| --- Log opened Tue May 05 00:00:12 2015 | ||
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| shogun-buildbot | build #1008 of nightly_default is complete: Failure [failed notebooks] Build details are at http://buildbot.shogun-toolbox.org/builders/nightly_default/builds/1008 blamelist: Viktor Gal <viktor.gal@maeth.com> | 03:16 |
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| sanuj | don't we have something to visualize the neural nets? | 09:07 |
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| sanuj | i want example.cpp to compile with the new build generated from my local repository instead of what is installed in /usr/local. | 12:30 |
| sanuj | I'm using the following command | 12:30 |
| sanuj | g++ example.cpp -L/home/sanuj/git-reps/shogun/build/ -lshogun | 12:31 |
| sanuj | but the linker is linking to /usr/local version instead of my new build | 12:31 |
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| sanuj | HeikoS, besser82 : Do you know how this can be solved? | 12:38 |
| @HeikoS | sanuj: yes update your LD_LIBRARY_PATH variable | 12:38 |
| @HeikoS | I think -L appends | 12:39 |
| @HeikoS | doesnt prepend | 12:39 |
| sanuj | if i append it then it gives me some this error "error: ld returned 1 exit status | 12:39 |
| sanuj | " | 12:39 |
| sanuj | i'll try adding it to LD_LIBRARY_PATH | 12:40 |
| @besser82 | sanuj, HeikoS is right LD_LIBRARY_PATH is appended to system path, -L is taken after system path | 12:40 |
| sanuj | alright i'll try that | 12:40 |
| sanuj | HeikoS, I did "export LD_LIBRARY_PATH=/home/sanuj/git-reps/shogun/build/src/shogun/" | 12:55 |
| sanuj | and then | 12:55 |
| sanuj | g++ -L/home/sanuj/git-reps/shogun/build/src/shogun/ -lshogun example.cpp | 12:55 |
| sanuj | not compiling | 12:55 |
| sanuj | my LD_LIBRARY_PATH was empty before doing the export. | 12:57 |
| sanuj | i did sudo ldconfig as well | 12:58 |
| sanuj | still the same errors | 12:58 |
| @HeikoS | I dont know then | 13:00 |
| @HeikoS | sanuj: depends a lot on your local system | 13:00 |
| @HeikoS | what about hiding the /local ones | 13:00 |
| sanuj | alright, i'll try something | 13:01 |
| sanuj | besser82, any clue about what might be wrong? | 13:02 |
| sanuj | I changed my LD_LIBRARY_PATH as stated above. | 13:02 |
| @besser82 | sanuj, then temporarily remove the symlinks to libshogun.so.* in /usr/local ;) | 13:04 |
| sanuj | ok, i'll do that | 13:04 |
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| @wiking | yo | 15:25 |
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| lisitsyn | HeikoS: heya | 16:51 |
| @wiking | yo | 16:53 |
| lisitsyn | wiking: hey | 17:00 |
| lisitsyn | wiking: what's the matter with that gitter? ;) | 17:00 |
| @wiking | why? | 17:04 |
| @wiking | not good? | 17:04 |
| lisitsyn | wiking: no just interested | 17:06 |
| lisitsyn | you see it replacing irc or? | 17:06 |
| sanuj | lisitsyn, hello! | 17:15 |
| lisitsyn | sanuj: hey | 17:15 |
| sanuj | i have been trying to compile a neural net example with a fresh shogun build without success. | 17:16 |
| lisitsyn | hmm why? | 17:16 |
| sanuj | i haven't installed the build in /usr/local/lib | 17:17 |
| sanuj | so i've added the path of the new build to LD_LIBRARY_PATH | 17:17 |
| sanuj | when i do export $LD_LIBRARY_PATH | 17:17 |
| sanuj | it says: /home/sanuj/git-reps/shogun/build/src/shogun | 17:18 |
| sanuj | i.e. the location where the .a and .so files are | 17:18 |
| lisitsyn | alright | 17:18 |
| sanuj | i was using "g++ -L/home/sanuj/git-reps/shogun/build/src/shogun example.cpp -lshogun" to compile the example | 17:19 |
| sanuj | it was giving me some ld error | 17:19 |
| lisitsyn | what error? | 17:19 |
| sanuj | so then i deleted the old shogun install from my /usr/local/lib as heiko, besser82 suggested, so now it says "fatal error: shogun/base/init.h: No such file or directory" | 17:20 |
| lisitsyn | you miss -I/path/to/shogun/headers | 17:21 |
| sanuj | before it was giving this error - error ld returned 1 exit status | 17:22 |
| lisitsyn | probably -I/home/sanuj/git-reps/shogun/src/shogun | 17:22 |
| sanuj | yeah i tried that too | 17:22 |
| sanuj | g++ -I/home/sanuj/git-reps/shogun/src/shogun -L/home/sanuj/git-reps/shogun/build/src/shogun example.cpp -lshogun | 17:22 |
| lisitsyn | no such file should be solved then | 17:22 |
| sanuj | i am on ubuntu 14.04 | 17:22 |
| lisitsyn | if path is correct :) | 17:22 |
| sanuj | hold on, i'll check | 17:23 |
| sanuj | this time i used: -I/home/sanuj/git-reps/shogun/src | 17:25 |
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| sanuj | no such file is solved :) | 17:25 |
| lisitsyn | ah yeah | 17:25 |
| sanuj | but it now says | 17:26 |
| sanuj | error: expected unqualified-id before ‘using’ template <typename ST> using container_type = SGVector<ST>; | 17:26 |
| sanuj | i'll try using the c++11 flag | 17:26 |
| Yorkerlin | @HeikoS any feedback on https://github.com/shogun-toolbox/shogun/issues/2838 | 17:26 |
| sanuj | oh yeah, it compiled finally :) | 17:27 |
| sanuj | so basically my -I path was incorrect and i was missing -std=c++11 | 17:28 |
| sanuj | thanks lisitsyn | 17:28 |
| lisitsyn | sanuj: oh cool it compiles now | 17:35 |
