I need a Digital Signal Processing engineer who can design a lowpassfilter in C++ with high degree of optimizationn.

Job ID: 30692540

Budget: ₹12,500 – ₹37,500 INR

I need a lowpassfilter in C++ which can process 100 million complex data. The execution time should not exceed 1 second. (The filter should works like 'filter' function in matlab "https://in.mathworks.com/help/matlab/ref/filter.html")