From kde-optimize  Mon Nov 14 12:44:14 2005
From: Olivier Goffart <ogoffart () kde ! org>
Date: Mon, 14 Nov 2005 12:44:14 +0000
To: kde-optimize
Subject: Re: normalized signature of signals/slots
Message-Id: <200511141344.20127.ogoffart () kde ! org>
X-MARC-Message: https://marc.info/?l=kde-optimize&m=113197226327087
MIME-Version: 1
Content-Type: multipart/mixed; boundary="--===============0842933739=="

--===============0842933739==
Content-Type: multipart/signed;
  boundary="nextPart1415414.7O648zkXTc";
  protocol="application/pgp-signature";
  micalg=pgp-sha1
Content-Transfer-Encoding: 7bit

--nextPart1415414.7O648zkXTc
Content-Type: text/plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline

Le Lundi 14 Novembre 2005 13:05, Koos Vriezen a =E9crit=A0:
> On Saturday 12 November 2005 11:30, Olivier Goffart wrote:
> > Hello
>
> ...
>
> > After some test (attached) I noticed that the normalized signature is
> > about twice times faster than the not normalized one
>
> Can you give some numbers (I tried to compile it but apparently that's
> not a 'g++ test_signals.cpp -lqt-mt' one ..)

I used=20
gcc -I/opt/qt4/include/ -I/opt/qt4/include/QtCore/ -L/opt/qt4/lib/=20
=2DlQtCore_debug -O2 test_signals.cpp      =20


As result i obtain

normalized: 2469ms
usual: 5323ms    ratio: 2.15593

I repeated it several times, the ratio is always between 1.9 and 2.2

> > (This may i guess be even more in the case of bigger signatures, or cla=
ss
> > with more signals and slots)
>
> Isn't it a hashtable?

No, it's all linear


--nextPart1415414.7O648zkXTc
Content-Type: application/pgp-signature

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.2 (GNU/Linux)

iD8DBQBDeIakz58lY8jWrL0RAnsIAJ9UfoeW5JfuIgJCKF2AY0kwVOryGQCfcc4H
dkFWMIXqqJcxo+cwvEBYB5c=
=Yymg
-----END PGP SIGNATURE-----

--nextPart1415414.7O648zkXTc--

--===============0842933739==
Content-Type: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

_______________________________________________
Kde-optimize mailing list
Kde-optimize@kde.org
https://mail.kde.org/mailman/listinfo/kde-optimize

--===============0842933739==--