[Gluster-devel] Gluster and GCC 5.1

Peter Portante pportant at redhat.com
Fri Jul 3 03:22:55 UTC 2015


On Jul 2, 2015, at 8:35 PM, Jeff Darcy <jdarcy at redhat.com> wrote:

>> Or perhaps we could just get everyone to stop using 'inline'
>
> I agree that it would be a good thing to reduce/modify our use of
> 'inline' significantly.  Any advantage gained from avoiding normal
> function-all entry/exit has to be weighed against cache pollution from
> having the same code repeated over and over each place the function is
> invoked.  Careful use of 'extern inline' can be good for performance
> and/or readability once in a great while, but IMO we should avoid
> 'inline' except in cases where the benefits are *proven*.
>
> On a similar note, can we please please please get people to stop
> abusing macros so much?  I get that they're sometimes useful to get
> around C's lack of generics or other features, but many of our long
> complicated macros have no such justification.  These pollute the cache
> just like 'inline' does, plus they make code harder to debug or edit.

And in the past, if not now, are contributing factors to small file
performance issues.

-peter

> _______________________________________________
> Gluster-devel mailing list
> Gluster-devel at gluster.org
> http://www.gluster.org/mailman/listinfo/gluster-devel


More information about the Gluster-devel mailing list