[Developers] New script options - THE TIMES WERE IN MINUTES

[dave fournier]

On 13-04-01 05:31 AM, Larry Jacobson (NOAA Federal) wrote:

I would like to see this code. Someone must be doing something stupid.



>
> On 4/1/2013 8:14 AM, Larry Jacobson (NOAA Federal) wrote:
>> Arni-
>>
>> 1) Here are some results using the Microsoft compilerand University 
>> of Maine model on my humble desktop.  I paste them in below and 
>> attach a pdf as well.
>>
>> 2) Note that I was not able to compile with -g (I had to stop it 
>> after 66 hrs).
>>
>> 3) Isill try to do this in Linux today (we have some servers that are 
>> supposed to be very fast).
>>
>> 4) If it helps, I can send you the model code and data but you will 
>> have to remember that I didn't write it...
>>
>> Cheers!
>>
>>
>>
>>
>>
>> On 3/28/2013 1:23 PM, Arni Magnusson wrote:
>>> Safe compilation will be the default in all scripts, and that 
>>> default will carry over to ADMB-IDE.
>>>
>>> The idea was to introduce a new option -o to explicitly build an 
>>> optimized model. So "admb -o simple" would do exactly what the 
>>> scripts do today, and "admb -s simple" would be equivalent to "admb 
>>> simple".
>>>
>>> I don't have a model that takes long to build, but can someone 
>>> benchmark this:
>>>
>>>                       Build time | Executable size | Run time
>>>   admb bigmodel
>>>   admb -s bigmodel
>>>   admb -g bigmodel
>>>   admb -g -s bigmodel
>>>
>>> The results will help us decide how the compilation scripts should 
>>> work. For example, we could have safe compilation turn off the -O3 
>>> optimization - like Ian suggests. In this way, safe compilation 
>>> would be safe (checking array bounds) and also build fast. Sounds 
>>> like a reasonable default while developing a model.
>>>
>>> It's tempting to keep the script UI simple and couple together 
>>> functionality (bounds, optimization, libraries, debug) that would be 
>>> sensible to use together. I think this coupling should be based on 
>>> the results from the above benchmark.
>>>
>>> Arni
>>>
>>>
>>>
>>> On Thu, 28 Mar 2013, Ian Taylor - NOAA Federal wrote:
>>>
>>>> Hi Developers,
>>>>
>>>> I know it's not that helpful for folks like me to make suggestions 
>>>> that they're not skilled enough to implement, but how hard would it 
>>>> be for ADMB to add a -o option that would turn on or off the -O3 or 
>>>> -Ox? And wasn't -s going to become the default at some point, or 
>>>> was the only proposed change the one that Arni to set this as 
>>>> default in the IDE?
>>>>
>>>> -Ian
>>>>
>>>>
>>>>
>>>> On Thu, 28 Mar 2013, Larry Jacobson wrote:
>>>>
>>>>> Sorry, my original note summarizing approaches to reducing compile 
>>>>> time for ADMB using the MinGW or Visual C++ 2010 Express 
>>>>> compilersin Windows left out 3 important items.  Unfortunately, 
>>>>> one cannot recompile e-mails.
>>>>>
>>>>> In any case:
>>>>>
>>>>> 1) Optimization is turned off using the MinGW compiler by changing 
>>>>> line line sym=-O3 in adcomp.bat so that it reads sym=-O.
>>>>>
>>>>> 2) Optimization is turned off using the Microsoft compiler by 
>>>>> omitting -Ox from the first call to the compiler.  That is, use:
>>>>>
>>>>>> cl -c /EHsc -DUSE_LAPLACE -DWIN32 %opt% -D__MSVC32__=8 -I. 
>>>>>> -I"%ADMB_HOME%"\include -I"%ADMB_HOME%"\contrib %1.cpp
>>>>>>
>>>>> instead of:
>>>>>
>>>>>> cl -c /EHsc -DUSE_LAPLACE -DWIN32 %opt% /Ox -D__MSVC32__=8 -I. 
>>>>>> -I"%ADMB_HOME%"\include -I"%ADMB_HOME%"\contrib %1.cpp
>>>>>
>>>>> 3) The popular IDE for Windows uses the MinGW compilerwith a 
>>>>> slightly different adcomp.bat file that is probably in a directory 
>>>>> named something like C:\admb\admb101-gcc452-win32\**bin. To turn 
>>>>> off optimization in the IDE, change theline sym=-O3 in adcomp.bat 
>>>>> so that it reads sym=-O(same as #1).  See Arni's note belowand an 
>>>>> additional one from John Sibert below Arni's.
>>>>>
>>>>> Cheers!
>>>>>
>>>>>  Hi Larry,
>>>>
>>
>