| Model | # Params (M) |
(Rec / Conv) Mem. (M elts) |
Recall tasks | NIAH-1 | NIAH-2 | NIAH-3 | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SWDE | FDA | SQuAD | 1K | 2K | 4K | 8K | 16K | 32K | 1K | 2K | 4K | 8K | 16K | 32K | 1K | 2K | 4K | 8K | 16K | 32K | |||
| Transformer | |||||||||||||||||||||||
| w. RoPE | 340 | \(\boldsymbol{\infty}\) / 0.0 | 42.3 | 34.5 | 22.1 | 100 | 100 | 0.0 | 0.0 | 0.0 | 0.0 | 100 | 100 | 0.0 | 0.0 | 0.0 | 0.0 | 71.6 | 47.6 | 0.0 | 0.0 | 0.0 | 0.0 |
| w. Gate (FoX) | 376 | \(\boldsymbol{\infty}\) / 0.0 | 52.5 | 64.3 | 30.1 | 100 | 100 | 32.2 | 8.0 | 4.2 | 0.0 | 100 | 100 | 100 | 24.0 | 11.6 | 3.2 | 95.4 | 85.6 | 64.2 | 11.6 | 7.2 | 0.0 |
| SSM | |||||||||||||||||||||||
| GLA | 475 | 12.5 / 0.4 | 29.0 | 11.4 | 30.3 | 74.6 | 25.1 | 8.2 | 2.2 | 0.0 | 0.0 | 91.2 | 37.2 | 21.4 | 3.6 | 0.0 | 0.0 | 84.2 | 57.1 | 20.8 | 10.2 | 2.3 | 0.0 |
| GSA | 399 | 12.5 / 0.0 | 23.8 | 14.5 | 24.9 | 99.2 | 97.1 | 90.0 | 67.4 | 29.6 | 11.0 | 96.6 | 98.8 | 28.0 | 5.1 | 1.0 | 0.0 | 60.0 | 30.1 | 13.5 | 1.0 | 0.0 | 0.0 |
| GDN | 475 | 12.5 / 0.4 | 29.5 | 8.3 | 31.3 | 99.2 | 100 | 99.8 | 92.0 | 41.8 | 22.1 | 99.2 | 92.0 | 43.6 | 17.8 | 6.2 | 4.0 | 92.6 | 80.6 | 37.8 | 5.2 | 6.8 | 2.5 |
| Mamba-2 | 382 | 12.5 / 0.4 | 25.7 | 14.9 | 31.9 | 99.2 | 95.6 | 52.2 | 12.8 | 5.4 | 2.8 | 99.8 | 98.0 | 68.2 | 15.4 | 4.4 | 3.8 | 53.4 | 53.6 | 17.4 | 1.8 | 2.2 | 3.2 |
| SWA | 374 | 12.5 / 0.0 | 10.0 | 14.4 | 29.7 | 29.8 | 11.0 | 6.2 | 3.4 | 1.2 | 0.0 | 36.2 | 14.4 | 10.2 | 3.8 | 3.2 | 0.0 | 26.2 | 9.2 | 7.4 | 1.4 | 1.8 | 0.0 |
| Raven | 424 | 12.5 / 0.0 | 34.1 | 22.7 | 35.4 | 99.8 | 100 | 99.8 | 99.8 | 99.4 | 91.4 | 98.8 | 98.0 | 98.8 | 81.6 | 23.0 | 8.8 | 76.8 | 43.6 | 13.4 | 1.0 | 0.0 | 0.0 |
| Transformer | |||||||||||||||||||||||
| w. RoPE | 693 | \(\boldsymbol{\infty}\) / 0.0 | 58.9 | 63.6 | 41.3 | 92.4 | 90.8 | 0.0 | 0.0 | 0.0 | 0.0 | 99.6 | 99.2 | 0.0 | 0.0 | 0.0 | 0.0 | 33.4 | 9.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| w. Gate (FoX) | 694 | \(\boldsymbol{\infty}\) / 0.0 | 64.9 | 80.0 | 41.5 | 100 | 100 | 99.0 | 28.6 | 12.4 | 0.0 | 100 | 100 | 67.4 | 9.0 | 7.8 | 0.0 | 83.2 | 63.8 | 0.2 | 0.4 | 0.2 | 0.0 |
| SSM | |||||||||||||||||||||||
| GLA | 892 | 16.5 / 0.4 | 50.1 | 35.9 | 39.2 | 100 | 94.2 | 29.4 | 3.6 | 0.0 | 0.0 | 100 | 89.8 | 25.8 | 3.8 | 3.0 | 0.0 | 94.6 | 51.2 | 3.2 | 1.8 | 1.6 | 0.0 |
| GSA | 750 | 16.5 / 0.0 | 42.8 | 28.9 | 33.6 | 100 | 100 | 99.8 | 97.6 | 64.0 | 0.0 | 99.4 | 90.0 | 29.8 | 3.6 | 2.4 | 0.0 | 79.0 | 16.6 | 2.4 | 0.2 | 0.0 | 0.0 |
| GDN | 892 | 16.5 / 0.4 | 46.0 | 31.9 | 35.9 | 100 | 100 | 100 | 100 | 94.8 | 45.2 | 100 | 95.4 | 35.2 | 14.2 | 9.2 | 5.8 | 79.4 | 65.4 | 10.6 | 6.4 | 4.2 | 2.0 |
| Mamba-2 | 711 | 16.5 / 0.6 | 42.7 | 21.3 | 34.6 | 99.8 | 63.4 | 13.6 | 1.8 | 0.8 | 0.6 | 97.4 | 49.2 | 24.2 | 6.6 | 4.2 | 3.2 | 89.8 | 17.4 | 14.6 | 1.4 | 2.4 | 0.6 |
| SWA | 693 | 16.5 / 0.0 | 14.9 | 12.2 | 28.8 | 11.0 | 6.2 | 3.4 | 1.2 | 0.6 | 0.0 | 14.4 | 6.4 | 5.0 | 1.2 | 2.4 | 0.0 | 15.2 | 4.8 | 1.4 | 2.4 | 3.4 | 0.0 |
| Raven | 792 | 16.5 / 0.0 | 41.7 | 24.1 | 39.9 | 99.8 | 100 | 99.8 | 99.2 | 98.2 | 91.0 | 100 | 99.4 | 90.8 | 35.2 | 6.8 | 3.4 | 90.4 | 5.2 | 0.6 | 0.0 | 0.0 | 0.0 |