Kudos to everyone who worked on the gcc-4.2 merge

Garrett Cooper youshi10 at u.washington.edu
Mon Jun 4 15:27:37 UTC 2007


Alexander Kabaev wrote:
> On Sun, 3 Jun 2007 17:30:15 -0700 (PDT)
> youshi10 at u.washington.edu wrote:
>
>   
>> I just wanted to thank everyone who helped make the gcc 4.2 merge
>> possible -- I can see a noticeable performance increase (1.5x ~ 2.0x
>> load time decrease) in my server (P4 HTT with SMP).
>>
>> This will be one of the great changes that will put FreeBSD back on
>> the map closer to many Linux distros.
>>
>> Once gcc 4.2.1 gets in the tree, things will be much better, I'm
>> sure :).
>>
>> Thank you very much, and let me know if you need testing with gcc
>> 4.2.1 when it rolls around ;).
>>
>> -Garrett
>>
>>     
> Thanks, but I think kudos are addressed to wrong people. I very much
> doubt that GCC can be responsible for any, let alone dramatic,
> performance differences. Most likely you see effects of hard work done
> by SMP scalability guys.
>  
>   
Ok. Interesting.

All the changes I could see were at the kernel level (I saw a speed 
improvement after installing the kernel, before I ran make installworld).

-Garrett


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