theupriser/steamify-cachyos-dev
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docs: ISO builds use 75% of host cores, not all-but-2

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theupriser committed 2026-09-28 13:04:04 +02:00
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run.sh
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@@ -10,7 +10,7 @@
# VM_ISO=<path> boots that ISO for `install` instead of cachyos.iso; with # VM_ISO=<path> boots that ISO for `install` instead of cachyos.iso; with
# VM_KERNEL/VM_INITRD/VM_APPEND its kernel is booted directly with those # VM_KERNEL/VM_INITRD/VM_APPEND its kernel is booted directly with those
# parameters (scripts/vminstall.sh, the unattended install). # parameters (scripts/vminstall.sh, the unattended install).
# VM_CPUS=<n>: guest CPUs (6); ISO builds use all host cores but 2. # VM_CPUS=<n>: guest CPUs (6); ISO builds use ~75% of host cores (nproc * 3 / 4), so the host stays usable.
# VM_PORT=<n>: the host port for the guest's SSH (2222), e.g. a second VM. # VM_PORT=<n>: the host port for the guest's SSH (2222), e.g. a second VM.
# BIOS_VERSION=F7F0107 makes the guest report that BIOS version (DMI), e.g. # BIOS_VERSION=F7F0107 makes the guest report that BIOS version (DMI), e.g.
# to test the wizard's BIOS update item; the firmware itself doesn't change. # to test the wizard's BIOS update item; the firmware itself doesn't change.
scripts/vmisobuild.sh
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@@ -9,7 +9,7 @@
# REPO) instead of the newest release # REPO) instead of the newest release
# The VM must run with its cache shared (one per VM, next to its disk), and # The VM must run with its cache shared (one per VM, next to its disk), and
# gets all host cores but 2 for the build: start it with # gets all host cores but 2 for the build: start it with
# VM_CACHE=$VM_DIR/iso-cache VM_CPUS=$(( $(nproc) - 2 )) scripts/vmreset.sh --fremont # VM_CACHE=$VM_DIR/iso-cache VM_CPUS=$(( $(nproc) * 3 / 4 )) scripts/vmreset.sh --fremont
# Env: VM_DIR (see common.sh), ISO_BRANCH (feat/steamify), ISO_OUT (the host's # Env: VM_DIR (see common.sh), ISO_BRANCH (feat/steamify), ISO_OUT (the host's
# steammachine-cachyos-live-iso/out/desktop). # steammachine-cachyos-live-iso/out/desktop).
set -euo pipefail set -euo pipefail