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elkai is a Python library for solving travelling salesman problems (TSP) based on LKH 3

License: Other

CMake 4.55% Shell 4.92% Python 90.54%

optimization python travelling-salesman-problem tsp elkai python-tsp

elkai's Issues

cannot pip install elkai in windows10

About the speed.

Dear developers,

I have been using your tool for some time now and have found it to greatly help my work. However, I have recently noticed that the speed of the tool seems to be slower compared to the original version of LKH3 that was reported in papers. This has caused some delays in my work, and I was wondering if you could help me understand why this might be happening and whether there is anything that can be done to improve the speed.

About citing elkai

Hi! Thank you for sharing this excellent LKH implementation.

As my recent work utilizes elkai as a component entire system, I'd like to cite elkai in the future publication. Can you share the bibliography information of elkai?

Licensing

LKH is available for non-commercial use only. Our license reflects that: https://github.com/pyEntropy/elkai/blob/master/LICENSE

The built wheels/pypi and setup.py should also have this notice in next versions.

Python wheel for linux/arm64

Hi,
Would it be possible for you to create a python wheel for linux arm64 or aarch64? I'm trying to create a custom wheel but I'm not able to. If not, please let me know if there are other solutions or libraries that I can use.

Thank you

Cannot install in Ubuntu with python3.10

I tested with a fresh installation of Ubuntu 22.04 with python3.10. It works well with python3.9 though.

Two issues:

In python3.10, it cannot find elkai v0.1.2. Instead it tries v0.0.9
Even v0.0.9 does not install.

The first part of the installation:

