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diff --git a/pipermail/nel/2001-March/000325.html b/pipermail/nel/2001-March/000325.html new file mode 100644 index 00000000..2b1cdbfb --- /dev/null +++ b/pipermail/nel/2001-March/000325.html @@ -0,0 +1,205 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML> + <HEAD> + <TITLE> [Nel] Network Connections</TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:michael%40in-orbit.net"> + <LINK REL="Previous" HREF="000324.html"> + <LINK REL="Next" HREF="000331.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[Nel] Network Connections</H1> + <B>Michael Warnock</B> + <A HREF="mailto:michael%40in-orbit.net" + TITLE="[Nel] Network Connections">michael@in-orbit.net</A><BR> + <I>Thu, 1 Mar 2001 15:41:15 -0800</I> + <P><UL> + <LI> Previous message: <A HREF="000324.html">[Nel] Network Connections</A></li> + <LI> Next message: <A HREF="000331.html">[Nel] Network Connections</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#325">[ date ]</a> + <a href="thread.html#325">[ thread ]</a> + <a href="subject.html#325">[ subject ]</a> + <a href="author.html#325">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>This is a multi-part message in MIME format. + +------=_NextPart_000_0052_01C0A266.0D10C2A0 +Content-Type: text/plain; + charset="iso-8859-1" +Content-Transfer-Encoding: quoted-printable + +oops:) + +It is actually <A HREF="http://www.stackless.com=20">http://www.stackless.com=20</A> + +Here are more relavent urls: +<A HREF="http://world.std.com/~wware/uthread.html">http://world.std.com/~wware/uthread.html</A> +<A HREF="http://www.eve-online.com/faq/faq_08.asp">http://www.eve-online.com/faq/faq_08.asp</A> +<A HREF="http://pdos.lcs.mit.edu/exo/">http://pdos.lcs.mit.edu/exo/</A> + +We hope to use the MIT exokernel the last url refers to as a stripped = +down os for the servers. + +Michael Warnock +In-Orbit Entertainment + ----- Original Message -----=20 + From: Michael Warnock=20 + To: <A HREF="mailto:nel@nevrax.org">nel@nevrax.org</A>=20 + Sent: Thursday, March 01, 2001 2:38 PM + Subject: Re: [Nel] Network Connections + + + 3) Windows did support something called micro threads, which had a = +much lower over head than traditional threads. These ( if i remember = +correctly ) were designed specifically for scalable IO ( as in IIS ). = +Some time looking here may well yield some useful results. + I come from a nix background, but I wouldn't doubt that windows also = +has had some implementation of microthreads. The best current way to = +use microthreads afaik is stackless python (stackless.org) which I (as = +the game mechanics programmer) plan to use on the server side of the = +game my company (In-Orbit Entertainment) is working on using the Nel = +library. Microthreads use an old and mostly forgotten programming = +concept called continuations- a continuation is, in brief, the rest of a = +program from any given point- that includes it's state and any branch of = +code it might follow from there. Stackless Python provides a way to = +reference continuations- which requires it not to use the C stack for = +framing(a neat trick u should read about). Writing microthreads is as = +simple as defining a bunch of functions and calling them at the same = +time with a special call- they are executed in parralel within the same = +thread and each requires almost no overhead above what they would if = +executed in serial. EVE (a commercial mmorpg) also plans to use = +stackless as the basis for their game mechanics. I dont have any = +benchmarks on its network performance or scalability, but I plan to test = +it soon. + + Michael Warnock + In-Orbit Entertainment + +------=_NextPart_000_0052_01C0A266.0D10C2A0 +Content-Type: text/html; + charset="iso-8859-1" +Content-Transfer-Encoding: quoted-printable + +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> +<HTML><HEAD> +<META content=3D"text/html; charset=3Diso-8859-1" = +http-equiv=3DContent-Type> +<META content=3D"MSHTML 5.00.3103.1000" name=3DGENERATOR> +<STYLE></STYLE> +</HEAD> +<BODY bgColor=3D#ffffff> +<DIV><FONT face=3DArial size=3D2>oops:)</FONT></DIV> +<DIV>&nbsp;</DIV> +<DIV><FONT face=3DArial size=3D2>It is actually <A=20 +href=3D"<A HREF="http://www.stackless.com"">http://www.stackless.com"</A>><A HREF="http://www.stackless.com</A">http://www.stackless.com</A</A>> = +</FONT></DIV> +<DIV>&nbsp;</DIV> +<DIV><FONT face=3DArial size=3D2>Here are more relavent = +urls:</FONT></DIV> +<DIV><FONT face=3DArial