able to - my last "rip gentoo apart and put it back together
18 > > again" stunt needed an emerge -e world to fix it all.
19 > >
20 > > But, and this is the bit that makes me cry, the slowdown from KDE-4.4.5
21 > > has obliterated all that advantage several times over.....
22 > >
23 > > raster *really* needs to hurrry up now and release e17
24 >
25 > Might I suggest a small hardware upgrade:
26 >
27 > http://www.supermicro.com/Aplus/motherboard/Opteron6100/SR56x0/H8QGi-F.cfm
28
29 Might I submit that that will be a tad difficult to squeez into this:
30
31 # dmidecode | grep -B3 "Product Name"
32 Handle 0x0100, DMI type 1, 27 bytes
33 System Information
34 Manufacturer: Dell Inc.
35 Product Name: XPS M1530
36
37
38 :-)
39
40
41 --
42 alan dot mckinnon at gmail dot com

Replies

Subject Author
Re: [gentoo-user] lazy gcc switching Dale <rdalek1967@×××××.com>