K-means and multithreading by C++
34 USD 
The output data: file
According to general agreement: svg painting with clustering.Use of the algorithm : can be taken from the internet (warning), will be checked for the plagiarism.More in detail, below.Examples in personal messages.General requirements:
- Include implementation with one or possibly several streams.- Implementation for one flow is mandatory, for implementation with a large number of flow bonus
It is easy to pass through inspection tools such as Valgrind, Helgrind, etc.
The program must be portable to different architectures and operating systems.It is forbidden to use language extensions supported only by some compilators.It is forbidden to use WINAPI and POSIX directly.(Linking the pthread library to the program is permitted)
The program provides an non-interactive interface, i.e.receives the input from the command line, enters the data from the file.The program implements the --help switch - removes the list of how the program is used and completes the work.- The program does not accept unknown switch (move the error)
The code
* Does your code contain a CMakeLists.txt file that can help you build a project?Does your code use several flows if it has several nuclei?* Does your code include one-way implementation?* Does the code not use language extensions?(For example, OpenMP and VLA)
* Do not use the code of the unbearable library (e.g., POSIX, Win32)
Measurement
Is there an optimized program measurement?(Are the binary file compiled in the release mode?)Was the launch with the use of more streams faster?Did the multi-strom launch work the same as the single-strom launch?
Client's review of cooperation with freelancer
K-means and multithreading by C++Worked with the freelancer for the second time, all in time and professionally, the past review can be attached to this. I recommend it.
Freelancer's review of cooperation with Ihor Petrenko
K-means and multithreading by C++The re-cooperation within the framework of another algorithmic task was successful. All the original data was provided in time. Time, price and functional agreed quickly. The results of the work (both intermediate and final) Igor checked quite quickly. I recommend it as an adequate customer.
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5 days34 USD
228 8 1 1 5 days34 USD
Good day !
I have performed various projects in the C++ language (where more complex than this), and I already have experience with multiple precision and CMake This classification method I have already studied in the university more in detail, so I will easily perform the task. Quality of the code and comments is guaranteed.
It takes 5 days to do everything and nothing could break the execution of the project.
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Не совсем понятное ТЗ. Мультипоточность в C без зависимости от ОС не сделать. pthread это всего лишь одна из попыток убрать зависимость от ОС. Выбор использования нескольких ядер или одно - ОСозависимо, проблемы нет, но в каждой ос делают по своему. Непонятно в каком виде в SVG будет инфа. То что там будет кластер лично мне ни о чем не говорит. Пример бы посмотреть такого svg. Ну и если работу с ним писать самому то счет уже сразу пойдет как минимум на недели и стоимость на килобаксы. И по поводу переносимого кода тоже бы лучше уточнить. Переносимый вообще или переносимый между 32 отдельно и 64 отдельно
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Мультипоточность в C без зависимости от ОС не сделать
Да, но в тексте задачи упоминается C++, и если можно современный стандарт языка использовать, то std::thread и компания - то, что надо 🙂
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Далеко не все кросскопилеры имеют нужную версию для такого. Но да, в последних включив определенные опции можно. То есть вместо осозависимой она становится компилерозависимой. И я совсем не уверен что GCC версия std::thread полностью совместима с MS версией
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std::thread - это стандарт C++11: см., напр., https://en.cppreference.com/w/cpp/thread/thread
Если компилятор "подписался" под этот стандарт, то std::thread будет выглядеть и работать так, как описано в спецификации на C++11.
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По поводу многопоточости снизу комментарий все объяснил.
По поводу SVG рисунка, написано, по договоренности, то есть, если не будет проблем с общей реализацией, то можно будет его нарисовать. Для кластеризации нужно будет начертить точки(их координаты), чтобы визуально показать причастности к кластерам.
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