Date: Sat, 06 Mar 2010 15:26:03 -0700 (MST) From: "M. Warner Losh" <imp@bsdimp.com> To: ticso@cicely.de, ticso@cicely7.cicely.de Cc: freebsd-arm@freebsd.org Subject: Re: Performance of SheevaPlug on 8-stable Message-ID: <20100306.152603.716362616846278503.imp@bsdimp.com> In-Reply-To: <20100306215153.GL58319@cicely7.cicely.de> References: <4B92BD9D.6030709@geocities.com> <20100306211715.GK58319@cicely7.cicely.de> <20100306215153.GL58319@cicely7.cicely.de>
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In message: <20100306215153.GL58319@cicely7.cicely.de>
Bernd Walter <ticso@cicely7.cicely.de> writes:
: This is really a long time to count 2^32 with 180MHz.
: I would really say that there is something wrong.
Sounds a lot like ICACHE isn't being enabled, since a 3-liner like
this should be executing entirely out of cache after the first
instruction in main prefetches the cache line.
Warner
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