Date: Tue, 24 Feb 2015 15:19:46 -0800 From: Nathan Whitehorn <nwhitehorn@freebsd.org> To: Andreas Tobler <andreast-list@fgznet.ch>, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org> Subject: Re: New 64-bit pmap Message-ID: <54ED0712.9050900@freebsd.org> In-Reply-To: <54EB9828.5070104@fgznet.ch> References: <54E948D3.2050201@freebsd.org> <54EB9828.5070104@fgznet.ch>
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On 02/23/15 13:14, Andreas Tobler wrote: > On 22.02.15 04:11, Nathan Whitehorn wrote: >> I wrote a new memory management implementation for 64-bit PPC systems >> last week to get greater concurrency on big SMP systems. On a 32-thread >> POWER8 system, this results in a factor of two speedup in buildworld >> time. Smaller systems should see little change. >> >> Since this is a nearly ground-up rewrite of the pmap layer, I'd >> appreciate any testing before pushing the code into HEAD. The patch is >> at http://people.freebsd.org/~nwhitehorn/ppc64-new-pmap.diff. > > For the record. > > Tested on: > - G5 QUAD -> stable. > - POWER5+ -> stable. > - G5 DUAL 32-bit -> stable. > > The test contained buildworld hammering and gcc bootstrapping. > > Thanks Nathan for your work! > > Andreas Thanks! This is committed to HEAD now. Please post to the list if you run into any difficulties. -Nathan
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