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Add a paragraph on HyperThreading support.

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This commit is contained in:
Bruce A. Mah 2003-02-23 02:04:12 +00:00
parent 4b26786285
commit 1182819558
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=111291
1 changed files with 9 additions and 0 deletions
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release/doc/en_US.ISO8859-1/hardware/i386/proc-i386.sgml
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@ -34,6 +34,15 @@
may generate some problems. Perusal of the archives of the &a.smp;
may yield some clues.</para>
<para>&os; will take advantage of HyperThreading (HTT) support on
CPUs that support this feature. A kernel with the
<literal>SMP</literal> feature enabled will detect and start the
additional logical processors. The default &os; scheduler treats
the logical processors the same as additional physical
processors; in other words, no attempt is made to optimize
scheduling decisions given the shared resources between logical
processors within the same CPU.</para>
<para>&os; will generally run on i386-based laptops, albeit with
varying levels of support for certain hardware features such as
sound, graphics, power management, and PCCARD expansion slots.