size=3D2><A=20 +href=3D"<A HREF="http://world.std.com/~wware/uthread.html"">http://world.std.com/~wware/uthread.html"</A>><A HREF="http://world.std.com/~w=">http://world.std.com/~w=</A> +ware/uthread.html</A><BR><A=20 +href=3D"<A HREF="http://www.eve-online.com/faq/faq_08.asp"">http://www.eve-online.com/faq/faq_08.asp"</A>><A HREF="http://www.eve-online.c=">http://www.eve-online.c=</A> +om/faq/faq_08.asp</A><BR><A=20 +href=3D"<A HREF="http://pdos.lcs.mit.edu/exo/"">http://pdos.lcs.mit.edu/exo/"</A>><A HREF="http://pdos.lcs.mit.edu/exo/</A">http://pdos.lcs.mit.edu/exo/</A</A>><BR= +><i></FONT></DIV> +</I><DIV><FONT face=3DArial size=3D2>We hope to use the MIT exokernel the = +last url=20 +refers to as a stripped down os for the servers.</FONT></DIV> +<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV> +<DIV><FONT face=3DArial size=3D2>Michael Warnock</FONT></DIV> +<DIV><FONT face=3DArial size=3D2>In-Orbit Entertainment</DIV></FONT> +<BLOCKQUOTE=20 +style=3D"BORDER-LEFT: #000000 2px solid; MARGIN-LEFT: 5px; MARGIN-RIGHT: = +0px; PADDING-LEFT: 5px; PADDING-RIGHT: 0px"> + <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV> + <DIV=20 + style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = +black"><B>From:</B>=20 + <A href=3D"mailto:<A HREF="mailto:michael@in-orbit.net">michael@in-orbit.net</A>" = +title=<A HREF="mailto:3Dmichael@in-orbit.net">3Dmichael@in-orbit.net</A>>Michael=20 + Warnock</A> </DIV> + <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A = +href=3D"mailto:<A HREF="mailto:nel@nevrax.org">nel@nevrax.org</A>"=20 + title=<A HREF="mailto:3Dnel@nevrax.org">3Dnel@nevrax.org</A>><A HREF="mailto:nel@nevrax.org">nel@nevrax.org</A></A> </DIV> + <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Thursday, March 01, 2001 = +2:38=20 + PM</DIV> + <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> Re: [Nel] Network=20 + Connections</DIV> + <DIV><BR></DIV> + <BLOCKQUOTE=20 + style=3D"BORDER-LEFT: #000000 2px solid; MARGIN-LEFT: 5px; = +MARGIN-RIGHT: 0px; PADDING-LEFT: 5px; PADDING-RIGHT: 0px"> + <DIV><FONT face=3DArial size=3D2>3) Windows did support something = +called micro=20 + threads, which had a much lower over head than traditional = +threads.&nbsp;=20 + These ( if i remember correctly ) were designed specifically for = +scalable IO=20 + ( as in IIS ).&nbsp; Some time looking here may well yield some = +useful=20 + results.</FONT></DIV></BLOCKQUOTE> + <DIV><FONT face=3DArial size=3D2>I come from a nix background, but I = +wouldn't=20 + doubt that windows also has had some implementation of = +microthreads.&nbsp; The=20 + best current way to use microthreads afaik is stackless python = +(stackless.org)=20 + which I (as the game mechanics programmer) plan to use on the server = +side of=20 + the game my company (In-Orbit Entertainment) is working on using the = +Nel=20 + library.&nbsp; Microthreads use an old and mostly forgotten = +programming=20 + concept called continuations- a continuation is, in brief, the rest of = +a=20 + program from any given point- that includes it's state and any branch = +of code=20 + it might follow from there.&nbsp; Stackless Python provides a way to = +reference=20 + continuations- which requires it not to use the C stack for framing(a = +neat=20 + trick u should read about).&nbsp; Writing microthreads is as simple as = + + defining a bunch of functions and calling them at the same time with a = +special=20 + call- they are executed in parralel within the same thread and each = +requires=20 + almost no overhead above what they would if executed in serial.&nbsp; = +EVE (a=20 + commercial mmorpg) also plans to use stackless as the basis for their = +game=20 + mechanics.&nbsp; I dont have any benchmarks on its network performance = +or=20 + scalability, but I plan to test it soon.</FONT></DIV> + <DIV>&nbsp;</DIV> + <DIV><FONT face=3DArial size=3D2>Michael Warnock</FONT></DIV> + <DIV><FONT face=3DArial size=3D2>In-Orbit=20 +Entertainment</FONT></DIV></BLOCKQUOTE></BODY></HTML> + +------=_NextPart_000_0052_01C0A266.0D10C2A0-- + + +</pre> + + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI> Previous message: <A HREF="000324.html">[Nel] Network Connections</A></li> + <LI> Next message: <A HREF="000331.html">[Nel] Network Connections</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#325">[ date ]</a> + <a href="thread.html#325">[ thread ]</a> + <a href="subject.html#325">[ subject ]</a> + <a href="author.html#325">[ author ]</a> + </LI> + </UL> +</body></html> |