Hi Wolfgang, On 02.11.2011 23:48, Wolfgang Denk wrote: > Dear Daniel Schwierzeck, > > In > message<cacuy__ujmnrykmwimb9pqr0_ds6cgiyo-msovy4esh2zt6z...@mail.gmail.com> > you wrote: >> >> On Wed, Nov 2, 2011 at 7:54 AM, Wolfgang Denk<w...@denx.de> wrote: >>> U-Boot Makefiles contain a number of tests for compiler features etc. >>> which so far are executed again and again. =C2=A0On some architectures >>> (especially ARM) this results in a large number of calls to gcc. >>> >>> This patch makes sure to run such tests only once, thus largely >>> reducing the number of "execve" system calls. >>> >> >> maybe you want to try this experimental patch. >> http://patchwork.ozlabs.org/patch/123313/ >> >> It significantly reduces the count of gcc calls by caching the results. >> This also improves compilation times. > > Do you suggest this in addition or instead of the patch I posted?
as an additional but separate patch to further reduce the execution time of MAKEALL. > > Can you provide some measurements of build times and/or execve system > calls? I have attached the results of some MAKEALL runs in the patch mail (I cc-ed you). Best regards, Daniel _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
