Date: Thu, 29 Jun 2000 09:28:30 -0700 (PDT) From: John Polstra <jdp@polstra.com> To: tpnelson@echidna.stu.cowan.edu.au Cc: alpha@freebsd.org Subject: Re: Cache line size for the Alpha Message-ID: <200006291628.JAA23243@vashon.polstra.com> In-Reply-To: <395A0EE8.28E6C524@student.cowan.edu.au> References: <XFMail.000628213509.jdp@polstra.com> <395A0EE8.28E6C524@student.cowan.edu.au>
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In article <395A0EE8.28E6C524@student.cowan.edu.au>, Trent Nelson <tpnelson@echidna.stu.cowan.edu.au> wrote: > 21064, 21064A, 21066, 21066A, 21164 all have line sizes of 32-bytes. > The 21264 has a 64-byte line size. Thanks for the info! Now does anybody know whether it makes a difference performance-wise to put spinlocks in separate cache lines on the Alpha? I understand that it makes a big difference on the x86. But one person told me in private mail that he didn't think it mattered on the Alpha. John -- John Polstra jdp@polstra.com John D. Polstra & Co., Inc. Seattle, Washington USA "Disappointment is a good sign of basic intelligence." -- Chögyam Trungpa To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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