$ pip install --no-cache-dir -vvv elkai
Using pip 22.0.2 from /usr/lib/python3/dist-packages/pip (python 3.10)
Defaulting to user installation because normal site-packages is not writeable
Created temporary directory: /tmp/pip-ephem-wheel-cache-bv6pypaf
Created temporary directory: /tmp/pip-req-tracker-7d3n20pk
Initialized build tracking at /tmp/pip-req-tracker-7d3n20pk
Created build tracker: /tmp/pip-req-tracker-7d3n20pk
Entered build tracker: /tmp/pip-req-tracker-7d3n20pk
Created temporary directory: /tmp/pip-install-4apmdc3m
1 location(s) to search for versions of elkai:
* https://pypi.org/simple/elkai/
Fetching project page and analyzing links: https://pypi.org/simple/elkai/
Getting page https://pypi.org/simple/elkai/
Found index url https://pypi.org/simple
Starting new HTTPS connection (1): pypi.org:443
https://pypi.org:443 "GET /simple/elkai/ HTTP/1.1" 200 5286
 Skipping link: none of the wheel's tags (cp35-cp35m-macosx_10_6_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/67/da/2df84862273fef7bd348f77e14166f62ab3bdfef86effe6de38dc8ad5453/elkai-0.0.7-cp35-cp35m-macosx_10_6_x86_64.whl#sha256=c4a9aa1507d2fa5a1d01b3428ede19e1f0ed798e162af8f19c2b5505a38b41cb (from https://pypi.org/simple/elkai/)
 Skipping link: none of the wheel's tags (cp35-cp35m-manylinux1_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/c3/f5/238a210c1fd9d3a22d9f04e05351a29601a7d861f9b7e48182e2c1a05157/elkai-0.0.7-cp35-cp35m-manylinux1_x86_64.whl#sha256=bbf3ef07a459afcf8027b582ba93c00ceef0b7c65f5b3c71c32d35fb06f84213 (from https://pypi.org/simple/elkai/)
 Skipping link: none of the wheel's tags (cp35-cp35m-win32) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/c3/94/279e2525b76c0cc84cb157ce7613a424cdfba4d6f7e36b0d0d997f65e17b/elkai-0.0.7-cp35-cp35m-win32.whl#sha256=737ead31578fca527eefd1f7ec20a6518a7c6b3e8c236f488459f638c2bcd493 (from https://pypi.org/simple/elkai/)
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 Skipping link: none of the wheel's tags (cp37-cp37m-win32) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/c6/ff/d149105e59cb191fc9aba80e50ea586a86ee51e54298874bde9255741235/elkai-0.1.2-cp37-cp37m-win32.whl#sha256=dc2480f090dadccd8f3b6036fcadda534c524f71fb305487ce897cace5bf6cfd (from https://pypi.org/simple/elkai/)
 Skipping link: none of the wheel's tags (cp37-cp37m-win_amd64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/05/1d/4be7b3e5a0148f35e8338f22f3568b257a7b0b94a7d4b7a97e7d7c0ce853/elkai-0.1.2-cp37-cp37m-win_amd64.whl#sha256=dfe3aa2a0a8f947d55592faa959ae82b31793a93083c47ab55041a2b9a1f6c6e (from https://pypi.org/simple/elkai/)
 Skipping link: none of the wheel's tags (cp38-cp38-macosx_10_14_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/7e/c5/9f4c1c90ef4d5edbf60226f1f662e6426d83bff1d693fe850f7b9a18a7c1/elkai-0.1.2-cp38-cp38-macosx_10_14_x86_64.whl#sha256=e65bf85f4d66e231112624a0b13aefae86456f8db186b90aed119d6fbdc49b88 (from https://pypi.org/simple/elkai/)
 Skipping link: none of the wheel's tags (cp38-cp38-macosx_11_2_arm64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/05/cb/6232c6a8e86c25896af337d94bb6db04c7bf9793ff29a5c42a18c7be4e7d/elkai-0.1.2-cp38-cp38-macosx_11_2_arm64.whl#sha256=cea226136042b525524d827b613a646e03bb333f666d995e548e42636226a051 (from https://pypi.org/simple/elkai/)
 Skipping link: none of the wheel's tags (cp38-cp38-macosx_12_0_arm64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/9a/14/d4d22d39dffd6c1ee920d252bd9013ba0c1bc5368551ca75eff3973b1057/elkai-0.1.2-cp38-cp38-macosx_12_0_arm64.whl#sha256=854dfe7d7760a90666d2d30b651f0d3ad2b4ac3c227897b8c6f890b435a4d57c (from https://pypi.org/simple/elkai/)
 Skipping link: none of the wheel's tags (cp38-cp38-manylinux1_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/9b/a5/e9549f413fb5d2cb56628502200adec3d6b23d34362251ebe113a554ee80/elkai-0.1.2-cp38-cp38-manylinux1_x86_64.whl#sha256=c21035955bb684b1f2e0be317396fa01d6392b322adf89edbec0947b97e12d3d (from https://pypi.org/simple/elkai/)
 Skipping link: none of the wheel's tags (cp38-cp38-win32) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/4b/6c/29f9e32a36df273f14d9e10ee333381c94e370ac07e7d37bcbea3f99e3e6/elkai-0.1.2-cp38-cp38-win32.whl#sha256=d91802d13d1a73c117076e8ed969a4a0b49f39301f70303f4b65cf897e89b3e9 (from https://pypi.org/simple/elkai/)
 Skipping link: none of the wheel's tags (cp38-cp38-win_amd64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/b0/19/b986d520c7f2406ef4d4f4f2c8a5e5f4779bcb10ba26e092cb6c1ed40e3f/elkai-0.1.2-cp38-cp38-win_amd64.whl#sha256=0d3b5860822b584ac87d9820b75dafc155e46b98814bb3fd20f26764cf9e3821 (from https://pypi.org/simple/elkai/)
 Skipping link: none of the wheel's tags (cp39-cp39-macosx_10_14_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/9f/97/dd56105b5c0e467e26b18c485576e1cad973947ada9cda59f7af28d736f8/elkai-0.1.2-cp39-cp39-macosx_10_14_x86_64.whl#sha256=64ca5e3c6acf4ede1d7f93e9e7a8e1f53c52dbecd2b44711bde19146f3c7b033 (from https://pypi.org/simple/elkai/)
 Skipping link: none of the wheel's tags (cp39-cp39-macosx_11_2_arm64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/d9/7f/c741f75e2d5ed94aee5ee9b6585df31e0f358acc4c1aa09373e52242bbc6/elkai-0.1.2-cp39-cp39-macosx_11_2_arm64.whl#sha256=ec2f0701fb2aeffb032aeccf7c8e1af6fee3111aeceb3735808bd3bc9f815403 (from https://pypi.org/simple/elkai/)
 Skipping link: none of the wheel's tags (cp39-cp39-macosx_12_0_arm64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/5e/a3/a31f9b88c4739d4607e8359a5b5b3a960a05038a823b5cff79d9c6755b43/elkai-0.1.2-cp39-cp39-macosx_12_0_arm64.whl#sha256=db1c91d07218f6663b1ad2bbb7acd488cbcb92a9398cc4a5ddc2f728e09302e7 (from https://pypi.org/simple/elkai/)
 Skipping link: none of the wheel's tags (cp39-cp39-manylinux1_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/8f/78/3835659668804677b636dfb573dc20bc646cb3e8ec5d3cd1e299c28b6cbe/elkai-0.1.2-cp39-cp39-manylinux1_x86_64.whl#sha256=a8a41811cb2b7cd7f1aa667bd0ce0f13f9907da1d652817888bd79082ef25aa4 (from https://pypi.org/simple/elkai/)
 Skipping link: none of the wheel's tags (cp39-cp39-win32) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/e9/3e/5cfc6d6e4b046b256183e58f48ae254e763eaca7c1a670ee15d83c85224d/elkai-0.1.2-cp39-cp39-win32.whl#sha256=b80e2b3a63668f16546dac5d2c45f07ed3f9befc097b9fc81cf6880096656b5a (from https://pypi.org/simple/elkai/)
 Skipping link: none of the wheel's tags (cp39-cp39-win_amd64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/b7/03/64a5f05d71ac6216d4f29306b11a8659333bf96700f380e64e565cdb34d2/elkai-0.1.2-cp39-cp39-win_amd64.whl#sha256=a8e64a38a930763e7ed6cef5621a904ab8cff4eb22c45355a698ba243519adaf (from https://pypi.org/simple/elkai/)

