Re: LuaJIT performance

[Rob Kendrick <lua-l@...>]

On Mon, 10 Aug 2009 02:36:43 +0200
Mike Pall <mikelu-0908@mike.de> wrote:

> Ok, but you may be in for a nasty surprise: the 3GS has an ARM
> Cortex-A8 CPU which only has VFPlite. This is actually a step back
> from the previous models which had an ARM 1176JZ(F)-S with a full
> VFP unit. And since the vector mode of VFP is officially deprecated,
> you're in for more surprises in the future.

Have you got a citation for this?  My guy inside ARM is of the opinion
that NEON is a /superset/ of VFP, and that there are three types for
VFP; none, partial, and full.  Nothing on the market implements full,
and partial is only missing a handful of instructions.

B.