On Mon, 2011-08-08 at 11:40 +0200, Christian Lohmaier wrote:
> Hi Lubos,
> (snip)
>
> Not true either. Default ccache size is 1GB, and that is enough when
> you focus on one branch. (a build uses less than 500MB)
Just a note about what I have observed, for anybody who
happens to care.
I have configured LO with options
--disable-mozilla
--enable-symbols
--enable-dbgutil
--enable-crashdump
--disable-build-mozilla
--without-junit
and completed my first build of LO using ccache up to the
step `make`. Cache statistics look like ...
cache directory /home/terry/.ccache
cache hit (direct) 6158
cache hit (preprocessed) 37
cache miss 11986
called for link 563
multiple source files 3
compile failed 212
preprocessor error 34
bad compiler arguments 60
unsupported source language 15
autoconf compile/link 611
unsupported compiler option 1426
no input file 1309
files in cache 30789
cache size 4.1 Gbytes
max cache size 10.0 Gbytes
This makes me really glad that I set a max cache size larger
than the default 1 GB,
For comparison, after I had completed several non-product
builds of OpenOffice, my cache statistics looked like ...
cache directory
/media/2ced347d-3cdc-49f5-956d-099d36784957/terry/OOo_hacking/SRC_DIR_ccache
cache hit (direct) 0
cache hit (preprocessed) 15499
cache miss 14993
called for link 1192
multiple source files 9
compile failed 91
preprocessor error 24
unsupported source language 186
autoconf compile/link 666
no input file 450
files in cache 29986
cache size 1.5 Gbytes
max files 100000
max cache size 10.0 Gbytes
I do not remember turning on cache compression back then,
but that could well explain the big difference in cache
size.
Cheers,
Terry.
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