Hi Brian --

Getting --fast working should definitely be the first priority.  What 
about it fails to work?

-Brad


On Sun, 10 May 2015, Brian Guarraci wrote:

> Hi,
>
> I've been testing my search index on my 16 node ARM system and have been
> running into some strange behavior.  The cool part is that the locale
> partitioning concept seems to work well, the downside is that the system is
> very slow.  I've rewritten the approach a few different ways and haven't
> made a dent, so wanted to ask a few questions.
>
> On the ARM processors, I can only use FIFO and can't optimize (--fast
> doesn't work).  Is this going to significantly affect cross-locale
> performance?
>
> I've looked at the generated C code and tried to minimize the _comm_
> operations in core methods, but doesn't seem to help.  Network usage is
> still quite low (100K/s) while CPUs are pegged.  Are there any profiling
> tools I can use to understand what might be going on here?
>
> Generally, on my laptop or single node, I can index about 1.1MM records in
> under 10s.  With 16 nodes, it takes 10min to do 100k records.
>
> Wondering if there's some systemic issue at play here and how can further
> investigate.
>
> Thanks!
> Brian
>

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