Install libperformance0.5 by entering the following commands in the terminal:
sudo apt update sudo apt install libperformance0.5
GNUstep performance library (runtime library)
The GNUstep performace library implements various classes intended to be used in high-performance libraries and applications. Available are classes for caching objects in memory for rapid access, managing FIFO queues, thread pools for performing methods which need to make use of a runloop for I/O and/or timers, for objects in parallel in other threads, linked list functionality, timing information, statistics about the number of events or the duration of operations, uniqued objects and more. . This package contains the shared library.