IRC logs of #shogun for Saturday, 2014-03-22

--- Log opened Sat Mar 22 00:00:49 2014
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travis-ci[travis-ci] it's Viktor Gal's turn to pay the next round of drinks for the massacre he caused in shogun-toolbox/shogun: http://travis-ci.org/shogun-toolbox/shogun/builds/2126070102:06
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travis-ci[travis-ci] it's tklein23's turn to pay the next round of drinks for the massacre he caused in shogun-toolbox/shogun: http://travis-ci.org/shogun-toolbox/shogun/builds/2127618202:44
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shogun-buildbot_build #754 of nightly_default is complete: Failure [failed test]  Build details are at http://buildbot.shogun-toolbox.org/builders/nightly_default/builds/75403:56
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andrewdoes anyone know the repo for lapack3-dev?06:10
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@iglesiasghi jiaolong!14:37
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nikolisgalHello guys I got one question I am running fedora 20 and I have installed blas and lapack but when i run cmake looks like it doesnt find then14:39
nikolisgalhow should i proceed to resolve the issue?14:39
@iglesiasgI have never used fedora unfortunately.. but anyway14:40
@iglesiasgwhat is exactly happening when you say that cmake looks like...14:40
nikolisgalwell when running cmake i recieve -- The following OPTIONAL packages have not been found:14:41
nikolisgal * CCache14:41
nikolisgal * Mosek14:41
nikolisgal * BLAS14:41
nikolisgal * LAPACK14:41
@iglesiasgnikolisgal, how did you install blas and lapack?14:41
nikolisgalbut the thing is that lapack is no longer optional14:41
nikolisgalusing yum14:41
@iglesiasgmm ok14:41
@iglesiasgnikolisgal, is it no longer optional?14:41
nikolisgalyea14:41
nikolisgalit is not14:41
nikolisgalI am surre about it cause it also throuhs an error when compiling which baser82 told me is realated with the lapack lib missing14:42
@iglesiasgI see14:44
@wikinglapack is optional14:44
@iglesiasgI am afraid I cannot help you :(14:44
@iglesiasgthat's what I thought too about lapack14:44
@wikingthat's why cmake is not dying if it doesn't find lapak14:44
nikolisgalbasser82 told me since the last modifications it is but IDK14:44
@wiking*lapack14:44
@wikingnikolisgal: what do u mean since the last modifications?14:45
nikolisgali don't know exactly but maybe last modifications is totaly wrong but he actualy told that he was not aware of that till the day I asked him14:45
@wikingaware of what?14:46
nikolisgalthat the lapack is not optional any more14:46
@wikingnikolisgal: in your sentences you tend to miss the subject14:47
nikolisgalthe cmake does not crash but during compile time there are some errors realated with the lapack lib missing14:47
@wikingnikolisgal: well the only way to solve this is to share the errors with us14:47
nikolisgalforgive my eanglish syntax please I am trying my best14:47
@wikingit's not english syntax... it's in every language. you need to specify a subject you are writing about14:48
@wikingbut nevermind14:48
nikolisgalcool I will try to be more specific from now on14:49
@wikingwe need an error message to be able to help14:49
@wikingwe dont support linux distributions14:49
@wikingif u have fedora related questions: /join #fedora14:49
nikolisgalyea yea I will paste in google doc and share the url with you14:49
@wikingnikolisgal: pastebin.com14:50
@wikingno need for google docs14:50
nikolisgalok then http://pastebin.com/sy3dEMzj14:51
@wikingnikolisgal: what version are u trying to use?14:53
nikolisgallapack-3.4.2-3.fc20.x86_6414:53
@wikingnikolisgal: i meant: what version of shogun are you trying to use14:53
@wikingnikolisgal: and what's the reason you try to use shogun?14:54
nikolisgaltrying to contribute14:54
nikolisgalsolve an issue or something14:54
@wikingnikolisgal: you mean you want to do google summer of code or just try to join?14:54
nikolisgalboth14:54
@wikingmmm14:54
nikolisgalI will try for gsoc but I want to join anyway14:55
@wikingnikolisgal: have you sent in a proposal?14:55
nikolisgalyeap14:55
@wikingnikolisgal: for which project?14:55
nikolisgaldictionary learning14:55
nikolisgalimplementation  basic methods14:55
@wikingah yeah i see14:56
nikolisgalyou know this is not the reason I am here I know i propably wont make it to contribute in time but I want to gain this experience anyway if this is the reason you ask14:56
@wikingyour schedule is way to loose14:56
@wiking10 June – 23 June testing,documenting and optimizing the code if possible .14:57
@wiking10 days?14:57
