| --- Log opened Mon Jan 21 00:00:37 2019 | ||
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| heytitle | hi, do you know where I can see the latest benchmark results for Shogun's algorithms? | 13:11 |
|---|---|---|
| heytitle | http://www.mlpack.org/benchmark.html doesn't seem working properly. | 13:11 |
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| @HeikoS | gf712 yoyo | 14:15 |
| @HeikoS | how are things? | 14:16 |
| gf712 | hey, all good | 14:21 |
| gf712 | what about you? | 14:21 |
| gf712 | working on a parameter getter for c++ sgobject | 14:22 |
| gf712 | btw, do you know how to debug python exceptions with gdb? | 14:30 |
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| gf712 | I only know how to backtrace segfaults.. | 14:31 |
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| @HeikoS | gf712 all good here as well | 14:38 |
| @HeikoS | gf712 nice! I like the idea of hiding all the non-c++ stuff from libshogun and only have it as part of the swig interface | 14:38 |
| @HeikoS | gf712 what do you mean with debugging python exceptions? I usually use pdb if I wanna look/step through python code | 14:38 |
| @HeikoS | has a similar interface to gdb and you can set breakpoints in python code | 14:39 |
| @HeikoS | I used that to find segfaults before, but not very systematic :) | 14:39 |
| gf712 | as in get the C code line that causes issues | 14:39 |
| @HeikoS | you wanna see what C code raises an exception that is received by Python? | 14:40 |
| @HeikoS | not sure that is possible as expections are somehow dealt with by swig or? | 14:40 |
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| gf712 | hmm, true. I was trying to extract AnyParameter from a reference_wrapper and it's causing issues | 14:41 |
| gf712 | But the only exception I get is a MemoryAllocation issue | 14:42 |
| gf712 | which makes it a bit difficult to debug | 14:42 |
| gf712 | Anyway, I am testing it directly on C++ now | 14:42 |
| gf712 | and it turns out that using reference_wrappers is more difficult than I thought :D | 14:43 |
| gf712 | When I get the dereferenced value from std::reference_wrapper and access Any methods I get a segfault | 14:44 |
| @HeikoS | mmmh | 14:54 |
| @HeikoS | strange | 14:55 |
| @HeikoS | Without a gdb I wouldnt know what to do | 14:55 |
| gf712 | OK, it seems like I am getting an error from other.policy->policy_type() in src/shogun/lib/any.h:963 | 14:59 |
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| gf712 | I am not sure what happens when any is wrapped in a reference_wrapper | 14:59 |
| gf712 | but it seems to cause issues.. | 15:00 |
| @HeikoS | mmmh | 15:00 |
| @HeikoS | might be worth to ask lisitsyn | 15:01 |
| @HeikoS | (if he is around) | 15:01 |
| gf712 | but then I can't reproduce it when I try out a minimal example | 15:02 |
| gf712 | anyway, I must have messed up something somewhere | 15:02 |
| gf712 | Should have something to start a PR by the end of the day | 15:02 |
| @HeikoS | cool looking forward to it | 15:03 |
| @HeikoS | I am editing GSoC pages | 15:08 |
| gf712 | Yup, I am having a look now | 15:09 |
| gf712 | I'll try and come up with stuff that needs work | 15:09 |
| gf712 | it would be cool to have something like the getter I added in Python but with the other interfaces | 15:09 |
| wuwei[m] | HeikoS: I created an issue documenting the custom exceptions usage | 15:16 |
| @HeikoS | wuwei[m] nice! can you link it in the gsoc project page? | 15:16 |
| @HeikoS | wuwei[m] maybe you can also describe the background of this a bit more in the issue. Otherwise students will be confused :D | 15:17 |
| wuwei[m] | okay | 15:17 |
| @HeikoS | wuwei[m] I just updated the wiki page a bit more | 15:26 |
| @HeikoS | will leave it as it is for now | 15:26 |
| @HeikoS | but feel free to add/change stuff | 15:26 |
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| wuwei[m] | HeikoS: updated the issue | 15:28 |
| @HeikoS | merci | 15:28 |
| gf712 | HeikoS btw everything is working fine now for the getter in the c++ side | 15:37 |
| @HeikoS | sweet | 15:37 |
| @HeikoS | can you push the stuff? | 15:37 |
| @HeikoS | you can use "***NO_CI***" in the commit msg if you wanna skip the build | 15:38 |
| @HeikoS | which is good practice if something is not ready yet | 15:38 |
| gf712 | sure! is it worth returning a map with Basetag as keys, or is std::string of the name enough? | 15:41 |
| @HeikoS | gf712 what do you mean exa tly? | 15:52 |
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| gf712 | HeikoS I mean for the getter of self.map in SGObject, do I return a std::map<Basetag, AnyParameter> or a std::map<std::string, AnyParameter> | 15:56 |
| gf712 | Where AnyParameter is a reference | 15:56 |
| @HeikoS | ah I see | 15:56 |
| @HeikoS | ehm | 15:56 |
| @HeikoS | not sure | 15:56 |
| @HeikoS | what do you need for later? | 15:57 |
| @HeikoS | the least confusing choice | 15:57 |
| @HeikoS | not sure | 15:57 |
| @HeikoS | we can change it later as well | 15:57 |
| gf712 | for the interfaces I think just the string is enough | 15:57 |
| gf712 | OK, let's go with std::string for now otherwise I need to recompile it with Basetag :p | 15:57 |
| @HeikoS | yes | 16:01 |
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| --- Log closed Tue Jan 22 00:00:38 2019 | ||
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