Unfortunately we missed the 64 bit boat by releasing QNX 6.4 
prematurely, as a 32 bit OS.

Now we're obliged to look into 66 bits for QNX 6.6, but that is going to 
take some thinking...

:-)

On 10-03-31 10:55 PM, David Snowdon wrote:
> Hello all,
>
> I work for Zomojo, who are a company implementing extremely low-latency network hardware for running financial 
transactions. As part of our quest for low-latency, we've come to the sad conclusion that commodity operating systems 
like Linux simply don't cut the mustard, and QNX's bound multiprocessing model seems to match our needs very well. 
Without having played with it, I've seen mention elsewhere that QNX is at present a fully 32-bit OS without support for 
x86-64.
>
> Is this accurate? We could potentially try to migrate our software back to 32-bit compliance, but would far rather 
avoid the pain. In particular we're interested in atomic updates of 64-bit variables.
>
> If it is accurate, are there any plans for a 64-bit version?
>
> Many thanks in advance,
>
> Dave.
>
>
>
> _______________________________________________
>
> OSTech
> http://community.qnx.com/sf/go/post51005
>
>    

-- 
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