That's Serum. Wavetable synthesizers are famously heavy on CPU. No one would run 113 Serums at once for anything practical, but they might have 113 things going

That's Serum. Wavetable synthesizers are famously heavy on CPU. No one would run 113 Serums at once for anything practical, but they might have 113 things going. If it can handle 113 Serum instances with 7 unison voices each sounding at once, it can handle any music production task.