It's mode 5 at 128kbps that's slower.On the new 1.0.7 RC1, mode 0 is clearly faster than all the modes (x86 binary).
Your graphs show that exhale's resampler is different from the other resampler you compared it against, but that's all.
Christian, can you share your manually 32-kHz downsampled sweep WAV file, i.e., the one you used to obtain the Sweep20-20_20sec_-6dB_32k.wav.png screenshot in the Git issue?
... my purpose was not to evaluate the quality of the encoder, but only to evaluate whether to use internal SRC or other.
Do you have a detailed table of speeds per CVBR mode and sampling rate by any chance?