1 |
Did this few years back for an online magazine sponsored by a local |
2 |
linux sysadmin company who wanted to see the difference between generic |
3 |
debian and optimised (not necessarily gentoo, but thats what I used.) |
4 |
|
5 |
Difference in times was ~10% across the board for graphics manipulations |
6 |
(gimp scripts), spreadsheet tasks (gnumeric) and the like. |
7 |
|
8 |
The "kicker" - simple optimisations gained far, far more than generic |
9 |
compiler settings. e.g., initially, the gnumeric versions were slightly |
10 |
different, with some wild times across the tasks. Make em the same |
11 |
version (and cuedos to the gnumeric maintainer for jumping in and |
12 |
helping diagnose/fix the problem - newer version on gentoo was heaps |
13 |
slower :) and there was little difference. |
14 |
|
15 |
Shared libs like glibc didnt make a huge difference, but being smart |
16 |
about how/what a "particular" task was handled gained more. If a debian |
17 |
app was compiled with similar options as to gentoo, little difference |
18 |
between them in performance which considering shared libs etc wasn't |
19 |
what I expected. |
20 |
|
21 |
The intel compilers are/were said to be a lot better than gcc, not sure |
22 |
if the gap is still there (supposedly 20% better again) |
23 |
|
24 |
Its how long is a piece of string kind of question if considered OS |
25 |
wide, but pick a narrow task and optimise away with smart programmers |
26 |
and you will do well on almost anything. |
27 |
|
28 |
Big advantage of gentoo - configurability, version control (what version |
29 |
is installed and changing it at short notice) and general flexibility. |
30 |
|
31 |
10 % on software is a lot better than forking out $$$ on faster hardware |
32 |
to do that (as gamers do!), but at the end of the day, I can also make |
33 |
my car go faster by painting the diff red (urban myth/joke from my |
34 |
hotrodding days:) and see roughly the same performance boost - i.e., |
35 |
probably wont notice it in real life) |
36 |
|
37 |
BillK |
38 |
|
39 |
|
40 |
|
41 |
On 14/03/13 16:15, Dale wrote: |
42 |
> Howdy, |
43 |
> |
44 |
> I was wondering. Has anyone ever seen where a test as been done to |
45 |
> compare the speed of Gentoo with other distros? Maybe Gentoo compared |
46 |
> to Redhat, Mandrake, Ubuntu and such? |
47 |
> |
48 |
> Also, I read that Nasdaq runs a modified version of Gentoo. Do any |
49 |
> other large corps run it that we know of? |
50 |
> |
51 |
> I googled a bit but couldn't find anything. Maybe my search terms |
52 |
> wasn't good enough. |
53 |
> |
54 |
> Links would be nice. |
55 |
> |
56 |
> Dale |
57 |
> |