Re: [xep-support] Performance and synchronization

Is there any way to turn this off?

Irv

David Tolpin wrote:

>>
>> It seems like when we go to 4 and 8 processors, the actual rendering
>> time goes way up, like something in synchronized in the internals of
>> XEP.
>
>
> Attribute values are memoized in a global weak cache, and when an
> attribute is interned in the cache, the call is synchronized. This
> saves memory and speeds up many things, but slows the internal parser
> on multiprocessor setups. If you don't care about memory, run several
> instances of JVM and a load balancer to access them, such as EnMasse.
>
> If hypothesis is correct, then the slowdown is in the parser, that
> is, before the logger starts counting pages.
>
> David
>
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Received on Thu Apr 21 10:36:24 2005