Date: Mon, 23 Feb 2015 22:14:16 +0100 From: Andreas Tobler <andreast-list@fgznet.ch> To: Nathan Whitehorn <nwhitehorn@freebsd.org>, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org> Subject: Re: New 64-bit pmap Message-ID: <54EB9828.5070104@fgznet.ch> In-Reply-To: <54E948D3.2050201@freebsd.org> References: <54E948D3.2050201@freebsd.org>
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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
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