Re: Straightforward changes for increased SMP scalability

Andrew Dunstan wrote:
> 
> 
> Joshua D. Drake wrote:
>> Gregory Stark wrote:
>>> "Joshua D. Drake" <jd@commandprompt.com> writes:
>>>

>> If I have 16 cores, things are still really loud but I start to not be 
>> able to tell the difference. The percentage of improvement is much lower.
>>
>> E.g, 16 cores works and PostgreSQL work great, but it is not nearly as 
>> fantastic with 16 cores as 8 cores (in terms percentage gain).
>>

> That's not the same thing as slowing down, it just means that scaling 
> isn't always linear, which isn't surprising.

Right. Which is why I reposted, but it also makes what Simon proposes 
that much more attractive *because* it helps the linear problem (in theory).

Joshua D. Drake


> 
> cheers
> 
> andrew
> 


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