diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6b73088c45fa3a..0586465ea0af40 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -3,26 +3,32 @@ name: Compile and publish kernels
 on:
   push:
     branches:
-      - fd4.10
+      - ARC-Migration
+      - arc-speed
+
+env:
+  - BUILD_ARCHES: ["armel", "mipseb", "mipsel", "mips64eb", "mips64el"]
 
 jobs:
   build:
-    runs-on: ubuntu-latest
-
+    runs-on: panda-arc
+    strategy:
+      matrix:
+        arch: ${{ env.BUILD_ARCHES }}
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
 
       - name: Build 
         run: |
-          bash docker_build.sh
-          tar -czvf kernels-latest.tar.gz binaries
+          bash docker_build.sh ${{ matrix.arch }}
+          tar -c -I 'xz -6 -T0' -f kernels-latest-${{ matrix.arch }}.tar.xz binaries
 
       - name: Save package
         uses: actions/upload-artifact@v3
         with:
-          name: kernels-latest.tar.gz
-          path: kernels-latest.tar.gz
+          name: kernels-latest-${{ matrix.arch }}.tar.gx
+          path: kernels-latest-${{ matrix.arch }}.tar.gx
 
       - name: Create release
         id: create_release
@@ -36,6 +42,14 @@ jobs:
             Release @${{ github.ref }}
           draft: true
           prerelease: false
+      - name: Download all workflow run artifacts
+        uses: actions/download-artifact@v3
+
+      - name: Combine all artifacts
+        run: |
+          mkdir -p binaries
+          for f in ${{ env.BUILD_ARCHES }}; do mv "kernels-latest-$f.tar.gz" binaries; done
+          tar -cvf kernels-latest.tar binaries
       - name: Upload release asset
         uses: actions/upload-release-asset@v1
         env:
diff --git a/docker_build.sh b/docker_build.sh
index a71a5487ce0b26..09990085fa5167 100755
--- a/docker_build.sh
+++ b/docker_build.sh
@@ -2,8 +2,13 @@
 #Commented out target list is what we'd like to have, but haven't tested
 #TARGETLIST="armel armeb mipseb mipsel mips64 mips64el aarch64"
 #These targets are ones we've tested
-TARGETLIST="armel mipseb mipsel mips64eb mips64el"
-
+ALL_TARGETS="armel mipseb mipsel mips64eb mips64el"
+if [ ! -z $1 ]
+then
+       TARGETLIST=$1
+else
+       TARGETLIST=$ALL_TARGETS
+fi
 docker build -t igloo_kernel_builder . || exit
 docker run --rm -v `realpath .`:/linux  -w /linux -e IGLOO_TARGETLIST="$TARGETLIST" -e DOCKER_USER="$USER" \
        igloo_kernel_builder xonsh docker_inner_build_targets.xsh
diff --git a/docker_inner_build_targets.xsh b/docker_inner_build_targets.xsh
index cfc715fe52a881..9b8eed1e1d28a1 100755
--- a/docker_inner_build_targets.xsh
+++ b/docker_inner_build_targets.xsh
@@ -46,7 +46,7 @@ $NPROC=$(nproc).strip()
 cd $BUILD_ROOT
 
 for arch in TARGETLIST:
-    make mrproper
+    make mrproper -j$NPROC
     TARGETS=["vmlinux"]
     if "arm" in arch:
         TARGETS.append("zImage")
@@ -59,7 +59,7 @@ for arch in TARGETLIST:
     $CROSS_CC=get_cc(arch)
     mkdir -p f"build/{arch}"
     cp f"config.{arch}" f"build/{arch}/.config"
-    make ARCH=@(short_arch) CROSS_COMPILE=$CROSS_CC O=build/@(arch) olddefconfig
+    make ARCH=@(short_arch) CROSS_COMPILE=$CROSS_CC O=build/@(arch) olddefconfig -j$NPROC
 
     echo "Building kernel"
     make ARCH=@(short_arch) CROSS_COMPILE=$CROSS_CC O=build/@(arch) @(TARGETS) -j$NPROC