IRC logs of #shogun for Saturday, 2012-07-14

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--- Log opened Sat Jul 14 00:00:17 2012
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shogun-buildbotbuild #22 of nightly_none is complete: Failure [failed compile]  Build details are at http://www.shogun-toolbox.org/buildbot/builders/nightly_none/builds/2203:01
shogun-buildbotbuild #28 of nightly_default is complete: Failure [failed compile]  Build details are at http://www.shogun-toolbox.org/buildbot/builders/nightly_default/builds/2803:04
shogun-buildbotbuild #18 of nightly_all is complete: Failure [failed compile]  Build details are at http://www.shogun-toolbox.org/buildbot/builders/nightly_all/builds/1803:07
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CIA-18shogun: Evgeniy Andreev master * rd450473 / (3 files in 2 dirs): fixed warnings and bugs - http://git.io/8Q_FyA08:08
CIA-18shogun: Evgeniy Andreev master * rcc22b2c / (2 files): added buffer protocol example - http://git.io/4ZpCBw08:08
CIA-18shogun: Soeren Sonnenburg master * r5068d3e / (5 files in 3 dirs): Merge pull request #646 from gsomix/buffer_protocol - http://git.io/LS3WcA08:08
shogun-buildbotbuild #139 of deb3 - modular_interfaces is complete: Failure [failed compile ruby_modular]  Build details are at http://www.shogun-toolbox.org/buildbot/builders/deb3%20-%20modular_interfaces/builds/139  blamelist: Evgeniy Andreev <gsomix@gmail.com>08:20
shogun-buildbotbuild #140 of deb3 - modular_interfaces is complete: Failure [failed compile ruby_modular]  Build details are at http://www.shogun-toolbox.org/buildbot/builders/deb3%20-%20modular_interfaces/builds/140  blamelist: Evgeniy Andreev <gsomix@gmail.com>, Soeren Sonnenburg <sonne@debian.org>08:31
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gsomixgood morning09:02
gsomixsonney2k, around?09:02
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n4nd0blackburn: I mentioned you yesterday in my blog :)11:54
blackburnn4nd0: cool, what did I do? ;)11:55
n4nd0blackburn: you helped me to find the memory leaks11:55
blackburnahh11:55
n4nd0with the GCDEBUG suggestion ;)11:55
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CIA-18shogun: Sergey Lisitsyn master * r3523a55 / (3 files): Get rid of wrong SGReferencedData based assignment when using CMap - http://git.io/frmWAg12:36
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shogun-buildbotbuild #141 of deb3 - modular_interfaces is complete: Failure [failed compile ruby_modular]  Build details are at http://www.shogun-toolbox.org/buildbot/builders/deb3%20-%20modular_interfaces/builds/141  blamelist: Sergey Lisitsyn <lisitsyn.s.o@gmail.com>12:45
CIA-18shogun: Evgeniy Andreev master * rccb9c80 / (4 files in 2 dirs): fixed compile error, buffer stuff now is in typemaps - http://git.io/ehLzyg13:20
CIA-18shogun: Sergey Lisitsyn master * rb3303c6 / (4 files in 2 dirs): Merge pull request #647 from gsomix/buffer_protocol - http://git.io/XqcOMg13:20
shogun-buildbotbuild #39 of bsd1 - libshogun is complete: Failure [failed compile]  Build details are at http://www.shogun-toolbox.org/buildbot/builders/bsd1%20-%20libshogun/builds/39  blamelist: Sergey Lisitsyn <lisitsyn.s.o@gmail.com>13:34
n4nd0blackburn: around?13:37
blackburnyeah13:37
n4nd0does this look weird to you? http://pastebin.com/832RHTKQ13:38
n4nd0it segfaults13:38
n4nd0I don't really understand why13:38
blackburnsure13:38
blackburnyou need to do13:38
n4nd0what is it?13:38
blackburnfor (int32_t i=0; i<new_num_cols; i++) new (&out[i]) SGMatrix<T>();13:39
blackburnbefore setting matrices13:39
n4nd0oh13:39
blackburnn4nd0: you allocate memory for matrices but reference counts are not allocated13:39
blackburnand when you try to do =13:39
n4nd0yeah13:40
blackburnit tries to free up matrix created before13:40
