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I have a code-module in C#, which contains a loop with math. operations. At the end of each execution of the loop I get the UTC-time in milliseconds and store this by writeline() in a protocol-file (for example 200 lines at all). When the code-module is part of a small project, the loop runs quickly and with nearly constant speed. But when the identical code-module with the same input data is part of a bigger project, the loop runs at the beginning approx. 1.5 - 3 times slower and then the speed goes lower and lower. How is this possible? I have found no error in my code.
Please describe what a code-module is along with code that gives us an idea what is being executed along with the context of the bigger project as without this all we can do is guess and we don't like to guess as guessing usually leads to a long and drawn out thread.
If the input data are the same, then make sure that both of your programs are tested on the same machine or in similar conditions, and use the same and build configuration, such as ".NET Framework 4.8, Release, x64", for example. The project configurations must not differ significantly. Also make sure that the bigger project does not run some parallel tasks that maybe reduce the resources that are allocated to your loops.
While executing my script-file including "Math_FourierTransform(Matrix1, out Matrix2, Vorwärts); " and "Math_FourierTransform(Matrix2, out Matrix3, Vorwärts);" by my interpreter in the debugger, no exception is released, but the speed slowing continues.
Message from the code-analyse-tool: "No code analyse problems found", but the speed slowing continues.
In the task manager I have seen, the RAM usage by the task "vshost.exe" grows from 118 MB up to 622 MB while executing Math_FourierTransform() in my bigger project with certain parameters and slowing speed. This indicates me where I have to search further more. Probably Dispose() can help. Thanks!