|To:||Matthias Schniedermeyer <ms@xxxxxxx>|
|Subject:||Re: TRIM details|
|From:||Phil Karn <karn@xxxxxxxx>|
|Date:||Fri, 07 Jan 2011 06:15:15 -0800|
|References:||<4D2686ED.7000304@xxxxxxxxxxxx> <20110107091120.GA6634@xxxxxxx> <20110107091720.GA6921@xxxxxxx>|
|User-agent:||Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:220.127.116.11) Gecko/20101207 Thunderbird/3.1.7|
On 1/7/11 1:17 AM, Matthias Schniedermeyer wrote: > Altough, after thinking about it a little more. Doing a Population count > in the controller while the data comes in over the wire can't be that > expensive. Doesn't even have to be a popcount. Just OR every word into a register as the data flies by and look to see if the result is 0.
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