[mythtv-users] compile times for mythtv?

[Stuart Auchterlonie]

On 16/11/2020 16:58, James Abernathy wrote:
> With my old system, building from source would take 10-15 minutes.
> 
> However, with my new system it takes only 40 seconds.
> 
> The hardware is Ryzen 5 3600, B550 motherboard with attached M.2 2280 
> NVMe SSD.
> 
> I ran it once with make -j 6 and it ran in 5 minutes.  Then I completely 
> deleted the build/mythtv directories and recloned mythtv.git again. 
> However, this time I used make -j 12.
> That seems too good to be true.
> 
> Jim A
> 
> 

tl;dr -> ccache :)

long version -> if you installed the build dependencies with the ansible
playbooks, then you got ccache installed. you can check your hit ratio
with `ccache -s`


Regards
Stuart