Tip: to get LN cache sizes on mac, the commmand is

    $ sysctl -a | grep "l.*cachesize" | gnumfmt --field=2 --to=si
    hw.perflevel1.l1icachesize:   132k
    hw.perflevel1.l1dcachesize:   66k
    hw.perflevel1.l2cachesize:    4,2M
    hw.perflevel0.l1icachesize:   197k
    hw.perflevel0.l1dcachesize:   132k
    hw.perflevel0.l2cachesize:      13M
    hw.l1icachesize:   132k
    hw.l1dcachesize:   66k
    hw.l2cachesize:    4,2M

And the equivalent to LEVEL1_DCACHE_LINESIZE is

    $ sysctl -a | grep hw.cachelinesize
    hw.cachelinesize: 128