Michael Van Canneyt schrieb: > > > On Thu, 15 Jul 2010, Florian Klaempfl wrote: > >> Jonas Maebe schrieb: >>> Unless you are doing a cold compile, the main bottlenecks in the >>> compiler are the memory manager (mostly the allocation of memory, >>> freeing is faster), zero-filling new class instances (and partially >>> resetting the register allocator) and tobject.initinstance. >> >> I wonder if zeroing memory blocks (so when allocating them we know >> already that they contain zeros) and preparing new register allocators >> in a helper thread could improve this. > > But if a memory block is freed and put back on the heap, you need to > zero it again, so where is the gain in that ?
While it's in the freelist, the helper task zeros it so when it is allocated again, it needs no zeroing again. _______________________________________________ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel