diff options
| author | dd <dd@FreeBSD.org> | 2001-07-15 12:27:21 +0000 |
|---|---|---|
| committer | dd <dd@FreeBSD.org> | 2001-07-15 12:27:21 +0000 |
| commit | a369903ae18a4fb76eae63eaac2eb83cfe1fb067 (patch) | |
| tree | 0e0d456636b55f7a06433d1be93c2605f310c348 | |
| parent | 12b65467267e8a91ecdb91cf32e1f650388a402a (diff) | |
| download | FreeBSD-src-a369903ae18a4fb76eae63eaac2eb83cfe1fb067.zip FreeBSD-src-a369903ae18a4fb76eae63eaac2eb83cfe1fb067.tar.gz | |
New release notes: dirhash, new ddb(4) commands, and SSE.
| -rw-r--r-- | release/doc/en_US.ISO8859-1/relnotes/article.sgml | 17 | ||||
| -rw-r--r-- | release/doc/en_US.ISO8859-1/relnotes/common/new.sgml | 17 |
2 files changed, 34 insertions, 0 deletions
diff --git a/release/doc/en_US.ISO8859-1/relnotes/article.sgml b/release/doc/en_US.ISO8859-1/relnotes/article.sgml index 7406353..072a830 100644 --- a/release/doc/en_US.ISO8859-1/relnotes/article.sgml +++ b/release/doc/en_US.ISO8859-1/relnotes/article.sgml @@ -206,6 +206,23 @@ variable; &man.dmesg.8; no longer needs to be SGID <groupname>kmem</groupname>.</para> + <para>A simple hash-based lookup optimization for large directories + called <literal>dirhash</literal> has been added. Conditional on the + <literal>UFS_DIRHASH</literal> kernel option, it improves the speed of + operations on very large directories at the expense of some + memory.</para> + + <para>Two new &man.ddb.4; commands, <command>hwatch</command> and + <command>dhwatch</command>, have been introduced. Analogous to + <command>watch</command> and <command>dwatch</command>, they install + hardware watchpoints (as opposed to software watchpoints) if supported + by the architecture.</para> + + <para arch="i386">Support for Streaming <acronym>SIMD</acronym> + Extensions (<acronym>SSE</acronym>) has been introduced. The + <literal>CPU_ENABLE_SSE</literal> kernel option controls whether + support is compiled into the kernel.</para> + <sect3> <title>Processor/Motherboard Support</title> diff --git a/release/doc/en_US.ISO8859-1/relnotes/common/new.sgml b/release/doc/en_US.ISO8859-1/relnotes/common/new.sgml index 7406353..072a830 100644 --- a/release/doc/en_US.ISO8859-1/relnotes/common/new.sgml +++ b/release/doc/en_US.ISO8859-1/relnotes/common/new.sgml @@ -206,6 +206,23 @@ variable; &man.dmesg.8; no longer needs to be SGID <groupname>kmem</groupname>.</para> + <para>A simple hash-based lookup optimization for large directories + called <literal>dirhash</literal> has been added. Conditional on the + <literal>UFS_DIRHASH</literal> kernel option, it improves the speed of + operations on very large directories at the expense of some + memory.</para> + + <para>Two new &man.ddb.4; commands, <command>hwatch</command> and + <command>dhwatch</command>, have been introduced. Analogous to + <command>watch</command> and <command>dwatch</command>, they install + hardware watchpoints (as opposed to software watchpoints) if supported + by the architecture.</para> + + <para arch="i386">Support for Streaming <acronym>SIMD</acronym> + Extensions (<acronym>SSE</acronym>) has been introduced. The + <literal>CPU_ENABLE_SSE</literal> kernel option controls whether + support is compiled into the kernel.</para> + <sect3> <title>Processor/Motherboard Support</title> |
