hkaiser changed the topic of #ste||ar to: STE||AR: Systems Technology, Emergent Parallelism, and Algorithm Research | stellar.cct.lsu.edu | HPX: A cure for performance impaired parallel applications | github.com/STEllAR-GROUP/hpx | Buildbot: http://rostam.cct.lsu.edu/ | Log: http://irclog.cct.lsu.edu/ | GSoC2018: https://wp.me/p4pxJf-k1
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<github>
[hpx] msimberg opened pull request #3330: Rename resource_partitioner test to avoid conflicts with pseudodependencies (master...rename-rp-test) https://git.io/vhk8E
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<github>
[hpx] msimberg opened pull request #3331: Add quickstart section to documentation (master...docs-quickstart) https://git.io/vhkHp
<jakub_golinowski>
M-ms, thank you I was asking because I got clang-format error on this line
<jakub_golinowski>
but the solution was to all EOL symbol after ...
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<nikunj>
hkaiser: did you find anything that I should change to refine my code?
<hkaiser>
things look good as a first implementation
<hkaiser>
how will you integrate this into the build system?
<nikunj>
hkaiser: on skype call, you asked me to integrate it as a header file
<hkaiser>
I think the next step would be to make all hpx applications work that currently use hpx_main.hpp to #define main()
<nikunj>
hkaiser: so I could simply create a header file which when included in the code will run hpx functionality from main
<nikunj>
just like hpx_main.hpp
<hkaiser>
i.e. include your header file in hpx_main instead of the #define for platforms supporting your new way
<nikunj>
hkaiser: ya that can be done
<nikunj>
hkaiser: this will then be the shortest way to get things rolling
<hkaiser>
that should make things transparent without requiring any code changes outside of hpx_main.hpp
<nikunj>
hkaiser: yes
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<hkaiser>
nikunj: any success researching how things could be done on other platforms?
<nikunj>
hkaiser: yes I was reading about windows
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<hkaiser>
k, any news?
<nikunj>
hkaiser: I found that mainCRTstartup is msvc equivalent of __libc_start_main
<nikunj>
but I can't seem to find the dll holding the code
<nikunj>
hkaiser: If I find that dll, I could simply hook into the that dll and set up hpx system initialization from there
<hkaiser>
nikunj: I don't think we can change the runtime dll
<hkaiser>
at least not statically
<github>
[hpx] msimberg opened pull request #3332: Add notes on target suffixes to CMake documentation (master...add-hpx-executable-component-docs) https://git.io/vhkN8
<nikunj>
hkaiser: yes, this will only work for dynamic
<hkaiser>
let's see what you can come up with
<nikunj>
hkaiser: I'm trying to find it. Also, I learned how to hook using msvc too
<hkaiser>
nod, thanks
<nikunj>
hkaiser: it uses loadlibrary and getprocaddress
<nikunj>
it is similar to dlsym used for Unix/Linux system
<hkaiser>
nikunj: K-ballo mentioned that he has done this before, he might remember something
<nikunj>
hkaiser: then I'll ask for his help
<hkaiser>
nikunj: sure
<nikunj>
hkaiser: he must know about it
<nikunj>
hkaiser: Is there anything you want me to focus on?
<hkaiser>
first replace the #defin main
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<nikunj>
hkaiser: ok so I'll work on a pull request, currently I will use macro to determine the operating system and add #define main (in case of msvc) and my solution in case of Unix/Linux
<nikunj>
hkaiser: that should be a good start
<hkaiser>
nod
<nikunj>
hkaiser: btw the current solution will not solve the problem in case the user wishes to use hpx functionality in global scope
<hkaiser>
it's a first step
<github>
[hpx] msimberg opened pull request #3333: Update CMake links and versions in documentation (master...update-cmake-links) https://git.io/vhkAm
<hkaiser>
so you might want to add a cmake macro allowing to enable/disable your solution
* zao
waves from `int WINAPI WinMain(HINSTANCE, HINSTANCE, LPSTR, int)`
<nikunj>
hkaiser: nod
<K-ballo>
the CRT source is shipped and installed alongside the CRT itself, somewhere in the VC subdirectory
<nikunj>
K-ballo: But I can't find the mainCRTstartup's dll
<zao>
I forget if it's for debugging purposes only.
<K-ballo>
the CRT dll?
<nikunj>
K-ballo: from what I learned, mainCRTstartup is the exe startup
<zao>
Also bonus fun nowadays with the UCRT.
