thiago at kde.org
Sat Oct 1 16:00:38 BST 2005
Stephan Kulow wrote:
> - without inline, the price of d pointers are: one more malloc
> (can only be spared in KDE 4.0 and is likely to return, so
> it's a little price and there is no guarantee to be kept - so we
> better optimize _with_ it already included) and the extra
> indirection that a d pointer brings (this->member becomes
> this->d->member). The latter is the real problem
For the first access only in each function or for non-optimised code.
The optimising compiler will very likely elect this->d to be cached in a
register, just like this itself is.
As Simon pointed out, we can solve that by moving code to the Priv class
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
PGP/GPG: 0x6EF45358; fingerprint:
E067 918B B660 DBD1 105C 966C 33F5 F005 6EF4 5358
1. On frumscafte, hwonne time_t wæs náht, se scieppend þone circolwyrde
wundorcræftlíge cennede and seo eorðe wæs idel and hit wæs gód.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 189 bytes
Desc: not available
More information about the kde-core-devel