Subject: New features in NetBSD 2.0
To: None <>
From: SODA Noriyuki <>
List: netbsd-docs
Date: 10/12/2004 23:39:58
 if you have any comments to this post]

I have some comments about the following page:
(Chapter,A (B2.,A (BNew features in NetBSD 2.0)

> 2.1.1.,A (BNative threads
> multiple threads within the same process can run concurrently on
> different CPUs

It's worth mentioning that one needs to set $PTHREAD_CONCURRENCY
CPUs on NetBSD 2.0. Especially because there is no existing common
a temporary measure.
(If our implementation is mature enough, the pthread library

Also, there are some other topics which are worth mentioning.

1. old buffer cache, which is used to cache filesystem metadata
  (e.g. directories, i-nodes), are now dynamically allocated.

  by default.
  On machines which only have really small memory, it may be
2. Many enhancements about user visible library functions.
  e.g. native iconv(3), utmpx, SA_SIGINFO, POSIX 1003.1b semaphores, ...

3. Many scalability improvements. e.g. rbtree vmmap, splay tree
  pvtree on i386 pmap, O(C) data insertion into socket buffers, etc...