IRC logs of #shogun for Wednesday, 2011-08-03

--- Log opened Wed Aug 03 00:00:34 2011
@sonney2kblackburn, you don't have anything to commit right now do you?01:05
blackburnsonney2k: no, still haven't01:06
blackburnsonney2k: why are you asking?01:07
@sonney2kblackburn, so I cannot test this build bot hmmmh01:07
@sonney2kblackburn, btw am I right that only heiko sent in his progress report email?01:07
blackburnoops01:07
blackburnsonney2k: should I or better next week?01:08
@sonney2kblackburn, you should...01:08
blackburnokay01:08
@sonney2kthanks01:11
@sonney2kalright... buildbot does sth... certainly needs more configurations/testing though01:11
blackburnsonney2k: done01:13
blackburnsonney2k: I'm currently stucked with heap-dijkstra algorithm01:14
blackburntrying to debug it for last two days or so..01:14
@sonney2kblackburn, you really need challenges don't you?01:17
blackburnsonney2k: what do you mean?01:18
blackburnwe really need it, without it isomap is too slow01:19
blackburnsonney2k: I have one commit to commit hehe01:19
@sonney2kblackburn, I have to sleep now - I will tell you tomorrow what the build bot said01:21
blackburnokay01:21
@sonney2kblackburn, look http://trac.buildbot.net/wiki/SuccessStories everyone uses buildbot - so the choice was right :)01:28
blackburnsonney2k: aren't you sleeping?01:28
blackburncommit is on the way ;)01:28
@sonney2k1 eye open01:28
blackburnsonney2k: here it is01:29
CIA-87shogun: Sergey Lisitsyn master * r9d3e4f4 / src/shogun/preprocessor/Isomap.cpp : Removed unnecessary symmetrize matrix in Isomap - https://github.com/shogun-toolbox/shogun/commit/9d3e4f40579db3b3e7a2c5785feaea9ed16984cc01:29
blackburnsonney2k: ain't it inconvenient to you to have such a busy machine at home?01:30
@sonney2kblackburn, 8G, 4 cores and the heat sink looks more like a nuclear powerplant than a heat sink01:30
@sonney2kso close to 0 fan activity01:30
@sonney2kbut yes - it will eat energy...01:31
blackburnsonney2k: why TU berlin doesn't provide some server?01:31
blackburnall the fame to universität but no pay-off :D01:32
@sonney2kI will ask - but let me first get it to work for some time01:32
blackburnoh how nice I have downloaded the whole Lecture Notes in Computer Science01:36
blackburnnah not very useful01:40
* sonney2k man down - man down!01:40
blackburnwhat's up?01:40
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sploving1hello sonney2k,15:54
@sonney2kheiko, I will have time tomorrow in the afternoon to talk/chat15:54
@sonney2ksploving1, tomorrow or this evening or via email please15:55
sploving1ok.15:56
sploving1sent16:00
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heikosonney2k, ok I will be there tomorrow16:46
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blackburnYEAAAAH19:01
CIA-87shogun: Sergey Lisitsyn master * r314f4b1 / src/shogun/preprocessor/Isomap.cpp : Changed isomap geodesic distance with Dijkstra Heap instead of Floyd - https://github.com/shogun-toolbox/shogun/commit/314f4b1a505c4bfad7f13f3580e6245ce3beb82f19:05
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gsomixhi all19:11
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@sonney2kblackburn, great stuff...20:04
CIA-87shogun: Soeren Sonnenburg master * r1e48c60 / src/shogun/lib/DataType.h :20:08
CIA-87shogun: Merge pull request #260 from karlnapf/master20:08
CIA-87shogun: data type extensions - https://github.com/shogun-toolbox/shogun/commit/1e48c60d83e60867f1aa7cde9cc6ad37eef475a220:08
CIA-87shogun: Soeren Sonnenburg master * r7a745ad / (4 files in 3 dirs):20:11
CIA-87shogun: Merge pull request #259 from sploving/master20:11
CIA-87shogun: support c# sgvector - https://github.com/shogun-toolbox/shogun/commit/7a745ad175e872da4b9ae2bfe8f749df8d45ab0720:11
blackburnsonney2k: which one?20:29
blackburnsonney2k: if about fibheap - it was O(n^3)20:34
@sonney2kyes fibheap20:34
@sonney2kbefore you mean?20:34
@sonney2kand now?20:34
blackburnnow it is amortized O(n^2 log n)20:34
blackburne.g. for 2000 examples it was20:34
