Date: Tue, 3 Aug 2010 09:30:24 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-chat@freebsd.org Cc: Brett Glass <brett@lariat.net> Subject: Re: Packet steering/SMP Message-ID: <201008030930.24070.jhb@freebsd.org> In-Reply-To: <201008021824.MAA22246@lariat.net> References: <201008021824.MAA22246@lariat.net>
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On Monday, August 02, 2010 2:23:57 pm Brett Glass wrote: > The article at > > http://www.computerworld.com/s/article/9180022/Latest_Linux_kernel_uses_Google_made_protocols > > describes SMP optimizations to the Linux kernel (the article > mistakenly calls them "protocols," but they're not) which steer the > processing of incoming network packets to the CPU core that is > running the process for which they're destined. (Doing this > requires code which straddles network layers in interesting ways.) > The article claims that these optimizations are Google's invention, > though they simply seem like a common sense way to make the best > use of CPU cache. > > The article claims dramatic performance improvements due to this > optimization. Anything like this in the works for FreeBSD? You should talk to Robert Watson, he is working on something similar. -- John Baldwin
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