On Wed, Sep 5, 2012 at 5:45 PM, Mat M <matm@gmx.fr> wrote:
Hello
ccache for windows under cygwin is working. That's a fact.
ccache is provided as a binary in the dev-tools repo.
As provided by kendy on
http://artax.karlin.mff.cuni.cz/~kendy/blog/archives/monthly/2011-04.html, I
set it and my config_host.mk confirmed it.
But is it normal that ccache on 3.6 branch only uses 3Gb ? I find it very
low, compared to all binary files produced.
Could someone on linux give its ccache stats to compare ?
here is my linux tinderbox stats:
$ ccache -s
cache directory /home/n_th/.ccache
cache hit 80679599
cache miss 2662640
called for link 3141612
multiple source files 13767
compile failed 6062048
ccache internal error 558
preprocessor error 261427
cache file missing 590
not a C/C++ file 1123396
autoconf compile/link 5287939
unsupported compiler option 4159126
no input file 6913498
files in cache 183287
cache size 7.2 Gbytes
max cache size 8.0 Gbytes
but bear in mid that this has been building 20-50 time a days of quite
some times now...
here the stats for a windows buildbot:
$ ccache.exe -s
cache directory C:\\lo/.ccache
cache hit 3957024
cache miss 387960
compile failed 288
ccache internal error 4
preprocessor error 56
no input file 9648
files in cache 138363
cache size 18.1 Gbytes
max cache size 20.0 Gbytes
again over time the size tend to creep up to the max allowed, so won't
tell you much...
but comparing the two (that is the average file size of files in
cache), one can expect, all things being equal, the ccache size on
Windows to be roughly 3.5 time bigger on windows than Linux
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