CPU usage tests

i5-4440, 32-bit Reaper v5.941, 96 kHz device sample rate (Dummy Audio), 256 sample buffer, release 0.05

Realtime playback

23 tracks, stereo 44.1 kHz WAV

sinc size	unmodified	plugin	plugin, 1.001 playback rate
192 pt	26%	14%	21%
384 pt	46%	18%	33%

2 tracks, 8-channel 48 kHz FLAC

sinc size	unmodified	plugin	plugin, 1.001 playback rate
192 pt	10%	4.3%	7.5%
384 pt	18%	5.6%	12%

Offline render, 384 pt sinc

Unmodified: 13x

With plugin: 37x

With plugin, 1.001 playback rate: 18x