Re: typedef void * (*lua_Alloc) caching

[C++ RTMP Server <crtmpserver@...>]

On Apr 5, 2011, at 9:05 PM, Sam Roberts wrote:

> On Tue, Apr 5, 2011 at 7:01 AM, C++ RTMP Server <crtmpserver@gmail.com> wrote:
>> What would be the purpose of lua_alloc function?
> 
> lua_alloc can be used for purposes unrelated to implementing a faster allocator:
> 
> - allows lua with crazy systems that don't have a heap at all
> - allows you to redefine to a slower allocator that checks for memory
> leaks, and records usage statistics
> - when lua is embedded inside a runtime env that requires all memory
> to come from a particular heap, or that
>  has a heap per component, or where you want to track and assign all
> memory used to specific components
> 
> I've used it for the last two. The result was slower, not faster.
> 
> You're getting some kick-back because the only allocator you should be
> able to beat by using an your own
> custom allocator that took you less than a week to write is such a bad
Actually, 4 hours.
> allocator that you shouldn't
and is better for my needs. btw, is mempool, not system wide allocator

> be using it at all, for anything. Terrible allocators used to be
> common, but have gotten much better in the
> last 10 years.
> 
> Cheers,
> Sam
> 

------
Eugen-Andrei Gavriloaie
Web: http://www.rtmpd.com