On Tue, 09 Apr 2024 14:14:34 +0200, Ahelenia Ziemiańska wrote:
> This is a trivial but significant optimization:
> mkimage took >200ms (and 49489 writes (of which 49456 512)),
> now it takes 110ms (and 419 writes (of which 386 64k)).
>
> sendfile is much more appropriate for this and is done in one syscall,
> but doesn't bring any significant speedups over 64k r/w
> at the 13M size ranges, so there's no need to introduce
> #if __linux__
> while((size = sendfile(fd_dst, fd_src, NULL, 128 * 1024 * 1024)) > 0)
> ;
> if(size != -1) {
> ret = 0;
> goto out;
> }
> #endif
>
> [...]
Applied to u-boot/master, thanks!
--
Tom