blackburn70s20:34
blackburnnow it is 24s20:34
blackburnon my notebook*20:34
@sonney2knice...20:34
blackburnfor 4000 examples ~162s20:34
blackburncan't say how much it was - takes too long20:35
blackburnI guess something of >1000s20:35
blackburnmuch thanks to gsomix, who implemented fibonacci heap :)20:36
@bettybooha ha!20:36
blackburnquasimentoring program hah20:36
gsomixnya!20:36
@sonney2kyeah you make a great team - I am hoping for many more contributions from you :)20:37
blackburnsonney2k: btw if you have some not-so-large tasks - let gsomix know20:38
blackburngsomix: you're free now, right? or will you be working on CSet?20:38
gsomixhm20:39
@sonney2kCSet would be cool, SGVector transitions too20:39
blackburnwhere can we apply CSet?20:39
blackburne.g. I can apply it to mutual kNN graph construction somehow20:40
blackburnany other examples?20:40
gsomixI'm free.20:40
gsomixIf you need CSet, I'll write.20:41
blackburnif you're interested20:41
blackburnwe both want to have fun doing it, so just do what you really want20:42
@sonney2kthat's true... a faster set would be great though...20:42
blackburnoh I forgot to remove EISOMAP hehe20:43
@sonney2kor write examples...20:45
@sonney2kor move some code from *.h to *.cpp20:46
blackburnsonney2k: so what's up with buildbot?20:46
@sonney2kgsomix, up to you20:46
@sonney2kblackburn, it ignored the commits :(20:47
blackburnsonney2k: why?20:47
@sonney2kwhen I force it to build it does...20:47
@sonney2kI don't know20:47
@sonney2kpretty complex configuration20:47
gsomixsonney2k, wut?20:47
@sonney2kbuildbot20:48
gsomixDo you need CSet? I don't understand. :)20:48
@bettyboo:*)20:48
blackburngsomix: so possible tasks: a) efficient CSet (at least O(log n), not sure it is possible to do it faster)     b) SGVector transition    c) writing examples      d) moving code from .h to .cpp20:48
@sonney2kgsomix, yeah we need a set... blackburn needs a fast one (my dummy impl. is O(n))20:48
@sonney2kyou could use hash tables20:49
blackburnsonney2k: not really need.. I'll try to get some faster solution for mutual kNN20:49
@sonney2kthere is a murmurhash function for that20:49
gsomixI will choose a point a).20:49
blackburnsonney2k: I thought I need mutual kNN for Isomap, in fact I don't20:49
@sonney2kblackburn, heiko needs the set too for his model selection20:54
@sonney2kso it is worth some thought20:54
@sonney2kand shouldn't be too difficult20:54
blackburnoh it is nice to have necessity20:54
blackburngsomix: so yes we need CSet hehe20:54
gsomixyeah!20:55
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blackburngsomix: take this for motivation: http://cs9502.vk.com/g4312728/a_0f81a874.jpg20:59
@sonney2krussian spirit ;-)21:00
gsomixblackburn, this is one of the teachers? I don't know who is it.21:00
blackburngsomix: sukhanov21:00
gsomixAaa, tochno!21:00
blackburnsonney2k: nischewo net? ;)21:01
gsomixI heard about the higher education system in Germany.21:05
gsomixI liked it. :)21:05
blackburndeutschland über alles hah21:13
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CIA-87shogun: Soeren Sonnenburg master * r6e6794a / src/shogun/io/AsciiFile.cpp : fix osx build failure (inspired by the patch from av3ngr) - https://github.com/shogun-toolbox/shogun/commit/6e6794ac01c8ac1f7ae0ed252197ed50e443ad5322:57
CIA-87shogun: Soeren Sonnenburg master * r9dc8f2b / (6 files in 5 dirs): Merge branch 'master' of github.com:shogun-toolbox/shogun - https://github.com/shogun-toolbox/shogun/commit/9dc8f2bf46438efc1bbe236c63433a1bf532566422:57
CIA-87shogun: Sergey Lisitsyn master * reb4d547 / (src/CONTRIBUTIONS src/NEWS): News and contributions additions - https://github.com/shogun-toolbox/shogun/commit/eb4d547edaa4757a30fe51dfbb3d8622c505ded923:33
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* blackburn 's studying pthreads23:50
@sonney2kblackburn, I don't mind parallelizing with openmp btw23:59
--- Log closed Thu Aug 04 00:00:15 2011

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