Re: st: STATA 12 very slow compared to STATA 10

[Sara Borelli <saraborelli77@gmail.com>]

thank you, Rebecca

On Tue, Mar 12, 2013 at 10:24 AM, Rebecca Pope <rebecca.a.pope@gmail.com> wrote:
> Sara,
> Without commenting on your code, did you check to see if your company
> update included a Stata flavor change as well? In particular, did they
> go from Stata 10/MP to Stata 12/SE? It wouldn't be the first time a
> purchasing department didn't think about the consequence of their
> money-saving decision...
>
> Regards,
> Rebecca
>
> On Tue, Mar 12, 2013 at 8:40 AM, Sara Borelli <saraborelli77@gmail.com> wrote:
>> Hi Martin
>> you are right, I did not ask the question correctly. I thought there
>> was maybe a common problem for STATA 12 being slow in general that
>> others might have encountered. I apologize for that
>>
>> I write here below an extract of the program I am running. If you have
>> any insight of what is going wrong I would really appreciate it. I
>> also tried to run the entire program using "version 10" at the
>> beginning of the do file, but it is still very slow
>> I let the program run all night but is still not done. When I was
>> using STATA 10 it was taking only 15 minutes overall
>>
>>
>> before this "mat define" command line I am running some glm estimation
>> that works at usual speed
>>
>> mat define P=J(618,1,.)
>>
>> set seed 55982264
>>
>> forvalues x=1/500 {
>>
>> mat define BS_r`x'=J(618,1,.)
>>
>> use data1
>> for each var of varlist v1 v2 v3 v4 ....v10 {
>> bsample
>> mkmat `var', mat(Z_`var'_r`x')
>> mat BS_r`x'=BS_r`x',Z_`var'_r`x'
>> }
>> drop v1-v10
>> svmat BS_r`x', names(col)
>> gen id=_n
>> save BS_r`x', replace
>>
>> use data2, clear
>> gen id=_n
>> mmerge id using BS_r`x'
>> save replication `x'
>> predict prediction`x'
>> mkmat prediction`x', mat(P_`x')
>> mat P=P, P_`x'
>> }
>>
>> It seem to run smoothly until the "predict", but seems to get slow at
>> the time of running the command  mkmat prediction`x', mat(P_`x')
>>
>> thanks for any insight you might have
>>
>> Sara
>>
>>
>>
>> On Tue, Mar 12, 2013 at 5:56 AM, Maarten Buis <maartenlbuis@gmail.com> wrote:
>>> On Mon, Mar 11, 2013 at 10:11 PM, Sara Borelli wrote:
>>>> some time ago I wrote a do file to perform sampling and other data
>>>> manipulations, data matrix operations and so. <snip>
>>>> My company switched to STATA 12 recently, and it is taking one hour
>>>> only for the first 100 replications.
>>>> Does anyone has any idea of what may be slowing things down so much?
>>>
>>> Try to imagine you are someone who wants to answer your question. What
>>> that persons sees is: I did some stuff and it is slower in Stata 12
>>> than in Stata 10, why? What would your answer be? My answer is: it
>>> depends on what "stuff" is.
>>>
>>> -- Maarten
>>>
>>> ---------------------------------
>>> Maarten L. Buis
>>> WZB
>>> Reichpietschufer 50
>>> 10785 Berlin
>>> Germany
>>>
>>> http://www.maartenbuis.nl
>>> ---------------------------------
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