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Date:      Wed, 28 Jun 2000 22:42:48 +0800
From:      Trent Nelson <tpnelson@student.cowan.edu.au>
To:        John Polstra <jdp@polstra.com>
Cc:        alpha@FreeBSD.ORG
Subject:   Re: Cache line size for the Alpha
Message-ID:  <395A0EE8.28E6C524@student.cowan.edu.au>
References:  <XFMail.000628213509.jdp@polstra.com>

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John,
	Ignore the previous assumption I sent you privately.

John Polstra wrote:
> 
> I want to make sure a spinlock gets its own cache line on the Alpha.
> Do all models have the same cache line size?  If so, what is it?  If
> it is not the same for all models, what is the size of the largest
> one?

	21064, 21064A, 21066, 21066A, 21164 all have line sizes of 32-bytes.
The 21264 has a 64-byte line size.

> Thanks,
> John

	Regards,

		Trent.


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