Date: Thu, 29 Mar 2007 12:29:15 -0700 From: Jason Evans <jasone@frebsd.org> To: Ivan Voras <ivoras@fer.hr> Cc: freebsd-current@freebsd.org Subject: Re: malloc(3) (hopefully) set for 7.0 Message-ID: <460C138B.7010802@frebsd.org> In-Reply-To: <eugubt$gf9$1@sea.gmane.org> References: <200703281955.l2SJt7Ua086062@repoman.freebsd.org> <460AE766.6050409@frebsd.org> <eugubt$gf9$1@sea.gmane.org>
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Ivan Voras wrote: > [...] I'd really like if you could manage to implement > those ideas before 7.0, and here's why: > > - The standard for new servers here is 4 cores (in various socket > arrangements), and we're not at all high-tech. This is likely to go up. > - If you include hyperthreading, even all *desktops* are SMPs! In short, > even including desktops, I haven't installed a UP kernel in about a year. > - It's too long to wait for 8.0 for something as important as this. I already implemented features in malloc that greatly _reduce_ malloc-related contention, so I don't think it is necessary to rush further enhancements that would nearly _eliminate_ contention. We are already in pretty good shape. Also, of the enhancements I have in mind, those with highest (predicted) payoff are self-contained enough that backporting to RELENG_7 might be feasible. Jason
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