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| author | Manuel Canales Esparcia <manuel@linuxfromscratch.org> | 2005-01-30 10:36:17 +0000 |
|---|---|---|
| committer | Manuel Canales Esparcia <manuel@linuxfromscratch.org> | 2005-01-30 10:36:17 +0000 |
| commit | 155d6d1a6f514873d5e539f6d7445744b163f882 (patch) | |
| tree | d48426e1a2522667b3f9af662922739eed0ddde6 /chapter04/aboutsbus.xml | |
| parent | 4642c8986a9978835c902219285ea33d83ce2d1f (diff) | |
Removed obsolete commented text, chapter04.
git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@4596 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
Diffstat (limited to 'chapter04/aboutsbus.xml')
| -rw-r--r-- | chapter04/aboutsbus.xml | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/chapter04/aboutsbus.xml b/chapter04/aboutsbus.xml index 1e73867f6..5dcde564d 100644 --- a/chapter04/aboutsbus.xml +++ b/chapter04/aboutsbus.xml @@ -9,40 +9,4 @@ <para>See testing</para> -<!-- -<para>Most people would like to know beforehand approximately how long it -takes to compile and install each package. But <quote>Linux from Scratch</quote> is built -on so many different systems, it is not possible to give actual times that are -anywhere near accurate: the biggest package (Glibc) won't take more than -twenty minutes on the fastest systems, but will take something like three days -on the slowest - no kidding. So instead of giving actual times, we've come up -with the idea of using the <emphasis>Static Binutils Unit</emphasis> -(abbreviated to <emphasis>SBU</emphasis>).</para> - -<para>It works like this: the first package you compile in this book is the -statically linked Binutils in <xref linkend="chapter-temporary-tools"/>, and the time it -takes to compile this package is what we call the <quote>Static Binutils -Unit</quote> or <quote>SBU</quote>. All other compile times will be expressed -relative to this time.</para> - -<para>For example, consider a particular package whose compilation time is 4.5 -SBUs. This means that if on your system it took 10 minutes to compile and -install the static Binutils, then you know it will take -<emphasis>approximately</emphasis> 45 minutes to build this package. -Fortunately, most build times are much shorter than the one of Binutils.</para> - -<para>Note that if the system compiler on your host is GCC-2 based, the SBUs -listed may end up being somewhat understated. This is because the SBU is based -on the very first package, compiled with the old GCC, while the rest of the -system is compiled with the newer GCC-&gcc-version; which is known to be -approximately 30% slower.</para> - -<para>Also note that SBUs don't work well for SMP-based machines. But if you're -so lucky as to have multiple processors, chances are that your system is so fast -that you won't mind.</para> - -<para>If you wish to see actual timings for specific machines, have a look at -<ulink url="&lfs-root;~bdubbs/"/>.</para> ---> - </sect1> |