| Package | Local Description (use.local.desc) | Metadata Description (metadata.xml) |
|---|---|---|
| dev-libs/gf2x | Extra long compile time for tuning hardware specific low-level routines | Extra long compile time for tuning hardware specific low-level routines |
| sci-mathematics/gmp-ecm | Improve performance of some operations by selecting machine-specific defaults | Improve performance of some operations by selecting machine-specific defaults |