My results on a old Core2Duo E6300 and small Nvidia GeForce 9400 GT. I took two disks: one solo piano disc that compress very well (<400 kbps) and a baroque orchestral work that doesn't (750 kbps).
PIANO MUSIC
WAV 594.191 KB
FLAC -5 163.122 KB 49313 milliseconds x69.94
FLAC -8 159.276 KB 116641 milliseconds x29.57
CUDA -0 158.750 KB 60188 milliseconds x57.30
CUDA -4 158.024 KB 88531 milliseconds x38.96
CUDA -8 156.881 KB 176656 milliseconds x19.52
CUDA 11 156.799 KB 527922 milliseconds x6.53
VIVALDI
WAV 754.037 KB
FLAC -5 393.834 KB 68047 milliseconds x64.32
FLAC -8 393.279 KB 160109 milliseconds x27.33
CUDA -0 394.796 KB 78688 milliseconds x55.62
CUDA -4 394.034 KB 111469 milliseconds x39.26
CUDA -8 393.191 KB 223328 milliseconds x19.59
CUDA 11 392.079 KB 675656 milliseconds x6.47
On this cheap GPU, FlaCuda 0.2 performs rather well. It can't be as fast as the CPU but this encoder could approach this speed at -0 and sometimes compress better than flac.exe -8! Nevertheless the CPU has two cores and only one was used for this benchmark.
If I'm not wrong a similar 9400 GPU is used in the ION system. It means that cheap and powerless nettops or netbooks with ION chipset could perfectly be used for batch flac encoding. To be confirmed...
SMALL DECODING SPEED:
FLAC -8: x409
CUDA -8: x392
CUDA 11: x285
As you can see there's a drastic fall in decoding speed with flacuda -11 (tested with latest foobar2000). On my Sansa Clip (2GB) the playback seems to be fine (I just tried one file though).
More tests are needed but it looks like a very interesting encoder which should work nicely on a ION chipset.