The last part of the installation

      collect2: error: ld returned 1 exit status
      gmake[2]: *** [CMakeFiles/_elkai.dir/build.make:98: _elkai.cpython-310-x86_64-linux-gnu.so] Error 1
      gmake[1]: *** [CMakeFiles/Makefile2:111: CMakeFiles/_elkai.dir/all] Error 2
      gmake: *** [Makefile:136: all] Error 2
      Traceback (most recent call last):
        File "/home/chkwon/.local/lib/python3.10/site-packages/skbuild/setuptools_wrap.py", line 640, in setup
          cmkr.make(make_args, install_target=cmake_install_target, env=env)
        File "/home/chkwon/.local/lib/python3.10/site-packages/skbuild/cmaker.py", line 672, in make
          self.make_impl(clargs=clargs, config=config, source_dir=source_dir, install_target=install_target, env=env)
        File "/home/chkwon/.local/lib/python3.10/site-packages/skbuild/cmaker.py", line 703, in make_impl
          raise SKBuildError(

      An error occurred while building with CMake.
        Command:
          cmake --build . --target install --config Release --
        Install target:
          install
        Source directory:
          /tmp/pip-install-g3gsj4va/elkai_9165e4a14b3047349f01d9d1edfcea79
        Working directory:
          /tmp/pip-install-g3gsj4va/elkai_9165e4a14b3047349f01d9d1edfcea79/_skbuild/linux-x86_64-3.10/cmake-build
      Please check the install target is valid and see CMake's output for more information.
      [end of output]

  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for elkai

This will probably land in v1.1.0

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fikisipi / elkai Goto Github PK

elkai's Issues

cannot pip install elkai in windows10

About the speed.

About citing elkai

Licensing

Python wheel for linux/arm64

Cannot install in Ubuntu with python3.10

LKH type

Add docstrings

very large distance matrix as an input

Vehicle routing problems

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