numactl

Control NUMA policy for processes or shared memory. More information: <https://man7.org/linux/man-pages/man8/numactl.8.html>.

Install

All systems
curl cmd.cat/numactl.sh
Debian Debian
apt-get install numactl
Ubuntu
apt-get install numactl
Arch Arch Linux
pacman -S numactl
image/svg+xml Kali Linux
apt-get install numactl
CentOS
yum install numactl
Fedora
dnf install numactl
Windows (WSL2)
sudo apt-get update sudo apt-get install numactl
Dockerfile
dockerfile.run/numactl

Control NUMA policy for processes or shared memory. More information: <https://man7.org/linux/man-pages/man8/numactl.8.html>.

  • Run a command on node 0 with memory allocated on node 0 and 1:
    numactl --cpunodebind=0 --membind=0,1 -- command command_arguments
  • Run a command on CPUs (cores) 0-4 and 8-12 of the current cpuset:
    numactl --physcpubind=+0-4,8-12 -- command command_arguments
  • Run a command with its memory interleaved on all CPUs:
    numactl --interleave=all -- command command_arguments

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