[ADMB Users] 4 Gb limits
John Sibert
sibert at hawaii.edu
Mon Nov 21 11:21:59 PST 2011
Thanks, Mollie. That is good news. We'll see what the buildbot has to say.
John
On 11/21/2011 08:50 AM, Mollie Brooks wrote:
> I installed the new version on my Mac and both
>
>>>>>> simple -cbs 4294967295
>>>>>> simple -cbs 4294967296
> work fine.
>
> Mollie
>
> Mollie Brooks
> Ph.D. Candidate
> NSF IGERT Fellow
> Biology Department
> University of Florida
> mbrooks at ufl.edu
> http://people.biology.ufl.edu/mbrooks
>
>
>
>
> On 21 Nov 2011, at 12:37 PM, John Sibert wrote:
>
>> OK. got rid of initialization loop altogether. It works find with simpe -cbs 4294967296 and much larger values, too. Committed the code, revision 199, but it needs to be tested with other compilers.
>>
>> John
>>
>> On 11/21/2011 06:20 AM, dave fournier wrote:
>>> On 11-11-20 03:21 PM, John Sibert wrote:
>>>
>>> I don;t think it is needed now. I think it was just during development looking for errors.
>>>
>>>> Hi Alan,
>>>> The problem seems to be in this initialization loop in df_file.cpp Adding the additional #ifdef seems to allow the program to execute.
>>>>
>>>> Dave, is this initialization really necessary? It takes a long time for sz>4Gb (at least on the test machine).
>>>>> #ifdef __BORLANDC__
>>>>> for (unsigned int i=0;i<sz;i++)
>>>>> #else
>>>>> for (long long int i=0;i<sz;i++)
>>>>> #endif
>>>>> {
>>>>> buff[i]='\0';
>>>>> }
>>>> Also I noticed (rather the compiler noticed) a discrepancy in the following two declarations:
>>>>> df_file.cpp: extern char ad_random_part[6];
>>>>> gradstrc.cpp: extern char ad_random_part[7];
>>>> Which is correct?
>>> Looking at the code
>>>
>>> void fill_ad_random_part(void)
>>> {
>>> /*
>>> time_t t,tt;
>>> time(&t);
>>> tt=t;
>>> int div=1;
>>> for (int i=0;i<6;i++)
>>> {
>>>
>>> ad_random_part[i]=(tt/div)%10+48;
>>> div*=10;
>>> }
>>> */
>>> }
>>>
>>> It seems that it is not used any more but it did use [6]
>>>
>>>
>>>> I will commit the changes eventually.
>>>>
>>>> Cheers,
>>>> John
>>>>
>>>>
>>>> On 11/20/2011 08:39 AM, Allan.Hicks at noaa.gov wrote:
>>>>> Hi John,
>>>>>
>>>>> I have a couple of thoughts, probably of which you have already taken
>>>>> care of. But, here goes:
>>>>>
>>>>> 1) Make sure that you are using ADMB 10.1. I noticed that the inputs
>>>>> were still long int in version 10.0.
>>>>>
>>>>> 2) Make sure that AMB10.1 is compiled as 64-bit. I noticed that there
>>>>> are no 64-bit downloads on the website for ADMB 10.1 in Linux. I also
>>>>> could not find 64-bit executables for Linux gcc on Buildbot (I see a
>>>>> 64-bit version for gcc 4.5 has been successfully built, but I do not see
>>>>> executables). But, given that you are using gcc 4.6, you probably
>>>>> compiled it yourself, but I just wanted to make sure.
>>>>>
>>>>> 3) You may want to try setting the cbs value in the tpl file, just to
>>>>> make sure that there is no issue with the reading in from the command line.
>>>>>
>>>>> If these aren't the answer, I'm not exactly sure where the problem is.
>>>>> Because it is at the exact breaking point of an unsigned long int
>>>>> (2^32-1 is the maximum) then I imagine that there is something in the
>>>>> code that is declared as an unsigned long int and there is a conversion
>>>>> issue. This is a bit over my head, and you warned me a while ago that
>>>>> converting to 64-bit is not as straightforward as simply changing some
>>>>> declarations.
>>>>>
>>>>> In the meantime, I will try to compile ADMB 10.1 in Linux 64-bit and see
>>>>> if I can reproduce your issue and investigate it further.
>>>>>
>>>>> Sorry that I can't be of more help,
>>>>> Allan
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> ----- Original Message -----
>>>>> From: John Sibert<sibert at hawaii.edu>
>>>>> Date: Saturday, November 19, 2011 6:31 pm
>>>>> Subject: Re: [ADMB Users] 4 Gb limits
>>>>>
>>>>>> Nope. The value of the option behind -cbs is declared as a long
>>>>>> long
>>>>>> int. See nh99/xmodelm3.cpp.
>>>>>>
>>>>>> Ian Taylor and Alan Hicks resolved this issue for -gbs.
>>>>>>
>>>>>> John
>>>>>>
>>>>>>
>>>>>>
>>>>>> On 11/19/2011 03:57 PM, Weihai Liu wrote:
>>>>>>> I would guess the size for cbs was defined as an unsigned long,
>>>>>> which
>>>>>>> is 32 bit, its range 0 to 4294967295, so 4294967296 will be just
>>>>>> out
>>>>>>> of range, although it = 2^32.
>>>>>>>
>>>>>>>
>>>>>>> weihai
>>>>>>>
>>>>>>> On Sat, Nov 19, 2011 at 8:23 PM, John Sibert<sibert at hawaii.edu
>>>>>>> <mailto:sibert at hawaii.edu>> wrote:
>>>>>>>
>>>>>>> Using simple.tpl
>>>>>>>
>>>>>>> simple -cbs 4294967295 works fine
>>>>>>> simple -cbs 4294967296 hangs
>>>>>>>
>>>>>>> ubuntu 11.10, 64 bit, 32Gb RAM, gcc 4.6.1
>>>>>>>
>>>>>>> Any thoughts?
>>>>>>> John
>>>>>>>
>>>>>>> --
>>>>>>> John Sibert
>>>>>>> Emeritus Researcher, SOEST
>>>>>>> University of Hawaii at Manoa
>>>>>>>
>>>>>>> Visit the ADMB project http://admb-project.org/
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Users mailing list
>>>>>>> Users at admb-project.org<mailto:Users at admb-project.org>
>>>>>>> http://lists.admb-project.org/mailman/listinfo/users
>>>>>>>
>>>>>>>
>>>>>> --
>>>>>> John Sibert
>>>>>> Emeritus Researcher, SOEST
>>>>>> University of Hawaii at Manoa
>>>>>>
>>>>>> Visit the ADMB project http://admb-project.org/
>>>>>>
>>>>>> _______________________________________________
>>>>>> Users mailing list
>>>>>> Users at admb-project.org
>>>>>> http://lists.admb-project.org/mailman/listinfo/users
>>>>>>
>>>
>> --
>> John Sibert
>> Emeritus Researcher, SOEST
>> University of Hawaii at Manoa
>>
>> Visit the ADMB project http://admb-project.org/
>>
>> _______________________________________________
>> Users mailing list
>> Users at admb-project.org
>> http://lists.admb-project.org/mailman/listinfo/users
>>
>
--
John Sibert
Emeritus Researcher, SOEST
University of Hawaii at Manoa
Visit the ADMB project http://admb-project.org/
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