Date: Sat, 24 Dec 2005 08:25:30 +0800 From: David Xu <davidxu@freebsd.org> To: Jason Evans <jasone@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: New malloc ready, take 42 Message-ID: <43AC957A.3010909@freebsd.org> In-Reply-To: <F72A81BD-0DB6-4227-8837-1A45551C2B7B@freebsd.org> References: <E1E22E2D-A6D5-49CC-9649-C37C50F0443B@freebsd.org> <43ABCBCF.8060500@freebsd.org> <F72A81BD-0DB6-4227-8837-1A45551C2B7B@freebsd.org>
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Jason Evans wrote: > > On Dec 23, 2005, at 2:05 AM, David Xu wrote: > >> >> If I have linked " aj>>>>>>>" to /etc/malloc.conf for phkmalloc, the >> super-smack get better result, on my Pentium-D 2.8Ghz machine, >> before this set, the select-key.smack can only reach 19500 q_per_s, >> after the set, it can reach 20791.33 q_per_s ! > > > Was this a CURRENT system? If so, did you use the 'aj' flags when > running the first test? By default, CURRENT has 'AJ' set, which > means that junk filling is on unless you turn it off. Junk filling > would cause approximately the performance difference you measured. > > Thanks, > Jason > > > Yes, with CURRENT, I think I didn't use 'aj' for first test. I will test it again when I am back to office, sorry. David Xu
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