From 1b63b4b3fd599eb77c52381e4a6e273af7460cf1 Mon Sep 17 00:00:00 2001
From: Charlotte Delenk <lotte@chir.rs>
Date: Fri, 8 Nov 2024 14:32:31 +0100
Subject: [PATCH] update nix config for rainbow-resort

---
 machine/rainbow-resort/hardware.nix | 30 ++++++++++++++++++++++++++---
 modules/nix/build-server.nix        |  4 ++--
 2 files changed, 29 insertions(+), 5 deletions(-)

diff --git a/machine/rainbow-resort/hardware.nix b/machine/rainbow-resort/hardware.nix
index f1c51977..a6528c87 100644
--- a/machine/rainbow-resort/hardware.nix
+++ b/machine/rainbow-resort/hardware.nix
@@ -17,7 +17,31 @@
   boot.initrd.kernelModules = ["amdgpu"];
   boot.kernelModules = ["kvm-amd" "i2c-dev" "i2c-piix4"];
   boot.extraModulePackages = [];
-  nix.settings.cores = 4;
-  # use the lowest frequency possible, to save power
-  powerManagement.cpuFreqGovernor = "powersave";
+  nix.settings.cores = 16;
+  boot.binfmt.emulatedSystems = [
+    "armv7l-linux"
+    "powerpc-linux"
+    "powerpc64-linux"
+    "powerpc64le-linux"
+    "wasm32-wasi"
+    "riscv32-linux"
+    "riscv64-linux"
+  ];
+  nix.daemonCPUSchedPolicy = "idle";
+  nix.daemonIOSchedClass = "idle";
+
+  nix.settings.system-features = [
+    "kvm"
+    "nixos-test"
+    "big-parallel"
+    "benchmark"
+    "gccarch-znver4"
+    "gccarch-znver3"
+    "gccarch-znver2"
+    "gccarch-znver1"
+    "gccarch-skylake"
+    "gccarch-skylake-avx512"
+    "ca-derivations"
+  ];
+
 }
diff --git a/modules/nix/build-server.nix b/modules/nix/build-server.nix
index ea2b1870..24fe866e 100644
--- a/modules/nix/build-server.nix
+++ b/modules/nix/build-server.nix
@@ -47,7 +47,7 @@ with lib; {
           ];
         }
       ]
-      [
+      (mkIf (config.networking.hostName != "rainbow-resort") [
         {
           hostName = "build-rainbow-resort";
           systems = [
@@ -76,7 +76,7 @@ with lib; {
             "ca-derivations"
           ];
         }
-      ]
+      ])
       (mkIf (config.networking.hostName != "not522") [
         {
           hostName = "build-riscv";