Date: Wed, 03 Oct 2007 20:34:52 +0900 From: NIIMI Satoshi <sa2c@sa2c.net> To: Jeff Roberson <jroberson@chesapeake.net> Cc: current@freebsd.org Subject: Re: ULE/yielding patch for testing. Message-ID: <47037E5C.7090006@sa2c.net> In-Reply-To: <20071002165007.D587@10.0.0.1> References: <20071002165007.D587@10.0.0.1>
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Hi, Jeff Roberson wrote: > 2) Restores old sched_yield() behavior from 6.x. This was changed in > -current unintentionally I think. sched_yield() is now very fast with SCHED_ULE. On my test, it's faster than 6.2-REL even with HZ=100. > Those of you still using 4BSD can also verify that the yield changes > don't cause any problems there. Unfortunately, sched_yield() is still very slow with SCHED_4BSD. Thanks, -- NIIMI Satoshi
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