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author | bmah <bmah@FreeBSD.org> | 2003-02-23 02:04:12 +0000 |
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committer | bmah <bmah@FreeBSD.org> | 2003-02-23 02:04:12 +0000 |
commit | add44bfbad14aeaf794875f6c7db1af3319eb365 (patch) | |
tree | 827cf7cc67753de5f12b077eded6307253f0d14c | |
parent | 131c27362a9759fd2cb84bbdc366577d29fd3acf (diff) | |
download | FreeBSD-src-add44bfbad14aeaf794875f6c7db1af3319eb365.zip FreeBSD-src-add44bfbad14aeaf794875f6c7db1af3319eb365.tar.gz |
Add a paragraph on HyperThreading support.
-rw-r--r-- | release/doc/en_US.ISO8859-1/hardware/i386/proc-i386.sgml | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/release/doc/en_US.ISO8859-1/hardware/i386/proc-i386.sgml b/release/doc/en_US.ISO8859-1/hardware/i386/proc-i386.sgml index f073b68..2b6780b 100644 --- a/release/doc/en_US.ISO8859-1/hardware/i386/proc-i386.sgml +++ b/release/doc/en_US.ISO8859-1/hardware/i386/proc-i386.sgml @@ -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. |