Hi Otto,
* Otto Moerbeek wrote:
> Hi,
>
> currently malloc does cache a number of free'ed regions up to 128k in
> size. This cache is indexed by size (in # of pages), so it is very
> quick to check.
>
> Some programs allocate and deallocate larger allocations in a frantic
> way. Accodomate those programs by also keeping a cache of regions
> betwen 128k and 2M, in a cache of variable sized regions.
>
> My test case speeds up about twice. A make build gets a small speedup.
>
> This has been tested by myself on amd64 quite intensively. I am asking
> for more tests, especialy on more "exotic" platforms. I wil do arm64
> myself soon. Test can be running your favorite programs, doing make
> builds or running tests in regress/lib/libc/malloc.
I have your patch running on an amd64 Thinkpad T450s with usual desktop
usage and noticed no regression so far.
Cheers
Matthias
