Date: Fri, 20 Oct 1995 11:55:04 PDT From: "Marty Leisner" <leisner@sdsp.mc.xerox.com> To: John Birrell <cimaxp1!jb@werple.net.au> Cc: mira!sdsp.mc.xerox.com!leisner@werple.net.au (Marty Leisner), hackers@freebsd.org, jb@cimlogic.com.au Subject: Re: NetBSD/FreeBSD (pthreads) Message-ID: <9510201855.AA17636@gnu.mc.xerox.com> In-Reply-To: Your message of "Thu, 19 Oct 1995 15:25:25 PDT." <199510192222.IAA02052@werple.net.au>
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Why would I want kernel level threads? 1) does a debugger understand userlevel threads? 2) if I run a threaded application under strace, with kernel levels threads is may make some sense...with user level threads there's all this junk in the way... 3) Anyone have good hard numbers about the differences between user/kernel level threads on performance? Like I said, the mit package is awfully clever... -- marty leisner@sdsp.mc.xerox.com Member of the League for Programming Freedom
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