[mythtv-users] compile times for mythtv?
jfabernathy at gmail.com
Mon Nov 16 17:27:08 UTC 2020
On Mon, Nov 16, 2020 at 12:08 PM Stuart Auchterlonie <
stuarta at squashedfrog.net> wrote:
> 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`
Thanks, forgot about the ccache. I did use ansible to get my dependencies.
However with ccache deleted I used make -j 12 and did it in 4 min, 34sec.
That's a great improvement for me.
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