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Article #3105

Re: The Endless Debate on CMT vs PMT (was: Debate: PowerMac "trounces" Pentium....???)

#3105
From: aglynn
Date: Thu, 08 Feb 1996 18:17
44 lines
3160 bytes
In <nevin-0702960733520001@150.135.1.79>, nevin@CS.Arizona.EDU (Nevin ":-]" Liber) writes:
>In article <4f6bag$ckp@news.mpd.tandem.com>, Joseph Crowe <jcrowe> wrote:
>
>>    Here you hit on the one essential issue that probably causes all of the
>> conflict in the PMT vs. CMT debate.  Essentially, with PMT, the OS controls
>> what the app can do, such that the writer of the app should not have the
>> capability of "taking over the machine". 
>
>But we give that right up all the time.  Heck, it is trivial to do a
>denial of service attack to a host on a TCP/IP network.  Again, in
>practice, it doesn't come up very often.  Since it is indeed possible,
>should we give up our networks?
>
>> >That is because one of the rules of programming a CMT system is that you
>> >have to give up time for other processes to run.  Duh.  Are you really,
>> >truly, honestly so dumb that you don't understand this?  If you really
>> >don't, then you are too stupid to be programming a Mac or Windows or DOS
>> >machine.
>
>>   You're reaching...the telltale sign is that you feel it necessary to insult
>> the other individual in the debate rather than apply reason and logic.
>
>No.  There are some people you can't convince, no matter how much reason
>and logic you use.  Example:  the Monty Hall problem on rec.puzzles (no,
>don't discuss it here and for their sake, don't dicuss it there).  Some
>people believe that the answer is 50%, not 66 2/3%, and that debate has
>been going on longer than this one!  It doesn't matter how well you
>present the correct solution to them, they are just too stubborn or too
>dumb to get it.
>
>The debate has gone something like this:
>
>Don:  In a CMT environment, a non-cooperating process can starve other
>processes.
>Me:  You bet it can.  In practice, almost none of the applications exhibit
>this behavior.

Start a background download in White Knight or Zterm, then go into Photoshop 
and do a 24 pixel Gaussian blur on a 20mb image.  See how long your connection
lasts (on a 7100/66 here - about 2.5 seconds to failure).

Try the same using Zoc and ColorWorks on an OS/2 PC, not a single character
dropped.  Incidentally the Gaussian blur happens faster as well on a P75 w/ same
Ram (48mb). 
Technical Details
Message-ID: <4fdeo3$2crq@news-s01.ny.us.ibm.net>
Path: arc1-ca.pugleaf.net!news-m01.ny.us.ibm.net!usenet
References: <4csn1n$klb@macshack.com> <DKxzFK.2r6@eskimo.com> <4d3m6o$bb6@macshack.com> <4d428mINNe14@anaconda.cis.ohio-state.edu> <4d9ui4$e63@macshack.com> <david-1401960302090001@s245_7.resnet.ucla.edu> <1996Jan26.192156@eigb> <jragosta-2601961539320001 <19960204.10AE3B8.A1B8@olympus.net> <nevin-0402961759250001@150.135.1.79> <4f6bag$ckp@news.mpd.tandem.com> <nevin-0702960733520001@150.135.1.79>

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Path: arc1-ca.pugleaf.net!news-m01.ny.us.ibm.net!usenet
From: aglynn@ibm.net
Newsgroups: comp.sys.powerpc,comp.os.linux.advocacy,comp.sys.mac.advocacy,comp.os.os2.advocacy,comp.sys.amiga.advocacy,comp.sys.intel
Subject: Re: The Endless Debate on CMT vs PMT (was: Debate: PowerMac "trounces" Pentium....???)
Date: 8 Feb 1996 18:17:39 GMT
Message-ID: <4fdeo3$2crq@news-s01.ny.us.ibm.net>
References: <4csn1n$klb@macshack.com> <DKxzFK.2r6@eskimo.com> <4d3m6o$bb6@macshack.com> <4d428mINNe14@anaconda.cis.ohio-state.edu> <4d9ui4$e63@macshack.com> <david-1401960302090001@s245_7.resnet.ucla.edu> <1996Jan26.192156@eigb> <jragosta-2601961539320001 <19960204.10AE3B8.A1B8@olympus.net> <nevin-0402961759250001@150.135.1.79> <4f6bag$ckp@news.mpd.tandem.com> <nevin-0702960733520001@150.135.1.79>
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