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<H1>Re: [MUD-Dev] Re: MUD Development Digest</H1>
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<LI><em>To</em>: <A HREF="mailto:mud-dev#null,net">mud-dev#null,net</A></LI>
<LI><em>Subject</em>: Re: [MUD-Dev] Re: MUD Development Digest</LI>
<LI><em>From</em>: Jon Leonard <<A HREF="mailto:jleonard#divcom,umop-ap.com">jleonard#divcom,umop-ap.com</A>></LI>
<LI><em>Date</em>: Fri, 10 Apr 1998 12:31:05 -0700</LI>
<LI><em>Cc</em>: Jon Leonard <<A HREF="mailto:jleonard#divcom,umop-ap.com">jleonard#divcom,umop-ap.com</A>></LI>
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<PRE>
On Fri, Apr 10, 1998 at 11:51:01AM +0000, Chris Gray wrote:
> [Alex O:]
>
> [Fibre description snipped]
>
> :I don't any advantage in using fibers instead of threads in a MUD server.
>
> I'll second that. Fibres within a thread cannot take advantage of extra
> CPU's, so give you no speed increase on multi-CPU machines. If a fibre
> does a system call, the entire thread is busy until that call returns.
> So, unless you have some flow-control problem that is best solved by
> having the multiple contexts of multiple fibres, and you need to switch
> those contexts so often that threads are too expensive, there is little
> gain to using fibres.
The one advantage they would have is that mutual exclusion code doesn't
have to be written as carefully: context switches are known not to happen
in critical regions.
In other words, some kinds of broken code will still run. It's not worth it.
It's the cooperative/preemptive multitasking tradoffs all over again.
Jon Leonard
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<LI><STRONG><A NAME="00123" HREF="msg00123.html">Re: [MUD-Dev] Re: MUD Development Digest</A></STRONG>
<UL><LI><EM>From:</EM> cg#ami-cg,GraySage.Edmonton.AB.CA (Chris Gray)</LI></UL></LI>
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<ul><li>Thread context:
<BLOCKQUOTE><UL>
<LI><STRONG>Re: [MUD-Dev] Re: [Fwd: MUD-Dev]</STRONG>, <EM>(continued)</EM>
<ul compact>
<ul compact>
<ul compact>
<ul compact>
<LI><strong><A NAME="00059" HREF="msg00059.html">Re: [MUD-Dev] Re: [Fwd: MUD-Dev]</A></strong>,
J C Lawrence <a href="mailto:claw#under,engr.sgi.com">claw#under,engr.sgi.com</a>, Tue 07 Apr 1998, 22:24 GMT
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<LI><strong><A NAME="00083" HREF="msg00083.html">Re: [MUD-Dev] [Fwd: MUD-Dev]</A></strong>,
J C Lawrence <a href="mailto:claw#under,engr.sgi.com">claw#under,engr.sgi.com</a>, Thu 09 Apr 1998, 02:24 GMT
</LI>
</ul>
</LI>
<LI><strong><A NAME="00040" HREF="msg00040.html">[MUD-Dev] Re: MUD Development Digest</A></strong>,
J C Lawrence <a href="mailto:claw#under,engr.sgi.com">claw#under,engr.sgi.com</a>, Mon 06 Apr 1998, 17:09 GMT
<UL>
<li><Possible follow-up(s)><br>
<LI><strong><A NAME="00123" HREF="msg00123.html">Re: [MUD-Dev] Re: MUD Development Digest</A></strong>,
Chris Gray <a href="mailto:cg#ami-cg,GraySage.Edmonton.AB.CA">cg#ami-cg,GraySage.Edmonton.AB.CA</a>, Fri 10 Apr 1998, 18:21 GMT
<UL>
<LI><strong><A NAME="00125" HREF="msg00125.html">Re: [MUD-Dev] Re: MUD Development Digest</A></strong>,
Jon Leonard <a href="mailto:jleonard#divcom,umop-ap.com">jleonard#divcom,umop-ap.com</a>, Fri 10 Apr 1998, 19:33 GMT
</LI>
<LI><strong><A NAME="00337" HREF="msg00337.html">[MUD-Dev] Re: MUD Development Digest</A></strong>,
Jon A. Lambert <a href="mailto:jlsysinc#ix,netcom.com">jlsysinc#ix,netcom.com</a>, Wed 22 Apr 1998, 22:24 GMT
</LI>
</UL>
</LI>
<LI><strong><A NAME="00387" HREF="msg00387.html">[MUD-Dev] Re: MUD Development Digest</A></strong>,
Chris Gray <a href="mailto:cg#ami-cg,GraySage.Edmonton.AB.CA">cg#ami-cg,GraySage.Edmonton.AB.CA</a>, Thu 23 Apr 1998, 14:46 GMT
<UL>
<LI><strong><A NAME="00498" HREF="msg00498.html">[MUD-Dev] Re: MUD Development Digest</A></strong>,
Ben Greear <a href="mailto:greear#cyberhighway,net">greear#cyberhighway,net</a>, Fri 24 Apr 1998, 04:11 GMT
<UL>
<LI><strong><A NAME="00515" HREF="msg00515.html">[MUD-Dev] Re: MUD Development Digest</A></strong>,
Dr. Cat <a href="mailto:cat#bga,com">cat#bga,com</a>, Fri 24 Apr 1998, 04:44 GMT
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