<nikunj>
K-ballo: yes
<K-ballo>
i was going to say msvcrt, but yeah.. the universal crt, don't knos the details about that
<nikunj>
K-ballo: What I'm trying to do is to hook into the mainCRTstartup() and change the entry point
<nikunj>
K-ballo: you could actually change the entry point yourself in VS but then you will not be able to use constructor part (i.e. using global objects)
<M-ms>
hkaiser: I have a feeling something's broken on master... it looks like it was #3326 so probably something simple. Would you mind having a look?
<hkaiser>
k
<hkaiser>
uhh ohh - what's broken?
<nikunj>
K-ballo: also, the code itself tends to become a bit unstable when providing our own entry point that way
<hkaiser>
M-ms: ^^
<M-ms>
hpx::init: std::exception caught: Requested AGAS host (10.3.3.51) not found in node list
<M-ms>
terminating with uncaught exception of type std::__1::system_error: recursive_mutex lock failed: Invalid argument
<hkaiser>
have a link?
<hkaiser>
M-ms: how do I reproduce this?
<M-ms>
(sorry btw, pycicle wasn't running because of full disk quota, should've caught it)
<M-ms>
I'm not sure, it should have been and is running now, so it might also just have been a slurm problem (but mine was at least not running because of disk quota)
<hkaiser>
M-ms: I can't reproduce this
<M-ms>
or it was just merged before the result was ready
<hkaiser>
at least on my machine
<hkaiser>
will try on rostam today
<hkaiser>
might be some uninitialized variable
<M-ms>
hrm, two localities?
<hkaiser>
yah
<M-ms>
mmh, the PR was quite small so should be something simple
<M-ms>
please tell me if you want me to have a look, I don't mind trying, just thought you might know already what was up
<hkaiser>
it just changed the sequence of how things are being handled during command line handling
<hkaiser>
M-ms: please feel free
<hkaiser>
I would fix it if I was able to reproduce things
<M-ms>
ok, no problem, I'll give it a try and ping you if I'm having difficulties
<hkaiser>
M-ms: thanks a lot
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<hkaiser>
M-ms: this could be happenein gwhen running in a slurm env only
<hkaiser>
I changed the sequence during initialization to enable taking command line options into account as early as possible (logging), so now the slurm env processing might happen too early or on some uninitialized state
<M-ms>
hkaiser: ah, thanks, that sounds possible
<M-ms>
I just started reverting your PR bit by bit, will see what part is causing it
<hkaiser>
k
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<diehlpk>
mcopik, yet?
<mbremer>
M-ms: I was looking through the IRC logs, I'm having that same AGAS error.
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<hkaiser>
jbjnr: I'm ready whenever you are
<hkaiser>
jbjnr: can we do skype pls (or anything but hangout)
<M-ms>
why was it missing before/why was it added now?
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<hkaiser>
M-ms: these two lines add any setting that were detected while command line handling to the cfg registry, but it looks like it adds too many things :/
<hkaiser>
before we were discarding those
<hkaiser>
those two line were the essence of my patch ;-)
<hkaiser>
M-ms: I think I know what needs to be done now, let me try to change things
<hkaiser>
M-ms: pls see #3334 for a possible fix
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<M-ms>
hkaiser: very cool, thanks for the quick fix
<M-ms>
let's see what pycicle says this time (if anything)
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<hkaiser>
M-ms: thank you for diagnosing this!
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<jbjnr__>
hkaiser: very sorry. My car needed to be collected from the garage and I arranged to collect it and forgot that we had a call planned.
<jbjnr__>
tomorrow instead?
<hkaiser>
jbjnr__: should work, yes
<hkaiser>
same time?
<jbjnr__>
ok. Thanks.
<jbjnr__>
hkaiser: ^
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<nikunj>
K-ballo: yt?
<K-ballo>
partially
<nikunj>
K-ballo: I'll only take a minute
<nikunj>
so I was searching about the precise call stack of msvc
<nikunj>
but I can't find the exact call stack along with the dll associated online
<nikunj>
K-ballo: Do you know of a resource I should look into?
<K-ballo>
no
<nikunj>
K-ballo: ok, I'll keep looking online then
<hkaiser>
nikunj: the sources for MS runtime are installed with Visual Studio
<K-ballo>
yeap, I already mentioned that earlier today
<hkaiser>
k
<nikunj>
K-ballo, hkaiser: then I'll have to scrape through (I just wanted to know if there was a better way :/)