blackburnhaving no reference count allocated at all it kabooms13:40
n4nd0aham13:40
n4nd0mmm13:40
n4nd0but could the operator check if there is something allocated beforing trying to free up?13:40
n4nd0the operator= I mean13:41
n4nd0beforing = before ^ ....13:41
blackburnI am not sure it would work anyway13:42
n4nd0blackburn: do you mean with the new (&out[i]) SGMatrix<T>();?13:42
blackburnno, some check in =13:42
n4nd0what does new (&out[i]) SGMatrix<T>() exactly do anyway?13:43
blackburninplace new13:44
n4nd0I don't think I get what the part (&out[i]) does13:44
blackburnit is a pointer you use13:44
n4nd0inplace? ok I am going to read about it :)13:44
blackburnit acts just like 'new' operator but exactly to &out[i] and not to some new piece of memory13:44
n4nd0I see13:45
blackburnin normal way it allocates object somewhere and returns a pointer13:45
n4nd0interesting13:45
blackburnbut here we control where to place a pointer13:45
blackburnargh13:45
blackburnnot pointer object I mean13:45
n4nd0ok13:46
shogun-buildbotbuild #142 of deb3 - modular_interfaces is complete: Failure [failed test python_modular]  Build details are at http://www.shogun-toolbox.org/buildbot/builders/deb3%20-%20modular_interfaces/builds/142  blamelist: Evgeniy Andreev <gsomix@gmail.com>13:56
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blackburnsonney2k: I want to cut all the optimization abilities outdated stuff in configure14:07
blackburnit is really outdated - just noticed it forces to use nocona here - my cpu is corei7-avx14:07
shogun-buildbotbuild #143 of deb3 - modular_interfaces is complete: Failure [failed test python_modular]  Build details are at http://www.shogun-toolbox.org/buildbot/builders/deb3%20-%20modular_interfaces/builds/143  blamelist: Sergey Lisitsyn <lisitsyn.s.o@gmail.com>14:25
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n4nd0blackburn: I have read that after using an inplace constructor one shouldn't call delete to free the memory used but the destructor directly14:48
n4nd0blackburn: do you recognize that?14:48
blackburnn4nd0: yeah14:48
n4nd0so no SG_UNREF14:48
blackburnyeah forgot to say that14:54
blackburnn4nd0: well actually we kinda emulate new[] and delete[]15:01
n4nd0blackburn: delete with SG_UNREF but new?15:01
blackburnn4nd0: no I mean SG_MALLOC + inplace new = new []15:01
blackburnand explicitly call dtors and SG_FREE is delete []15:02
n4nd0blackburn: so I could just use new[]?15:02
blackburnn4nd0: yeah may be :D15:02
blackburnnew[] is not tracked unfortunately15:03
n4nd0blackburn: something line new SGMatrix<T>(num_rows, num_cols)[num]15:03
n4nd0?15:03
blackburnyeah that should work too15:03
n4nd0what do you mean with that it is not tracked?15:04
blackburnsg_trace_mallocs thing won't work15:04
n4nd0I don't follow you15:05
blackburnn4nd0: we have --enable-trace-mallocs option for configure15:05
blackburnthat stores all SG_MALLOCs in map15:05
blackburnand if something is not freed on exit15:05
blackburnit will output15:06
n4nd0I see15:06
n4nd0this new SGMatrix<T>(num_rows, new_num_cols)[num_components] didn't make the trick15:09
n4nd0compile error15:09
blackburnbad15:12
blackburnthen use that trick :D15:12
n4nd0which one?15:12
blackburnSG_MALLOC + inplace new + explicit dtors + SG_FREE15:13
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n4nd0hey guys18:46
n4nd0I just updated master and I am getting18:46
n4nd0modshogun_wrap.cxx.o: In function `LongIntFeatures_getbuffer':18:46
n4nd0/home/nando/Documents/shogun/shogun/src/interfaces/python_modular/modshogun_wrap.cxx:339264: undefined reference to `shogun::CDenseFeatures<long>::get_feature_matrix(int&, int&)'18:46
n4nd0modshogun_wrap.cxx.o: In function `ULongIntFeatures_getbuffer':18:46
n4nd0/home/nando/Documents/shogun/shogun/src/interfaces/python_modular/modshogun_wrap.cxx:340564: undefined reference to `shogun::CDenseFeatures<unsigned long>::get_feature_matrix(int&, int&)'18:46
