PS May tables on the hs06 page [1] are outdated. I get
833,573*3600/2842460694=1.06 as a ratio between CPUApel and CPUAtlas for
Manchester.
The hs06 page reports 0.89.
cheers
alessandra
[1] http://pprc.qmul.ac.uk/~lloyd/gridpp/hs06.html
On 07/06/2011 09:55, Alessandra Forti wrote:
> No, Steve,
>
> it doesn't drop 10%. It drops 28% (25% if we want to use APEL HS). We
> have already discussed the fact that Atlas HS depends on the ration of
> cpu hours between Apel and Atlas and if the measures in Apel are not
> complete that affect HS-Atlas.
>
> HSAtlas= (CPUApel/CPUAtlas)*HS06.
>
> Which transforms your
>
> AnalysisHours*HSAtlas and ProdHours*HSAtlas in the orginal
> AnalysisHoursFrac*HS06 and ProdHoursFrac*HS06
>
> so it is 28% you are removing especially because I'm moving all
> production on the fastest CPUs.
>
> Atlas Kit and Hepspec are in line at 99% according to the papers
> widely accepted measures.
>
> cheers
> alessandra
>
>
>
> On 07/06/2011 09:47, Steve Lloyd wrote:
>> Hi Alessandra,
>> I'm proposing to use the ATLAS production cpu/event as the
>> benchmark. In May switching from Apel to this would only make 10%
>> change to Manchester (6.8 -> 6.2). This also solves the problem at
>> Cambridge where there is no reliable Apel number. Although it was
>> discussed to drop the CPU availability column there was no conclusion
>> but investigations into Lancaster are still continuing. It may be
>> revisited. The proposal was to cap at 20% but this was not agreed.
>> Glasgow were above 20% but now QMUL has it's new disk up no-one is.
>> We don't know the total money that will be spent so you can't
>> translate this into £s.
>> Cheers Steve
>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>
>> + Steve Lloyd Queen Mary, University of
>> London +
>> + E-mail: [log in to unmask] School of
>> Physics +
>> + Phone: +44-(0)20-7882-5057 Mile End
>> Road +
>> + Fax: +44-(0)20-8981-9465 London E1 4NS,
>> UK +
>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>
>>
>>
>>
>>
>> On 7 Jun 2011, at 09:01, Alessandra Forti wrote:
>>
>>> Hi Steve,
>>>
>>> are we going to discuss this later at the ops meeting? Are you
>>> using the Atlas Validation Kit [1] to take your measures? Most of my
>>> objections depend on the fact that I don't trust the software but if
>>> it was something recognised by WLCG and Hepix I might quiet down
>>> even if Manchester CPU hours get cut down by 28% with this change.
>>>
>>> There are other two points in the PMB minutes [2] that would be
>>> interesting to discuss.
>>>
>>> 1) How likely it is that the cpu availability column will be dropped
>>> and when will we know it?
>>> 2) It seems a cap will be applied so that no site can get more than
>>> £200k but the final number hasn't been decided yet. I'm not against
>>> this but it'd be better to know it in advance.
>>>
>>> cheers
>>> alessandra
>>>
>>> [1] http://tinyurl.com/65r2k2g
>>> [2] http://www.gridpp.ac.uk/pmb/minutes/110531.txt
>>>
>>>
>>> On 06/06/2011 22:51, Steve Lloyd wrote:
>>>> Hi Peter,
>>>> It looks like Apel hasn't updated yet for June. It seems to be
>>>> somewhat sluggish. It's fine for previous months so it will
>>>> probably be OK eventually. Anyway we're probably going to stop
>>>> using it and use the Production HS06 anyway.
>>>> Cheers
>>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>>
>>>> + Steve Lloyd Queen Mary, University of
>>>> London +
>>>> + E-mail:
>>>> [log in to unmask]
>>>> School of Physics +
>>>> + Phone: +44-(0)20-7882-5057 Mile End
>>>> Road +
>>>> + Fax: +44-(0)20-8981-9465 London E1 4NS,
>>>> UK +
>>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On 6 Jun 2011, at 15:07, Peter Grandi wrote:
>>>>
>>>>
>>>>> In the usual metrics prototype page:
>>>>>
>>>>>
>>>>> http://pprc.qmul.ac.uk/~lloyd/gridpp/metrics.html
>>>>>
>>>>>
>>>>> Durham does not get points for production because the HS6 factor
>>>>> for that is missing. Looking at the HS factor page:
>>>>>
>>>>>
>>>>> http://pprc.qmul.ac.uk/~lloyd/gridpp/hs06.html
>>>>>
>>>>>
>>>>> the BDII reported value is right, what is missing is the APEL
>>>>> reported value for HS06. But the APEL reported CPU time is
>>>>> there, so it is perplexing.
>>>>>
>>>>> Unless the APEL value that matters is that for analysis jobs
>>>>> even for production CPU scaling, which is missing because we
>>>>> don't do those (yet).
>>>>>
>>>>> Where can I look or what can I do?
>>>>>
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