upd2

binhost.sh

@@ -6,7 +6,7 @@ WORK_DIR="$(pwd)"
 REPO="${WORK_DIR}/repo"
 CTX="${WORK_DIR}/ctx"
 
-IMAGE="gentoo/stage3:amd64-desktop-openrc"
+IMAGE="docker.io/gentoo/stage3:amd64-desktop-openrc"
 PROFILE="default/linux/amd64/23.0/desktop"
 CFLAGS="-O2 -pipe -march=x86-64-v3"
 
@@ -82,6 +82,7 @@ podman run --rm -i \
     --name "gentoo_builder" \
     --cap-add=SYS_PTRACE \
     "${VOLUMES[@]}" \
+    --tmpfs /var/tmp/portage:rw,size=48G,mode=1777 \
     "$IMAGE" /bin/bash <<EOF
 set -e
 source /etc/profile

binhost/make.conf

@@ -8,6 +8,9 @@ CXXFLAGS="${COMMON_FLAGS}"
 FCFLAGS="${COMMON_FLAGS}"
 FFLAGS="${COMMON_FLAGS}"
 # RUSTFLAGS="${RUSTFLAGS} -C target-cpu=native"
+MAKEOPTS="-j16 -l16"
+EMERGE_DEFAULT_OPTS="--jobs=10 --load-average=15.0 --with-bdeps=y"
+SAMUFLAGS="-j16 -l16"
 
 # NOTE: This stage was built with the bindist USE flag enabled