Re: Power 6 vs Power 8

[Vernon Hamberg <vhamberg@xxxxxxxxxxxxxxx>]

Very cool results, Rob - this confirms the charts IBM has on P8 
performance - even though processor speed is about the same, the design 
is so much faster.

Nice to see, so that even single-threaded, RPGish stuff will benefit - 
unlike the deal some years ago.

Vern

On 5/7/2014 10:42 AM, rob@xxxxxxxxx wrote:
> Just got permission to publish this.
>
> Disclaimer:  These results were experienced at our site and were not run
> under any supervision of IBM.  Your mileage may vary.
>
> This was a Domino lpar.
> Once a week it runs Domino tasks:  COMPACT, FIXUP, UPDALL at low business
> periods.
>
> Power 6:
> 04/17/2014 05:00:00   Running Program document for 'FIXUP -L -j'
> 04/17/2014 05:00:12   Database Fixup: Started:  -L -j
> 04/17/2014 06:23:13   Database Fixup: Shutdown
> 04/23/2014 03:10:23   Running Program document for 'COMPACT -B'
> 04/23/2014 07:50:51   Database compactor process shutdown
> 04/23/2014 04:00:40   Running Program document for 'UPDALL -r'
> 04/23/2014 04:00:43   Index update process started:  -r
> 04/23/2014 07:12:28   Index update process shutdown
>
> Power 8
> 04/30/2014 03:10:02   Running Program document for 'COMPACT -B'
> 04/30/2014 04:50:29   Database compactor process shutdown
> Runtime went from 4:40 to 1:40
> 04/30/2014 04:00:19   Running Program document for 'UPDALL -r'
> 04/30/2014 04:00:20   Index update process started:  -r
> 04/30/2014 05:09:27   Index update process shutdown
> Runtime went from 3:12 to 1:09
> 05/01/2014 05:00:46   Running Program document for 'FIXUP -L -j'
> 05/01/2014 05:00:49   Database Fixup: Started:  -L -j
> 05/01/2014 05:18:04   Database Fixup: Shutdown
> Runtime went from 1:23 to 0:18.
>
> Same lpar.
> Same Domino partition
>
> Went from being a 'host' partition on Power 6 down to being a 'guest'
> partition on Power 8.
>
> zip file containing full details of hardware available upon request.
>
> Rob Berendt