[fpc-devel] Re: Compiler bottlenecks

[Florian Klaempfl]

Michael Schnell schrieb:
>  On 07/15/2010 12:05 PM, Jonas Maebe wrote:
>> And you will get overhead in the FASTMM scheme if you have two threads
>> that are concurrently allocating and/or freeing a lot of small or
>> medium blocks.
> Only in extremely rare cases (which of course will be handled but seem
> not to be relevant regarding the overall speed).

Did you profiling? We did ...

> 
> With small blocks there is no concurrency (as in case of conflict, the
> second thread  will use medium.

And the third and fourth thread?