[protobuf] 2.5.0 C++ performance summary

2013-04-22 Thread Stephen Townsend
Apologies if this is an FAQ but I see the release notes state C++ 
optimizations were made, is there a list of those changes anywhere please? 
 is this the atomic opt stuff only?  What's the expected (ballpark) 
improvement over 2.4.x?  

Thank in advance.

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Re: [protobuf] 2.5.0 C++ performance summary

2013-04-22 Thread Feng Xiao
On Mon, Apr 22, 2013 at 2:27 PM, Stephen Townsend
stevetownse...@gmail.comwrote:

 Apologies if this is an FAQ but I see the release notes state C++
 optimizations were made, is there a list of those changes anywhere please?
  is this the atomic opt stuff only?  What's the expected (ballpark)
 improvement over 2.4.x?

There are a few small optimizations made (sorry I don't remember any...)
but the overall performance doesn't have a noticeable change. I would say
the performance is on par with 2.4.x.
Basically the performance of protobuf won't change much now unless there is
a significant design change (e.g., wire format change) or some significant
new features are supported (e..g, union, bulk memory allocation). If that
happens it will definitely be mentioned in the document.



 Thank in advance.

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