@wikinganyhow...14:57
@wikingwhat's the version of shogun you are trying to use?14:57
nikolisgalI guess the last one I am using git clone14:57
@wikingwhich branch14:58
nikolisgalOh I see what branch should I use14:59
nikolisgal?14:59
@wikingwhich branch are you using?15:00
nikolisgaldevelop I think I am github noob sorry15:01
@wikingit's not github15:01
@wikingit's git15:01
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dhruv13jwiking: Hey! I have concerns about how to tackle the const problem after bundling nanoflann...15:07
@wikingdhruv13j: that's alright15:08
@wikingdhruv13j: do you think you have the cmake stuff ready?15:09
dhruv13jwiking: no, going through it now... is it complicated? or do i just have to do everything that's done for eigen, and mayybe look at how nanoflann does it?15:11
@wikingok so then why are u concerned now with the const15:13
@wikingif it's not even started yet15:13
dhruv13jbecause I had to change that in a lot of places within nanoflann, and maging get_lhs() is not an option... there probably is no way we could make do with the default nanoflann header15:15
dhruv13j*that's making get_lhs()15:15
dhruv13jconst15:15
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@wikingdhruv13j: and?15:17
@wikingwe really dont want to maintain that header file in our codebase15:18
@wikingso we'll find a solution15:18
@wikingof trying to have it as an external header15:18
dhruv13jis making it lean a solution?15:18
dhruv13jI mean eliminate innecessary stuff, and get rid of stl?15:19
@wikingthen we don't care about stl15:19
@wikingif it's external15:19
dhruv13jmaybe i'm just skeptical that a solution exists....15:19
@wikingno worries15:20
@wikingsomebody else will fix it15:20
dhruv13jokay, then for now i'll get along with bundling, and see if i can think of something...15:21
dhruv13jcan you maybe take a look if you are free?15:21
dhruv13jfor the solution i mean15:22
dhruv13jwiking: hey, I thought of something... I'll test it and get back...15:34
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dhruv13jwiking: would it be a good idea to set m_refcount to mutable? that way, a lot of getters can be declared const....15:44
dhruv13jwiking: I'm referring to SGRefObject.h15:44
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jiaolong_@Fernando Hi Fernando, I have seen the log, were you looking for me?16:10
jiaolong_iglesiasg: Hi Fernando, I have seen the log, were you looking for me?16:10
@iglesiasgjiaolong, Hey! Yeah, I read you are living in Barcelona, right?16:13
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jiaolong_iglesiasg: Yes, I am in UAB16:15
jiaolong_iglesiasg: Are you from Spain?16:16
@iglesiasgjiaolong, yes :)16:16
jiaolong_iglesiasg: Mucho gusto!16:17
@iglesiasgjiaolong, qué tal llevas tu español? :)16:17
jiaolong_iglesiasg: Hablo muy mal! ;)16:17
@iglesiasghaha16:17
@iglesiasgjiaolong, how long have you been living around there?16:17
jiaolong_2.5 year16:18
jiaolong_iglesiasg: Hi Fernando, one question, if I enable cmake testing in my local and passed the compiling, does it mean my code will pass the testing in Travis?16:22
@iglesiasgjiaolong_, if you are passing every test, it should16:24
jiaolong_OK, it is strange my last PR always got error on Travis16:25
jiaolong_I also tested in my local repository16:25
jiaolong_I will check if my local testing missed anything16:25
@iglesiasgjiaolong_, let me restart the build in travis16:28
jiaolong_iglesiasg: Thank you very much! Maybe it is my mistake. I will exame my code.16:29
@iglesiasgjiaolong_, the place where the error appears seems to be rather unrelated to the part you have modified, right?16:30
jiaolong_iglesiasg: Yes16:30
jiaolong_No idea where it came from16:31
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jiaolong_wiking: Hi Viktor, are you around?16:37
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thoralfHeyho.18:55
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dhruv13jwiking: Hey! Really sorry for my ignorance, I found the solution to the problem... I will work on the cmake stuff now :-)19:16
dhruv13jcd test/19:20
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andrewcmake problems: here's my dump http://pastebin.com/x0J8HXsT19:46
andrewlooking for the debian package names19:46
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lisitsynandrew: python-dev19:51
andrewbrilliant thanks!19:56
dhruv13jlisitsyn: hey! m_refcount could be mutable right? that would allow a lot of getters to be const19:57
lisitsynrefcount??19:57
dhruv13jin SGRefObject.h19:57
lisitsynyeah it is mutable19:57
dhruv13jlisitsyn: it should be, it's not right now...19:58
