Date: Sat, 8 Sep 2007 10:53:55 +0200 From: Fabien THOMAS <fabien.thomas@netasq.com> To: freebsd-net@freebsd.org Cc: Andre Oppermann <andre@freebsd.org>, Mike Tancsa <mike@sentex.net> Subject: Re: new version of polling for FreeBSD 6.x Message-ID: <50A25602-5658-4AC3-98B5-CB1767CE6163@netasq.com> In-Reply-To: <46E1D937.8040600@freebsd.org> References: <ADC3B5D6-ED91-4079-8D1F-5D66BAD52716@netasq.com> <09k3e3d46bb5br07r883sdokn0j7qlkp0c@4ax.com> <46E1D937.8040600@freebsd.org>
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> Haven't tested RELENG_4 performance in a controlled environment and > thus can't answer the question directly. However using fastforward > on 6 and 7 is key to good performance. Without it you're stuck at > some 150-200kpps, perhaps 300kpps. With it you get to 500-800kpps. > > To show that pps is mainly related to CPU freq (with high end component): FreeBSD 6.2, packet size is 64bytes and value L3 Mb/s between the two only CPU change. Xeon Woodcrest 2.33 3.00 1,287 pollng 1CPU: 210 257 1,224 pollng 2CPU: 329 396 1,204 pollng 1CPU fastfwd: 291 364 1,251 pollng 2CPU fastfwd: 455 536 1,178 warn: this is not the same hardware than in the pdf.
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