On Sunday 29 May 2011 05:01:57 m...@freebsd.org wrote: > On Sat, May 28, 2011 at 12:03 PM, Pieter de Goeje <pie...@degoeje.nl> wrote: > > To me it looks like it's not able to cache the zeroes anymore. Is this > > intentional? I tried to change ZERO_REGION_SIZE back to 64K but that > > didn't help. > > Hmm. I don't have access to my FreeBSD box over the weekend, but I'll > run this on my box when I get back to work. > > Meanwhile you could try setting ZERO_REGION_SIZE to PAGE_SIZE and I > think that will restore things to the original performance.
Indeed it does. I couldn't find any authoritative docs stating wether or not the cache on this CPU is virtually indexed, but apparently at least some of it is. Regards, Pieter _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