n4nd0is it something local?18:47
gsomixn4nd0, strange18:55
gsomixit's my code18:56
n4nd0gsomix: aham, do you get it too locally?18:56
gsomixn4nd0, "locally". what do you mean? this stuff is in swig_typemaps.i19:00
gsomixn4nd0, try make clean, hm19:00
n4nd0yeah I did ig19:11
n4nd0I meant locally in your machine19:12
n4nd0gsomix: I don't think this is happening in the buildbot since python_modular compiles19:13
n4nd0my version of swig is SWIG Version 2.0.419:13
n4nd0gsomix: can that be a problem?19:13
gsomixn4nd0, I use swig 2.0.4 so.19:14
n4nd0mmmm19:14
gsomixn4nd0, may be a problem in the order of include files. I need to check.19:17
n4nd0ok19:17
n4nd0gsomix: let me know if you find something please19:17
gsomixok19:17
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gsomixn4nd0, it seems that it's all right.19:30
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n4nd0gsomix: mmm ok19:38
n4nd0I have run make clean, configure and I am compiling again19:39
n4nd0let's see19:39
gsomix??19:40
gsomix*ok19:40
n4nd0:)19:42
gsomixn4nd0, ?19:43
n4nd0still failing19:50
n4nd0shit19:50
n4nd0blackburn: any idea?19:51
n4nd0modshogun_wrap.cxx.o: In function `LongIntFeatures_getbuffer':19:51
n4nd0/home/nando/Documents/shogun/shogun/src/interfaces/python_modular/modshogun_wrap.cxx:339259: undefined reference to `shogun::CDenseFeatures<long>::get_feature_matrix(int&, int&)'19:51
n4nd0modshogun_wrap.cxx.o: In function `ULongIntFeatures_getbuffer':19:51
n4nd0/home/nando/Documents/shogun/shogun/src/interfaces/python_modular/modshogun_wrap.cxx:340559: undefined reference to `shogun::CDenseFeatures<unsigned long>::get_feature_matrix(int&, int&)'19:51
gsomixn4nd0, only Long and ULong features?19:51
n4nd0it seems so19:51
n4nd0gsomix: does it give any clue?19:52
@sonney2kblackburn, grab the latest sources from mplayer and merge the changes to detect your cpu in configure  - the stuff is not really outdated!19:55
gsomixsonney2k, \(^_^)/19:57
@sonney2kgsomix, can you just add a try except NameError around your memoryview expression to fix the buffer proto example?19:57
@sonney2khttp://shogun-toolbox.org/buildbot/builders/deb3%20-%20modular_interfaces/builds/143/steps/test%20python_modular/logs/stdio19:57
@sonney2kgsomix, ^ that is stil failing19:58
@sonney2kgsomix, hi there19:58
gsomixsonney2k, yeah, memoryview introduced only in python2.719:58
gsomixI'll fix it, one moment19:59
n4nd0sonney2k: hi, do you happen to know why can this be caused? http://pastebin.com/D3Wmv2LT19:59
n4nd0it looks that it compiles ok in the buildbot but not in my machine20:00
blackburnre20:02
@sonney2kn4nd0, also compiles fine here btw20:03
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@sonney2kn4nd0, maybe one test before we dig deeper20:03
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@sonney2kn4nd0, do git clean -dfx (but make sure you have no uncommitted stuff)20:04
@sonney2kthen recompile20:04
n4nd0untracked files are no problem right?20:04
n4nd0sonney2k: they won't disappear, will they?20:04
@sonney2kn4nd0, this error cannot really happen except if you do ./configure --datatypes= ... and then add some custom stuff there20:05
@sonney2kn4nd0, they disappear20:05
@sonney2keverything that is not tracked will be gone20:05
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blackburn1(09:55:50 PM) sonney2k: blackburn, grab the latest sources from mplayer and merge the changes to detect your cpu in configure  - the stuff is not really outdated! --------- why to detect it?20:06
n4nd0sonney2k: they didn't disappear ;)20:06
@sonney2kblackburn1, because on some archs / machines it helps to get faster code20:07
blackburn1sonney2k: native goes to correct march on my machine20:07
@sonney2kn4nd0, are these in .gitignore perhaps?20:07