lisitsynI don't get it19:58
lisitsynah no19:58
lisitsynit is not mutable19:58
lisitsynits a pointer to some refcount data19:58
dhruv13jhmm... a lot of the getters are not const because of SG_UNREF()... if RefCount::rc is mutable, they can be changed to const right?20:02
lisitsynprobably20:02
dhruv13jcool! maybe something to look into, since getters may be used in a const context20:04
dhruv13jnot a big deal actually, was just wondering...20:05
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andrewbuild succesful! =D21:47
andrewwhere does shogun get installed to by default after make install?21:48
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lisitsynandrew: /usr/local/include for headers22:07
lisitsynand /usr/local/bin for shared library22:07
lisitsynand some folder I don't remember exactly for python thing22:08
kislaylisitsyn,  hey hi. please provide me some pointers to understand how an optional dependency is added to shogun?22:09
lisitsynkislay: yeah sure22:09
lisitsynkislay: I guess you mean dependency on some library?22:10
kislayyup, like we want opencv integration .22:11
kislayso optional dependency22:11
lisitsynkislay: you'd need some cmake snippet that detects library presence22:11
lisitsynsee cmake directory22:12
lisitsynthen just add some find_package and etc22:12
lisitsynto CMakeLists.txt22:12
lisitsynjust check e.g. how mosek is handled22:13
kislayA bunch of code like IF(_HAS_OPENCV) ?22:13
lisitsynyes22:13
lisitsyn510 FIND_PACKAGE(Mosek)22:13
lisitsyn511 IF (MOSEK_FOUND)22:13
lisitsyncopied from cmakelists.txt22:14
kislaygot it :)22:14
kislayso, in all...we 2 steps.22:14
kislaylisitsyn, 510 to 516, anything except these or just these lines are enough?22:16
kislayfor any package.22:16
lisitsynshould be enough if no special cases are handled22:17
kislaylisitsyn, ok. got it :). And yeah, one more thing. What does it exactly means to say that we want to create a factory that do...blah blah..?22:20
kislayIs it some design pattern thing.22:20
lisitsynI am not sure what is it you're talking about but probably the meaning is that you said yeah22:20
lisitsynlike a function that creates some objects22:21
lisitsynor an object that is capable of creating new objects22:21
kislayI searched quite a lot on net. It's a way in which we can handle addition of new types without disturbing other codes.22:21
andrewokay i'm confused. /usr/local/include and /usr/local/bin are emtpy. I ran cmake with flag _DCMAKE_INSTALL_PREFIX = "$BUILDDIR/install22:23
andrewecho $BUILDDIR returns a blank line, so maybe that's my problem?22:23
lisitsynandrew: did you do 'sudo make install'?22:24
andrewyeah22:25
lisitsynandrew: ahh but why did you changed that install prefix?22:26
lisitsynit is quite ok by default22:26
lisitsynin this case you probably installed it to the build directory22:26
andrewi was following some install doc which I can't find anymore. It suggested for developers to run cmake -DCMAKE_BUILD_TYPE=Debug -DENABLE_TESTING=ON -DTRACE_MEMORY_ALLOCS=OFF -DPythonModular=ON -DBUILD_DASHBOARD_REPORTS=ON -DCMAKE_INSTALL_PREFIX="$BUILDDIR/install"22:31
kislaylisitsyn, hey, thanks :). I hope to come up with some substantial work.22:32
andrewin any case I can't seem to find my installation anywhere, but it might be fruitful just to take this newfound wisdom and build it from scratch again22:32
lisitsynandrew: yeah forget about prefix ;)22:32
lisitsynandrew: you may basically start with -DPythonModular=ON22:33
lisitsynothers are not really necessary for you right now22:33
andrewokay thanks.22:34
kislayandrew,  Yup. I added just this one thing -DPythonModular=ON with cmake.22:34
kislayandrew, things are up and working since then :)22:34
andrewwhat version am I wanting to install? Previously i built 3.1.122:36
andrewI'm guessing the develop branch?22:38
kislayandrew, yup22:38
kislayandrew, fork it. then from there clone it.22:39
lisitsynandrew: 3.1.1 doesn't sound like a develop ;)22:39
kislayno. Thats the last stable version out there for public.22:40
andrewbaby steps :)22:40
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kislayandrew,  Once cloned, just make a folder named build by yourself. go inside it in command line and type "cmake -DPythonModular=ON .."22:48
kislayandrew, I did this myself and got no problems so far.22:49
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-!- thoralf [~thoralf@91-65-136-194-dynip.superkabel.de] has joined #shogun23:54
thoralfHuhu.23:54
-!- andrew___ [~andrew@173-13-178-36-sfba.hfc.comcastbusiness.net] has quit [Ping timeout: 265 seconds]23:57
--- Log closed Sun Mar 23 00:00:50 2014

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