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List:       linaro-flashbench-results
Subject:    [Flashbench] Transcend ultra 2GB Industrial 'CF100BA8' hdparm
From:       arnd () arndb ! de (Arnd Bergmann)
Date:       2011-03-18 12:27:47
Message-ID: 201103181327.47782.arnd () arndb ! de
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On Friday 18 March 2011, Philippe De Muyter wrote:
> Here are the hdparm and smartctl outputs for the first card I tested
> (Transcend ultra 2GB Industrial 'CF100BA8').  There seems to be no dma
> mode there, only PIO.

Ok, that makes sense. It explains both why this card is so slow, and
why it's hard to get meaningful measurements out of it -- when transferring
large amounts of data, the slow interface hides a lot of the timing effects
that are going on with its garbage collection.

	Arnd


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