Date: Sun, 13 Mar 2011 09:41:10 +0200 From: Aragon Gouveia <aragon@phat.za.net> To: Thor Ablestar <thor@irk.ru> Cc: freebsd-acpi@freebsd.org Subject: Re: C2/C3 states cause poor TCP performance with re(4) Message-ID: <4D7C7516.3010608@phat.za.net> In-Reply-To: <4D7C7404.8030300@irk.ru> References: <4D7C6BEF.9070303@phat.za.net> <4D7C7404.8030300@irk.ru>
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On 03/13/11 09:36, Thor Ablestar wrote: > I have some similar but unrelated problems and during googling saw the > article that states that wakeup from C3 takes significant amount of time > (57 uS). You cannot both have a zero response time and C3. >> dev.cpu.1.cx_supported: C1/1 C2/1 C3/57 > > To accelerate things you should keep 1 core in C1 and all others in C3. Makes sense, and your suggestion works too. Thanks!
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