n4nd0sonney2k: no, otherwise they won't appear as untracked when doing git status20:07
@sonney2kn4nd0:20:08
@sonney2ktouch shogun/lib/bla.cpp20:08
@sonney2kgit status20:09
@sonney2k#20:09
@sonney2k# Untracked files:20:09
@sonney2k#shogun/lib/bla.cpp20:09
@sonney2kgit clean -dfx20:09
@sonney2kRemoving shogun/lib/bla.cpp20:09
n4nd0:O20:09
@sonney2kn4nd0, anyways - compile and let us know if the error appears again20:10
n4nd0sonney2k: it didn't remove mines under examples/undocumented/libshogun and python_modular20:10
blackburn1sonney2k: echo 'int main(){return 0;}' > test.c && gcc -v -Q -march=native -O3 test.c -o test && rm test.c test20:10
n4nd0sonney2k: ok, copilation on the way right now20:10
blackburn1n4nd0: could you please do ^ too?20:10
blackburn1and check -march parameter20:10
n4nd0blackburn1: what do you meaan with check?20:11
blackburn1n4nd0: in output there will be -march=something20:11
n4nd0 -march=core2 -mcx16 -msahf -mno-movbe -mno-aes -mno-pclmul -mno-popcnt20:12
blackburn1aham thanks20:12
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blackburnsonney2k: I am pretty sure native detects right march20:12
n4nd0sonney2k: still, compilation error20:13
n4nd0sonney2k: it didn't remove those files because I was not in a root directory of their path20:19
n4nd0sonney2k: they were in shogun/examples/undocumented/...20:19
n4nd0sonney2k: I was in shogun/src20:19
n4nd0now doing git clean -dfx from shogun/ removed them20:19
gsomixsonney2k, fixed, I also removed ctypes from  buffer protocol code.20:24
@sonney2kk20:26
n4nd0bah, the error is still there :(20:27
blackburndoes anybody here use guake?20:31
n4nd0blackburn: I installed it when you told me about it, but I don't use it much to tell the truth20:32
@sonney2kblackburn, march=core220:32
n4nd0I am loyal to my terminator :)20:32
blackburnsonney2k: wrong?20:32
@sonney2kn4nd0, I don't get why it happens20:32
CIA-18shogun: Evgeniy Andreev master * r4ef2573 / (3 files in 3 dirs): minor fixes for buffer protocol - http://git.io/m102Jg20:32
CIA-18shogun: Sergey Lisitsyn master * r1ab1290 / (3 files in 3 dirs): Merge pull request #648 from gsomix/buffer_protocol - http://git.io/QDoZ4g20:32
gsomixn4nd0, try again20:32
blackburnn4nd0: I patched it today to display current dir in tab name20:33
@sonney2kblackburn, no correct20:33
n4nd0blackburn: nice20:33
n4nd0gsomix: let's see20:33
blackburnsonney2k: so currently march=native produces correct arch for you, me, gsomix and n4nd020:34
@sonney2kblackburn, sure20:34
blackburnI am pretty sure it would work for anything else20:34
blackburnwhy to do that then?20:34
@sonney2kblackburn, not all gccs have that20:34
blackburnsonney2k: well I see no reason to use <4.3 now20:35
blackburnwe force to use latest swig anyway20:35
gsomixsonney2k, btw, I'm working today on arithmetic operators stuff. it's works for all classes with buffer.20:36
gsomixDenseFeatures+=<class with buffer>, I mean20:36
blackburnis it possible to DenseFeatures+=SparseFeatures?20:37
gsomixtrying to hacks it in shogun20:37
gsomixblackburn,20:37
gsomixhm20:37
gsomixyep, if SparseFeatures will return as a matrix of values in buffer20:38
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n4nd0good gsomix! you fixed it :)20:44
gsomix.___.20:44
n4nd0gsomix, blackburn, sonney2k problem solved!20:44
n4nd0gsomix: what was it then?20:44
n4nd0python version?20:44
gsomixn4nd0, I dunno lol. I just removed ctype (like unsigned long), because we have int64...20:45
shogun-buildbotbuild #40 of bsd1 - libshogun is complete: Success [build successful]  Build details are at http://www.shogun-toolbox.org/buildbot/builders/bsd1%20-%20libshogun/builds/4020:45
n4nd0gsomix: haha ok20:45
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puffin444heiko!20:45
blackburnheiko!20:46
