diff options
| -rw-r--r-- | release/doc/en_US.ISO8859-1/hardware/article.xml | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/release/doc/en_US.ISO8859-1/hardware/article.xml b/release/doc/en_US.ISO8859-1/hardware/article.xml index f51738d..6fac85c 100644 --- a/release/doc/en_US.ISO8859-1/hardware/article.xml +++ b/release/doc/en_US.ISO8859-1/hardware/article.xml @@ -177,16 +177,13 @@ bugs 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 &intel; CPUs that support this feature. 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. - Because this naive scheduling can result in suboptimal - performance, under certain circumstances it may be useful to - disable the logical processors with the - <varname>machdep.hyperthreading_allowed</varname> tunable. + <para>&os; will take advantage of SMT (Symmetric MultiThreading, + also known as HyperThreading on &intel; CPUs) on the supported + CPUs. The <filename>GENERIC</filename> kernel which is + installed by default will automatically detect the additional + logical processors. The default &os; scheduler recognizes + processor topology on the system and selects logical and + physical processors to obtain optimal performance. The &man.smp.4; manual page has more details.</para> <para>&os; will take advantage of Physical Address Extensions |
