Re: How to determine performance bottleneck?

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Pierre Ossman wrote:
> On Tue, 14 Oct 2008 14:37:41 +0900
> Tejun Heo <tj@xxxxxxxxxx> wrote:
> 
>> Pierre Ossman wrote:
>>> Bummer. Is this per port, or is it the PCIe side of the chip that is
>>> limited to this speed?
>> I think it's on the host bus side.
>>
>>> What do the silicon image guys have to say about it?
>> ISTR they confirmed the problem but I don't remember talking too much
>> about it.
>>
> 
> The optimist in me was hoping that this could be a problem that can be
> sidestepped with a clever enough implementation. :)
> 
>>>>  There's 3132-2 chip on the market.  Maybe it's worth a try?
>>> Now that model number was not something that was easily found on
>>> google, nor on silicon image's website. Know of any boards with that
>>> chip?
>> Somebody wrote me an email about it.  Looking up... eh.. can't find.  Sorry.
>>
> 
> Do you remember if that's a new chip designation, or 3132 (rev 02)?
> Just so I know what to keep an eye out for.

Yeah, it had a new designation.  Something like 3132-2 (don't confuse it
with 3132 2 ports or 3132 2 ports SATA 2, yeah a lot of 2s there).

-- 
tejun
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