puffin444I have found a very serious bug in the model selection framework20:46
heikopuffin44, oh no, what is it?20:48
puffin444When I register a SGVector as a parameter, it has a pointer to the underlying SGVector.vector.20:48
puffin444The problem is that if the SGVector is ever manipulated (i.e. resize) or reassigned the parameter still has the pointer to the original SGVector.vector.20:48
heikothats why usually a pointer to the pointer is stored20:50
puffin444So if I ever try to resize a SGVector in an object, I can never access it through the model selection framework. Even worse, I think this leads to a memory leak.20:50
heikoso that if the data changes, the pointer still is good20:50
heikopuffin444, Ill have a look tomorrow, no time today unfortunately. sorry20:51
puffin444Ok. I will send an example of what I mean over the mailing list.20:52
@sonney2kgsomix, blackburn - buffer protocol is just for dense matrices. so we could in principle support it for sparse matrices too but that would mean that we have to expand to dense first...20:52
gsomixas I said20:53
@sonney2kgsomix, yes the fix is correct20:56
@sonney2kblackburn, I would rather stick to what the mplayer guys do20:57
blackburnsonney2k: they have outdated as well20:59
blackburnno sse4 check, no i7 support20:59
blackburnthe latest thing they did is core220:59
gsomixsonney2k, btw, where are you now?21:00
@sonney2kgsomix, do you want to send a missile?21:00
blackburnsonney2k: I know you are a big fan of handmade and DIY but I see no actual reason to have such crappy config no one supports21:01
@sonney2kblackburn, I think they check for gcc version and if it is new enough fall back to march=native21:01
@sonney2kblackburn, so please check if it does21:01
gsomixsonney2k, huh, only dumplings :)21:01
@sonney2kgsomix, it would totally suffice if you stay around after gsoc21:02
@sonney2kI am pretty happy with what you do for shogun :)21:02
blackburnthey have basically the same thing we do21:02
@sonney2kblackburn, please test run their configure21:03
@sonney2kI would expect it to find march=native on your cpu just fine21:03
blackburnsonney2k: yeah native21:06
gsomixsonney2k, no problem. I'm happy too, there is ?ool team. and thanks (*^__^*)21:06
blackburngsomix: you must be happy to hear it, sonney2k asks me constantly to leave team21:07
blackburnhe even suggested some money21:07
gsomixblackburn, huh, how many? ;)21:08
@sonney2kblackburn, what?21:10
blackburngsomix: he denies me to tell :(21:10
gsomixblackburn, btw you should 'prostavitsya'.21:11
blackburnwhy should I21:11
shogun-buildbotbuild #144 of deb3 - modular_interfaces is complete: Success [build successful]  Build details are at http://www.shogun-toolbox.org/buildbot/builders/deb3%20-%20modular_interfaces/builds/14421:12
gsomixblackburn, you didn't 'prostavitsya' last year after gsoc.21:12
blackburnI found that silly21:13
gsomixokay :(21:14
gsomixtime to work21:15
gsomixsonney2k, overloading [] in c++ have no effect. it's needed overloading by hands.21:18
gsomixin swig code I mean21:19
blackburnsaturday night is time to party!21:19
blackburnor to play WoW, no idea what normal people do21:19
gsomixblackburn, dota221:19
blackburnargh21:19
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gsomixfree to play now, just in steam :)21:20
never_tell_me_abargh21:20
gsomixlol21:20
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gsomixblackburn, lol as lol, not LeagueOfLegends :)21:22
n4nd0gsomix, blackburn do you play games guys?21:23
blackburnI fscking hate games and gamers21:24
@sonney2kgsomix, actually it should enable us to do sth like x+=y (when x and y are e.g. RealFeatures)21:24
gsomixn4nd0, huh, no :)21:24
@sonney2kblackburn, on some kind of holy war today?21:24
blackburnsonney2k: why so?21:24
gsomixn4nd0, only small indie-games.21:24
blackburnI hate optics and games all the way21:24
