[asterisk-dev] [non]optimized builds

[Julian Lyndon-Smith]

Vasil Kolev wrote:
> В 07:03 +0000 на 06.02.2008 (ср), Julian Lyndon-Smith написа:
> 
>>>> The vast majority of open source packages out there build optimized by
>>>> default.
>> Has anyone actually measured the difference between OPTIMIZEd and 
>> DONT_OPTIMIZEd ? I compile and build with DONT_OPTIMIZE and have _never_ 
>> seen any performance related problems.
> 
> I have seen the difference in CPU usage between the optimized and
> non-optimized version to be something like 4% CPU usage on the otpimized
> and about 30-40% cpu usage on the non-optimized one on a machine that
> was terminating SIP calls to a 4xPRI card (something like 60-70 parallel
> calls most of the time).

wow. We don't have anywhere near that:

A single core cpu, 1GB ram running 3xE1 lines with 140 extensions (with 
20-50 calls at any time) is peaking at 20% cpu

This is with a Non-optimized compiler setting.

> 
> Non-optimized is a BAD idea for production.
> 
> Also, my 2c - most projects have _separate_ build options and builds for
> debugging, and it should be the users' choice what to use. Most users
> don't participate in the debugging and would prefer the performance :)
> 
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Julian