[fpc-devel] (patch) improvement of object creation speed

[Florian Klaempfl]

Sergei Gorelkin schrieb:
> Hello,
> 
> While valgrinding my projects, I noticed that InitInterfacePointers 
> procedure eats noticeable amount of CPU cycles. For TObject.NewInstance 
> call tree, I got Irefs for GetMem and InitInterfacePointers relating 
> approx. as 42/36, i.e. InitInterafacePointers only a bit faster than 
> GetMem.
> What's worse, in projects that do not use interfaces (like the compiler 
> itself), InitInterfacePointers is nothing but a waste of time.
> 
> I addressed this in two ways:

Thanks, applied.

> 
> There are also some minor changes, like {$IMPLICITEXCEPIONS OFF} around 
> TObject.Create (nothing can cause an exception in an empty method), 

I remove this part, the compiler handles this now in a generic way by 
replacing

try
finally
   statement
end;

by

statement;