#mlpack on 2020-03-03 — irc logs at libera.irclog.whitequark.org

2018-11-12 22:39 ChanServ changed the topic of #mlpack to: "mlpack: a fast, flexible machine learning library :: We don't always respond instantly, but we will respond; please be patient :: Logs at http://www.mlpack.org/irc/

02:02 < vigsterkr[m]> rcurtin: ;)

02:02 < vigsterkr[m]> rcurtin: julia wrapper? who made it?

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02:53 < rcurtin> vigsterkr[m]: I did, it was for my job :) I work for a company that uses Julia as the implementation language for its product

02:54 < rcurtin> it's a reasonably nice language, but it definitely has some warts that need to be improved---like pretty bad compile times for complex code the first time you run it

02:54 < rcurtin> (C++ has that too, but it's very different because nobody uses C++ like a REPL...)

02:54 < rcurtin> also, looks like mlpack-bot is failing to auto-approve after a day... maybe someday I will be finished fighting with it...

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03:02 < M_slack_mlpack_7> So apparently when building mlpack I can find pthread.h but when I try to build the client for gym_tcp_api it can't be found

03:20 < M_slack_mlpack_7> Forcefully bypassing the boost thread check gives

03:20 < M_slack_mlpack_7> ```CMakeFiles/example.dir/example.cpp.o: undefined reference to symbol 'pthread_join@@GLIBC_2.2.5'

03:20 < M_slack_mlpack_7> glibc-2.30/lib/libpthread.so.0: error adding symbols: DSO missing from command line```

03:21 < rcurtin> M_slack_mlpack_7: I'm not familiar with the gym client, but perhaps set -DCMAKE_CXX_FLAGS="-pthread" when you configure CMake for that project?

03:22 < rcurtin> maybe it's CMAKE_LINKER_FLAGS that would be necessary... I'm not exactly sure

03:22 < rcurtin> hopefully that type of thing is at least helpful as a direction though

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08:11 < jenkins-mlpack2> Project docker mlpack nightly build build #629: FAILURE in 2 hr 57 min: http://ci.mlpack.org/job/docker%20mlpack%20nightly%20build/629/

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10:20 < favre49> Odd problems with azure - on github it says that the test has been running for a week, but on checking the test has complete

10:21 < favre49> On #2239

10:22 < favre49> Also wondering, why do we use travis for some things and azure for others? I haven't been keeping up to date I'm afraid

10:30 < favre49> Just realized, there's an AUR package for mlpack :) If it works, we could add it to the website

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13:14 < rcurtin> favre49: nice, if you want to add the AUR package to the website, you can just open a PR on the mlpack.org website, does that sound reasonable?

13:14 < rcurtin> also for azure and travis, I think that the reason is just convenience... azure provides more resources, but some jobs just haven't been transitioned yet

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13:20 < favre49> rcurtin Yeah I checked it out and it works, robertohueso maintains it. I'll add it to the site once my exams are over

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14:10 < rcurtin> favre49: awesome, sounds good :)

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14:29 < EdmundWu[m]> Got the gym to work, spent a good deal of time trying to figure out why there was an error and it turned out to be because I was using Python3

14:30 < EdmundWu[m]> Solved the linker error by just spamming -lpthread on every invocation

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15:19 < zoq> EdmundWu[m]: hm, do you like to open a PR with the fix? I guess we could just set the correct CMAKE_CXX_FLAGS.

15:51 < EdmundWu[m]> I don't think it's really nice since it's still a hack after I disabled the thread component for Boost

15:51 < EdmundWu[m]> Still fails if I have the thread component

16:42 < Param-29Gitter[m> How do i remove binding error? When I try to execute any example programs i get following error #error "Unknown binding type! Be sure BINDING_TYPE is defined if you are " \

16:42 < Param-29Gitter[m>

16:47 < rcurtin> okay... finally... looks like mlpack-bot auto-approve is working again

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16:51 < AbhiSaphire> Hello guys, I am not able to locate any optimizer algorithms on mlpack repo. Can someone provide a link to me. Thanks

16:53 < SriramSKGitter[m> @AbhiSaphire : Have a look at https://github.com/mlpack/ensmallen

17:02 < AbhiSaphire> Thanks SriramSKGitter[m but I was looking for loss function optimizers.

17:06 < AbhiSaphire> OK found it, sorry for this naive question

17:32 < rcurtin> Param-29Gitter[m: don't compile the _main.cpp programs by hand, use CMake to build those

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17:50 < travis-ci> mlpack/ensmallen#726 (2.11.4 - b35b5ac : Ryan Curtin): The build passed.

17:50 < travis-ci> Change view : https://github.com/mlpack/ensmallen/compare/8d187ae4e591^...b35b5acbdcc2

17:50 < travis-ci> Build details : https://travis-ci.org/mlpack/ensmallen/builds/657858734

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17:57 < GauravSinghGitte> Hi @rcurtin sorry to disturb you but if have some time can you provide some more insights on #2238. I am confused as to how to move forward after the comments from @ShikharJ. Thanks.

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20:55 < EdmundWu[m]> How important is stb as a dependency

20:55 < zoq> EdmundWu[m]: It's used to load images.

20:57 < EdmundWu[m]> Trying to compile with `-DSTB_IMAGE_INCLUDE_DIR` but I'm getting linker errors like

20:57 < EdmundWu[m]> ``````

20:57 < zoq> EdmundWu[m]: That said, it's an optional dependency.

20:58 < EdmundWu[m]> Yeah build works fine without it