n4nd0gsomix: no idea what tahs is :P21:25
n4nd0that*21:25
@sonney2kgsomix, but right we don't have a typemap for numpy -> SimpleFeautres so I guess your way is what we need21:25
gsomixlike Angry Birds on my IPad^W21:25
puffin444heiko, don't worry about the bug. It's something I screwed up.21:26
n4nd0gsomix: aham, ok :)21:26
gsomixsonney2k, mmm, I just doing it with using numpy.array's buffer.21:26
@sonney2kgsomix, what is ?????????????21:26
blackburnlol21:26
blackburnsonney2k: to get some beer/vodka/anything in case of some achievement21:26
blackburnand to share it21:26
gsomixexactly21:27
@sonney2kwell gsomix could do now :D21:28
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puffin444Hey blackburn21:38
blackburnhey21:38
puffin444So currently I have a pull request for ARD kernels21:40
blackburnsonney2k: have you seen I added some very basic structure?21:40
blackburnto tutorial21:40
puffin444I have just added ARD into the parameter selection framework. It's done, but I need to make sure the code is commented and stuff.21:40
puffin444My question is that should I just close the current pull request and add a new one today/tomorrow with the new ARD learning attached?21:41
blackburnpuffin444: I don't mind either way :)21:42
blackburnpuffin444: if this one doesn't break compilation I am ok to merge21:43
puffin444The one up there now will not break compilation.21:44
blackburnwhat is ARD btw?21:44
puffin444I frankly don't know what it stands for :), but it essentially gives to a weight to each feature. That we can focus on the features that matter.21:45
puffin444Automatic Relevance Determination21:46
blackburnhmm I work on something similar right now21:46
blackburnfor multitask :)21:46
blackburnI am currently working on modelselection stuff too btw21:50
@sonney2kblackburn, what do you *not* work on?21:51
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blackburnsonney2k: I do not work on nuclear bomb21:51
@sonney2kat least something positive :)21:51
blackburnonly neutron one21:52
puffin444Hey blackburn, would you mind merging the current pr?21:52
blackburnI always say yes :D21:52
CIA-18shogun: puffin444 master * r3385475 / (5 files in 2 dirs): Cleaned up some ARD code. - http://git.io/mMGj8w21:53
CIA-18shogun: puffin444 master * r8246e94 / (8 files in 2 dirs): Added Gradient checking in the GradientModelSelection model. Added - http://git.io/6vh8DQ21:53
CIA-18shogun: Sergey Lisitsyn master * reb98b84 / (8 files in 2 dirs): Merge pull request #644 from puffin444/master - http://git.io/PVEOQQ21:53
blackburnpuffin444: I have to modify some code realted to you probably21:54
puffin444really? where?21:54
blackburnpuffin444: I am adding modelselectionoutput thing in all modelselection things21:55
puffin444okay21:55
blackburnargh may be some set_output would be better21:55
blackburnpuffin444: I am adding modelselectionoutput class21:55
blackburnthat outputs learned model during the process21:56
blackburnI need it to analyze sparsity of learned Ws21:56
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shogun-buildbotbuild #146 of deb3 - modular_interfaces is complete: Failure [failed test python_modular]  Build details are at http://www.shogun-toolbox.org/buildbot/builders/deb3%20-%20modular_interfaces/builds/146  blamelist: puffin444 <walke434@msu.edu>22:34
CIA-18shogun: Sergey Lisitsyn master * rfc2e96c / (13 files in 3 dirs): Introduced ModelSelectionOutput class - http://git.io/WaHWTA22:37
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shogun-buildbotbuild #147 of deb3 - modular_interfaces is complete: Success [build successful]  Build details are at http://www.shogun-toolbox.org/buildbot/builders/deb3%20-%20modular_interfaces/builds/14723:20
--- Log closed Sun Jul 15 00:00:17 2012
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