[Mono-list] Interlocked on a SMP machine

[Alan McGovern]

Can i see your testcase?

Thanks,
Alan.

On 6/22/07, P. Oscar Boykin <oscar.boykin at gmail.com> wrote:
>
> I have some code that is implemented two ways.  Once using a standard
> lock, and once using System.Threading.Interlocked and no locks
> whatsoever.
>
> Both seem to function correctly, however, the Interlocked version
> seems to only use one CPU (my max CPU is 100%).  When using the lock
> based version, the CPU utilization goes to 200% (approximately).
> Thus, the lock version is much faster.
>
> Is this to be expected?  Have I misunderstood Interlocked?  Is it a
> limitation in mono?
>
> This was on mono 1.2.3 from Ubuntu 7.04.
>
> Thanks.
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