| 1 | { |
| 2 | pkgs, |
| 3 | ... |
| 4 | }: |
| 5 | |
| 6 | { |
| 7 | # apply microcode to fix functional and security issues |
| 8 | hardware.enableRedistributableFirmware = true; |
| 9 | hardware.cpu.amd.updateMicrocode = pkgs.stdenv.isx86_64; |
| 10 | hardware.cpu.intel.updateMicrocode = pkgs.stdenv.isx86_64; |
| 11 | |
| 12 | # enable kernel same-page merging for improved vm test performance |
| 13 | hardware.ksm.enable = true; |
| 14 | |
| 15 | # discard blocks weekly |
| 16 | services.fstrim.enable = true; |
| 17 | |
| 18 | # use memory more efficiently at the cost of some compute |
| 19 | zramSwap.enable = true; |
| 20 | } |