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| author | neodarz <neodarz@neodarz.net> | 2018-08-11 20:21:34 +0200 |
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| committer | neodarz <neodarz@neodarz.net> | 2018-08-11 20:21:34 +0200 |
| commit | 0ea5fc66924303d1bf73ba283a383e2aadee02f2 (patch) | |
| tree | 2568e71a7ccc44ec23b8bb3f0ff97fb6bf2ed709 /pipermail/nel/2001-March/000316.html | |
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diff --git a/pipermail/nel/2001-March/000316.html b/pipermail/nel/2001-March/000316.html new file mode 100644 index 00000000..b6f93e2c --- /dev/null +++ b/pipermail/nel/2001-March/000316.html @@ -0,0 +1,86 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML> + <HEAD> + <TITLE> [Nel] NeL Network Engine</TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:dayta%40ucc.gu.uwa.edu.au"> + <LINK REL="Previous" HREF="000314.html"> + <LINK REL="Next" HREF="000313.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[Nel] NeL Network Engine</H1> + <B>Leighton Haynes</B> + <A HREF="mailto:dayta%40ucc.gu.uwa.edu.au" + TITLE="[Nel] NeL Network Engine">dayta@ucc.gu.uwa.edu.au</A><BR> + <I>Thu, 1 Mar 2001 17:33:07 +0800</I> + <P><UL> + <LI> Previous message: <A HREF="000314.html">[Nel] NeL Network Engine</A></li> + <LI> Next message: <A HREF="000313.html">[Nel] STLPort...</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#316">[ date ]</a> + <a href="thread.html#316">[ thread ]</a> + <a href="subject.html#316">[ subject ]</a> + <a href="author.html#316">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>On Thu, Mar 01, 2001 at 09:52:21AM +0100, Vincent Archer wrote: +><i> According to Leighton Haynes: +</I>><i> > I'm not sure if this is a really important issue right now. As many +</I>><i> > people have noted, premature optimization is the source of all evil. +</I>><i> +</I>><i> It is somewhat important. There are optimisations that can be done further, +</I>><i> but there are also fundamental design issues that reflect how everything +</I>><i> else in the server code has to be written. +</I>><i> +</I>><i> You do not program an event-driven system like you would on a thread-based +</I>><i> system. Converting from one model to another would be horribly painful, +</I>><i> which is why the "right" one has to be selected. Once we pick one, we'll +</I>><i> have to stick by it, and the more code is produced under a model, the +</I>><i> +</I>><i> Which is why the decision about this was deferred until it can no longer +</I>><i> be truly avoided. +</I> +*ponder* + +I can't see the fundamental difference between an event-driven and +a thread-based model. In an event-driven model , some central arbiter +gets the input, grabs the data representing the 'entity', processes it, +and sends a reply. In a thread-based model, each entitiy is a thread, +the entity receives a message , processes it, and sends a reply. +The fundamental differences, are in the message addressing, and +the context switching. + +What are the issues here? So far I've seen only discussion of +how many threads we can handle, which doesn't seem to be the +central issue. What we really need, is a list of the requirements +for this particular sub-system. (Perhaps they exist somewhere, +but I haven't seen them). + + +Leighton... + +-- + +Part-time student. Full-time Programmer. +Seeking the 36 hour day and the 10 hour working week. +(08) 9272 9058 (Home - like I'm ever there) +0401 335 136 (Mobile - like it's ever on) + +</pre> + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI> Previous message: <A HREF="000314.html">[Nel] NeL Network Engine</A></li> + <LI> Next message: <A HREF="000313.html">[Nel] STLPort...</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#316">[ date ]</a> + <a href="thread.html#316">[ thread ]</a> + <a href="subject.html#316">[ subject ]</a> + <a href="author.html#316">[ author ]</a> + </LI> + </UL> +</body></html> |