At 6:28am -0400 Thu, 06 Oct 2011, Norbert Thiebaud wrote:
2011/10/6 Norbert Thiebaud:
I'll give it a shot...
Not that I expect it to make a big difference... since most of the
compiles are ccached...
As an nth data point on the matter, I've been using ccache for awhile,
and my builds take longer. Anecdotally (because I'm not focused on
ccache specifically), I turned it off the other day, and my builds
reduced from about 2 hours to 1h15m.* For reference, my ccache size is
8G, but only 1.8 G has been used. My hits at about 12,000 are about
half of my misses.
Cheers,
Kevin
* Both of those numbers are _very_ rough averages (created from memory
of my "alias make='time make'" output), my builds compile in the
background, at nice +19, on a puny dual-core 4G machine with a latent
rotating HDD. The majority of my builds are "./g pull -r; make" used
for testing. The less rough average is the "make distclean; ./g pull
-r; make" workflow, which reduced a 3h30m compile to about 2h05m on the
same hardware.
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