[cctbxbb] Boost Python 1.56

Pavel Afonine pafonine at lbl.gov
Wed Apr 5 20:00:22 PDT 2017 

Not sure if that answers your questions but once upon a time we here at 
Berkeley tried to write a some sort of document that was supposed to 
answer questions like this. Attached. By no means it is complete, 
up-to-date, etc, but it might be worth reading for anyone who 
contributes to cctbx. (Even not sure if I'm sending the latest version).
Unfortunately, nobody bothered to put it in some central place.

Pavel

On 4/6/17 10:51, James Holton wrote:
> Hey Billy,
>
> On a related note. How do I run these regression tests before 
> committing something into Git? Is there a document on dials regression 
> testing I can't find?
>
> -James
>
> On Apr 5, 2017, at 3:38 PM, Billy Poon <bkpoon at lbl.gov 
> <mailto:bkpoon at lbl.gov>> wrote:
>
>> Hi all,
>>
>> I tested Boost 1.56 on our buildbot servers and got some new test 
>> failures with
>>
>> cctbx_project/scitbx/array_family/boost_python/tst_flex.py
>> cctbx_project/scitbx/random/tests/tst_random.py
>>
>> The full log for CentOS 6 can be found at
>>
>> http://cci-vm-6.lbl.gov:8010/builders/phenix-nightly-intel-linux-2.6-x86_64-centos6/builds/601/steps/test%20cctbx_regression.test_nightly/logs/stdio
>>
>> It looks like the errors are related to random number generation. For 
>> a given seed, would the sequence of numbers change when Boost is 
>> changed? I did a diff between Boost 1.56 and the current Boost and 
>> could not see any changes that immediately stood out as being related 
>> to random numbers.
>>
>> Are these tests failing for others as well?
>>
>> --
>> Billy K. Poon
>> Research Scientist, Molecular Biophysics and Integrated Bioimaging
>> Lawrence Berkeley National Laboratory
>> 1 Cyclotron Road, M/S 33R0345
>> Berkeley, CA 94720
>> Tel: (510) 486-5709
>> Fax: (510) 486-5909
>> Web: https://phenix-online.org
>>
>> On Wed, Apr 5, 2017 at 8:12 AM, Charles Ballard 
>> <charles.ballard at stfc.ac.uk <mailto:charles.ballard at stfc.ac.uk>> wrote:
>>
>>     FYI,  we (CCP4) have been using 1.56 for building
>>     cctbx/phaser/dials for the last while with no issues.  Don't know
>>     about 1.60, but 1.59 causes issues with the boost python
>>     make_getter and make_setter (initialisation of none const
>>     reference if the passed type is a temporary).
>>
>>     Charles
>>
>>     On 3 Apr 2017, at 14:31, Luc Bourhis wrote:
>>
>>>     Hi all,
>>>
>>>     everybody seemed to agree but then it was proposed to move
>>>     straight to Boost 1.60, and this caused troubles. Could we
>>>     consider again to move to at least 1.56? As far as I can tell,
>>>     this does not cause any issue and as stated one year ago, it
>>>     would help me and Olex 2.
>>>
>>>     Thanks,
>>>
>>>     Luc
>>>
>>>>     On 10 Feb 2016, at 15:17, Nicholas Sauter <nksauter at lbl.gov
>>>>     <mailto:nksauter at lbl.gov>> wrote:
>>>>
>>>>     Nigel, Billy & Aaron,
>>>>
>>>>     I completely endorse this move to Boost 1.56.  Can we update
>>>>     our build?
>>>>
>>>>     Nick
>>>>
>>>>     Nicholas K. Sauter, Ph. D.
>>>>     Computer Staff Scientist, Molecular Biophysics and Integrated
>>>>     Bioimaging Division
>>>>     Lawrence Berkeley National Laboratory
>>>>     1 Cyclotron Rd., Bldg. 33R0345
>>>>     Berkeley, CA 94720
>>>>     (510) 486-5713 <tel:%28510%29%20486-5713>
>>>>
>>>>     On Wed, Feb 10, 2016 at 2:41 PM, Luc Bourhis
>>>>     <luc_j_bourhis at mac.com <mailto:luc_j_bourhis at mac.com>> wrote:
>>>>
>>>>         Hi,
>>>>
>>>>         I have improvements to the smtbx on their way to be
>>>>         committed which require Boost version 1.56. This is related
>>>>         to Boost.Threads, whose support I re-activated a few months
>>>>         ago on Nick’s request. I need the function
>>>>         boost::thread::physical_concurrency which returns the
>>>>         number of physical cores on the machine, as opposed to
>>>>         virtual cores when hyperthreading is enabled (which it is
>>>>         by default on any Intel machine). That function is not
>>>>         available in Boost 1.55 which is the version currently used
>>>>         in the nightly tests: it appeared in 1.56.
>>>>
>>>>         So, would it be possible to move to Boost 1.56? Otherwise,
>>>>         I will need to backport that function. Not too difficult
>>>>         but not thrilling.
>>>>
>>>>         Best wishes,
>>>>
>>>>         Luc
>>>>
>>>>
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