m1awicki
commented
2 years ago Comparison of compression modes.
- noheu - heuristics disabled,
- etcpak-ETC2 - results produced by code from this pr,
- QUICKETC2 - results produced by code from branch QuickETC2.
Performance comparison.
Compression of kodim05.png image (no alpha channel):
| ETC1 | QuickETC2 | Etcpak-NoHeu | etcpak-ETC2 | |
|---|---|---|---|---|
| Mpx/s | 294.323 | 129.646 | 171.785 | 132.754 |
Compression of 4096x4096 image with alpha channel:
| ETC1 | QuickETC2 (RGB) | QuickETC2 (RGBA) | Etcpak-NoHeu | Etcpak-ETC2 (RGB) | Etcpak-ETC2 (RGBA) | |
|---|---|---|---|---|---|---|
| Mpx/s | 346.408 | 230.042 | 168.162 | 215.59 | 231.931 | 165.477 |
With addition of T and H modes, ETC2 is fully supported. Implementation includes scalar and AVX2 version.