Floating-point and mixed-endianness in D-Bus (was: dbus mini-summit)

[Thiago Macieira]

On Monday, 8 de August de 2011 19:21:51 Rémi Denis-Courmont wrote:
> I understand the motivation to use the native endianess if possible. But in 
> practice, I think it would be faster to just use a fixed endianess and
> convert on the fly in the D-Bus implementations. In practice, systematic
> (selected at build-time) conversion is probably faster than conditional
> (selected at run- time), if only because a byte swap is faster than a
> conditional branch. It's also simpler at the source code level.
> 
> An alternative is to give-up on D-Bus over the network.

There are some CPU families that can run different endianness on the same chip, 
with the same kernel. ARM and IA-64 are examples of that.

-- 
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
   Software Architect - Intel Open Source Technology Center
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