On 8/28/25 7:40 PM, Andi Kleen wrote:

Just 1:1 is slow, isn't it?



Surprisingly not by much:

rm vmlinux.o; time make -j16 vmlinux

# -flto-partition=1to1
________________________________________________________
Executed in  235.38 secs    fish           external
   usr time   37.97 mins    0.00 millis   37.97 mins
   sys time    2.12 mins    1.69 millis    2.12 mins

# -flto-partition=cache
________________________________________________________
Executed in  231.91 secs    fish           external
   usr time   36.71 mins    0.40 millis   36.71 mins
   sys time    1.12 mins    1.12 millis    1.12 mins

Michal

Reply via email to