How to download and setup Performance-library
Open terminal and run command
                                            git clone https://github.com/rshkurdalov/Performance-library.git
                                        
                                        git clone is used to create a copy or clone of Performance-library repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with Performance-library https://github.com/rshkurdalov/Performance-library/archive/master.zip
Or simply clone Performance-library with SSH
                                            [email protected]:rshkurdalov/Performance-library.git                                    
                                    If you have some problems with Performance-library
You may open issue on Performance-library support forum (system) here: https://github.com/rshkurdalov/Performance-library/issuesSimilar to Performance-library repositories
Here you may see Performance-library alternatives and analogs
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