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| sanuj | lisitsyn, there? | 18:33 |
| lisitsyn | sanuj: yeap | 18:35 |
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| sanuj | I tried to comment out this line just to check if it is working or not but i am still seeing the epoch info when i run the example | 18:38 |
| sanuj | https://github.com/shogun-toolbox/shogun/blob/develop/src/shogun/neuralnets/NeuralNetwork.cpp#L336 | 18:38 |
| sanuj | it's strange | 18:38 |
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| sanuj | when i built it, NeuralNetwork.cpp was the only file that was compiled again so the build is getting generated without any issues | 18:39 |
| sanuj | i also added a few SG_INFO in NeuralNetwork.cpp but they are not showing up when i run the example with the new build. inface nothing is changing. | 18:42 |
| sanuj | am i missing something here? | 18:42 |
| lisitsyn | sanuj: probably you are using different library | 18:47 |
| lisitsyn | not the one you modified | 18:47 |
| sanuj | hmm, yeah that's what i thought | 18:47 |
| sanuj | shall i try building a fresh build? | 18:48 |
| lisitsyn | just be sure you are linking and running the new one | 18:48 |
| sanuj | okay | 18:50 |
| sanuj | lisitsyn, the place where i am linking | 18:51 |
| sanuj | it has libshogun.a, libshogun.so, libshogun.so.17, libshogun.so.17.1 | 18:51 |
| sanuj | and libshogun.so and libshogun.so.17 has arrows on their icons so i guess these are links | 18:52 |
| sanuj | is this how it is supposed to be? | 18:52 |
| sanuj | all of their modified time matches the time i built it (just now) | 18:53 |
| lisitsyn | sanuj: yes they are just links | 19:04 |
| sanuj | links to what? | 19:04 |
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| sanuj | lisitsyn, I'm sure that i'm linking and running the new library | 20:13 |
| sanuj | i also searched my computer, those are the only .a and .so files for libshogun | 20:13 |
| sanuj | and the path is also correct | 20:14 |
| lisitsyn | sanuj: ok I am back | 20:14 |
| lisitsyn | sanuj: still the same? | 20:14 |
| sanuj | i don't think deleting the build directory and making a new one will help | 20:14 |
| sanuj | sadly yes | 20:15 |
| sanuj | g++ -std=c++11 example.cpp -I/home/sanuj/git-reps/shogun/src -L/home/sanuj/git-reps/shogun/build/src/shogun -lshogun -o example | 20:16 |
| sanuj | i'm using this to compile | 20:16 |
| sanuj | it's compiling fine but no changes reflected in the new build | 20:16 |
| sanuj | Also have a look at this PR whenever you get time. | 20:17 |
| sanuj | https://github.com/shogun-toolbox/shogun/pull/2797 | 20:17 |
| lisitsyn | okay another guess | 20:20 |
| lisitsyn | sanuj: do you have libshogun installed anywhere? | 20:20 |
| lisitsyn | and what's LD_LIBRARY_PATH when you run 'example'? | 20:20 |
| sanuj | i had it installed in usr/local/lib but i deleted the files | 20:21 |
| sanuj | LD_LIBRARY_PATH=/home/sanuj/git-reps/shogun/build/src/shogun/ | 20:21 |
| lisitsyn | ok I see | 20:21 |
| lisitsyn | it's all pretty strange then.. | 20:22 |
| sanuj | yeah | 20:22 |
| lisitsyn | try to build from scratch maybe | 20:22 |
| lisitsyn | if it stays the same you're definitely using some other code but not the one you compiled | 20:22 |
| sanuj | alright | 20:23 |
| sanuj | if i delete the build folder then it won't compile which shows that i am not using some other code | 20:24 |
| sanuj | i'll build from scratch and see what happens | 20:24 |
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| yorkerlin | anyone here? I have some question about the hash used in SGObject. | 20:35 |
| yorkerlin | there may be a bug in SGObject. | 20:36 |
| sanuj | lisitsyn, I just rebuilt it from scratch | 20:36 |
| yorkerlin | If CSGObject::update_parameter_hash() is called more than once, CSGObject::parameter_hash_changed() always returns true even when values of variable remain unchanged. | 20:36 |
| sanuj | still the same | 20:37 |
| sanuj | although it built quickly for a new build from scratch | 20:37 |
| sanuj | i just deleted the build folder | 20:37 |
| sanuj | made a new one | 20:37 |
| sanuj | and ran cmake.. and make | 20:37 |
| sanuj | do i need to do anything else? | 20:37 |
| yorkerlin | it seems no one is live. I will directly send a PR to address this. | 20:44 |
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| lisitsyn | sanuj: no that should be enough | 20:46 |
| sanuj | so what to do now | 20:46 |
| sanuj | i am lost :P | 20:46 |
| lisitsyn | sanuj: maybe you can make some other change to check whether anything changes | 20:48 |
| sanuj | hmm | 20:48 |
| lisitsyn | if not then I guess some other library is loaded with some magic | 20:48 |
| sanuj | i'll have a look at it tomorrow | 20:49 |
| sanuj | time to sleep | 20:49 |
| lisitsyn | ok | 20:49 |
| sanuj | let me know if something strikes you | 20:49 |
| sanuj | goodnight | 20:49 |
| lisitsyn | gnite | 20:49 |
| lisitsyn | see you tomorrow | 20:49 |
| sanuj | :) | 20:50 |
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| --- Log closed Wed May 06 00:00:13 2015 | ||
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