[LAD] Atomic Operations

[Nick Copeland]

> guaranteed for 24 bits of a 32 bit value. funny old world, eh? :)

Wasn't that just for 32 bit floats though? They were implemented as a structure
that implied multiple write operations, they only garanteed the mantissa,
not the exponent. I am pretty sure integer memory IO was guaranteed as that
is where the 24 bits came from.

nick.

"we have to make sure the old choice [Windows] doesn't disappear”.
Jim Wong, president of IT products, Acer




> Date: Mon, 14 Dec 2009 14:50:42 -0500
> From: paul at linuxaudiosystems.com
> To: radarsat1 at gmail.com
> CC: linux-audio-dev at lists.linuxaudio.org
> Subject: Re: [LAD] Atomic Operations
> 
> On Mon, Dec 14, 2009 at 2:45 PM, Stephen Sinclair <radarsat1 at gmail.com> wrote:
> > As far as I understand
> > this doesn't happen as long as you stick to the word size of the
> > architecture.  (Anyone please correct me if I'm wrong about that.)
> 
> unbelievably, perhaps, this was not true on SPARC. atomicity was only
> guaranteed for 24 bits of a 32 bit value. funny old world, eh? :)
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