[ccache] useful test package to use with ccache at the outset in Gentoo.....

[Michael Fothergill]

Dear All,

I upgraded from ccache 3.2.4 to 3.3.4.  I think it is working now......

I might try out cachecc1.

A manual install will be required for that.

Regards

MF

On 7 December 2017 at 16:24, Michael Fothergill <
michael.fothergill at gmail.com> wrote:

> Dear Ccache community,
>
> I have an amd64 kaveri box with 8GB RAM and run Gentoo stable on it.
>
> I have just installed ccache with 2GB memory allocated to it.
>
> I have tried some repeat compilations to see if there would be any speed
> increase.
>
> So far I have not seen much change but I am not skilled enough to improve
> things yet.
>
> I tried compiling gcc, glibc and imagemagick but did not see much
> improvement.
>
> My cache data looks like this:
>
> djt /home/mikef # CCACHE_DIR="/var/tmp/ccache" ccache -s
> cache directory                     /var/tmp/ccache
> primary config                      /var/tmp/ccache/ccache.conf
> secondary config      (readonly)    /etc/ccache.conf
> cache hit (direct)                 12997
> cache hit (preprocessed)             517
> cache miss                         16291
> called for link                     2141
> called for preprocessing            1709
> multiple source files                  4
> compile failed                       197
> preprocessor error                    62
> bad compiler arguments                79
> unsupported source language         2275
> autoconf compile/link               1399
> unsupported compiler option            8
> no input file                       2617
> files in cache                     44633
> cache size                         891.9 MB
> max cache size                       2.0 GB
>
> Could you recommend a gentoo package that I could recompile twice that you
> think is one that is ideally suited to benefit from ccache being installed?
>
> Comments appreciated.
>
> Regards
>
> Michael Fothergill
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>