参考nproc is not a command on Mac

使用下面的来替代

# physical
sysctl -n hw.physicalcpu
# logical
sysctl -n hw.logicalcpu

添加下面的内容到.zshrc

# nproc
alias nproc="sysctl -n hw.logicalcpu"

可以安装coreutils

brew install coreutils