[mpich-discuss] Fwd: [mpich2-maint] #754: very slow build on Mac OS-X

[Barry Smith]

Begin forwarded message:

> From: Barry Smith <bsmith at mcs.anl.gov>
> Date: January 29, 2010 3:31:52 PM CST
> To: mpich2-maint at mcs.anl.gov
> Subject: Re: [mpich2-maint] #754: very slow build on Mac OS-X
> Reply-To: Satish Balay <balay at mcs.anl.gov>
>
>
>   MPICH still takes forever to build the libraries on my Apple.  You  
> obviously did not accept my advise.
>
>   Barry
>
> On Jul 28, 2009, at 4:49 PM, mpich2 wrote:
>
>> #754: very slow build on Mac OS-X
>> ---------------------------------------------- 
>> +-----------------------------
>> Reporter:  Barry Smith <bsmith@…>            |       Owner:
>>    Type:  defect                            |      Status:  new
>> Priority:  major                             |   Milestone:
>> Component:  mpich2                            |    Keywords:
>> ---------------------------------------------- 
>> +-----------------------------
>> {{{
>>
>>
>>   MPICH-2 has a very long build time on Mac OS-X.
>>
>>   I decreased the basic build time for PETSc from about 9 minutes to
>> 2 minutes by using the following flags for ar Scq when it is  
>> compiling
>> source and putting it into libraries.
>> Updating the symbol table apparently takes forever on the Mac. Likely
>> this will have a similar effect on MPICH-2.
>>
>>    Barry
>>
>>
>>
>> }}}
>>
>> -- 
>> Ticket URL: <http://trac.mcs.anl.gov/projects/mpich2/ticket/754>
>> mpich2 <http://trac.mcs.anl.gov/projects/mpich2>
>>
>