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View Code? Open in Web Editor NEWParallel Maximum Clique Library
Home Page: http://maxcliques.com
License: Other
Parallel Maximum Clique Library
Home Page: http://maxcliques.com
License: Other
If it only need a small modification, could you add the function to enumerate all the cliques with a given size in the pmc library?
Hi pmcer, it always print "*** [pmc: thread 3] current max clique = 154, time = 0.0690331 sec
DEBUG current mc: 154
DEBUG current mc: 154
DEBUG current mc: 154
DEBUG current mc: 154" when I use pmc lib. Could I close the notice ? How do I do?
In pmc_utils.cpp
, in function fexists
you are returning an std::ifstream
where a bool
is needed.
The code won't compile with GCC 8.2.0:
pmc_utils.cpp: In function ‘bool fexists(const char*)’:
pmc_utils.cpp:26:12: error: cannot convert ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} to ‘bool’ in return
return ifile;
^~~~~
A simple fix could be to replace return ifile;
with return !ifile.fail();
.
Hi, not sure if this project is still maintained, but just wanted to let you know I got an error when trying to run make with this project.
OS: Ubuntu 18.04 LTS
Error Message:
g++ -O3 -fPIC -c pmc_driver.cpp
g++ -O3 -fPIC -o pmc pmc_driver.o pmc_utils.cpp pmc_graph.cpp pmc_clique_utils.cpp pmc_heu.cpp pmc_maxclique.cpp pmcx_maxclique.cpp pmcx_maxclique_basic.cpp pmc_cores.cpp -fopenmp
pmc_utils.cpp: In function ‘bool fexists(const char*)’:
pmc_utils.cpp:26:12: error: cannot convert ‘std::ifstream {aka std::basic_ifstream}’ to ‘bool’ in return
return ifile;
^~~~~
Makefile:42: recipe for target 'pmc' failed
make: *** [pmc] Error 1
When I tested the code on a small dataset, it worked well. However, when I tried a large dataset, I got the following error:
[pmc: initial k-core pruning] before pruning: |V| = 76781, |E| = 2147483647
[pmc: initial k-core pruning] after pruning: |V| = 76781, |E| = 2147483647
[pmc] initial pruning took 18.7986 sec
run_maxclique.sh: line 1: 22640 Segmentation fault (core dumped) ./pmc -f all_data/all_data.mtx -a 0
Could you please give me some ideas for this? Thank you so much!
Hi, thank for sharing the great work. I am using your library in a python script to solve an MC problem. The library randomly crashed with the following output:
*** Error in `python': double free or corruption (out): 0x00007f9a87d8d420 ***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x790cb)[0x7f9c6cfb90cb]
/lib/x86_64-linux-gnu/libc.so.6(+0x8275a)[0x7f9c6cfc275a]
/lib/x86_64-linux-gnu/libc.so.6(cfree+0x4c)[0x7f9c6cfc618c]
/users/miniconda2/envs/lib/python3.7/site-packages/torch/lib/libtorch.so(_ZNSt6vectorIiSaIiEE13_M_insert_auxEN9__gnu_cxx17__normal_iteratorIPiS1_EERKi+0x134)[0x7f9c0ffb2634]
pmc/libpmc.so(_ZN3pmc9pmc_graphC1ExPiS1_i+0x639)[0x7f9b944fb039]
pmc/libpmc.so(max_clique+0x2cd)[0x7f9b945140bd]
/users/miniconda2/envs/pointreg/lib/python3.7/lib-dynload/../../libffi.so.7(+0x69dd)[0x7f9c6d5989dd]
/users/miniconda2/envs/pointreg/lib/python3.7/lib-dynload/../../libffi.so.7(+0x6067)[0x7f9c6d598067]
/users/miniconda2/envs/pointreg/lib/python3.7/lib-dynload/_ctypes.cpython-37m-x86_64-linux-gnu.so(_ctypes_callproc+0x2ce)[0x7f9c3a64127e]
/users/miniconda2/envs/pointreg/lib/python3.7/lib-dynload/_ctypes.cpython-37m-x86_64-linux-gnu.so(+0x12cb4)[0x7f9c3a641cb4]
I am wondering if you had encountered similar issues during testing?
There are no example input files. The README mentions an examples
folder, but it's missing. The download links for graphs on the website (maxcliques.com) are missing.
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