🚀 go-pugleaf

RetroBBS NetNews Server

Inspired by RockSolid Light RIP Retro Guy

Article View: comp.sys.powerpc
Article #3608

Re: Debate: PowerMac "trounces" Pentium....???

#3608
From: Anthony D. Tribelli
Date: Thu, 11 Apr 1996 16:51
22 lines
1835 bytes
Nevin ":-]" Liber (nevin@CS.Arizona.EDU) wrote:
: adt@netcom.com (Anthony D. Tribelli) wrote:

: > Which is why I believe CMT applications require extra care when written,
: > i.e. they are created (written) differently than a PMT application (the
: > contradiction to your earlier "no difference" statement). A threaded CMT
: > application needs a little more care to ensure that some interaction
: > between threads does not cause the app to hog the CPU. 

: And PMT threads have to do sychronization (semaphores, etc.) to make sure
: that shared data remains consistent, while CMT threads do not.  It's just
: a tradeoff.

I believe you are mistaken, CMT threads may need to do synchronization. 
Things like sprinkling CPU yields inside of time consuming blocks of code
do not neccessarily guarantee any sort of coordination between threads. 

Tony
-- 
------------------
Tony Tribelli
adtribelli@acm.org
Technical Details
Message-ID: <adtDppItC.I7q@netcom.com>
Path: arc1-ca.pugleaf.net!netcom.com!adt
References: <4jj4mj$jnk@nntpb.cb.att.com> <danpop.828822597@rscernix> <3167FCAA.101@mts.se> <31680215.403E@mts.se> <4kdvbi$77c@dfw-ixnews4.ix.netcom.com> <adtDpLvI2.H3u@netcom.com> <dke-1004960729580001@adnline44.adnc.com> <adtDpntEF.Epw@netcom.com> <nevin-1104960029340001@192.12.69.5>

Show Full Headers
Complete Article Headers
Newsgroups: comp.sys.powerpc,comp.os.linux.advocacy,comp.sys.mac.advocacy,comp.os.os2.advocacy,comp.sys.amiga.advocacy,comp.sys.intel
Path: arc1-ca.pugleaf.net!netcom.com!adt
From: adt@netcom.com (Anthony D. Tribelli)
Subject: Re: Debate: PowerMac "trounces" Pentium....???
Message-ID: <adtDppItC.I7q@netcom.com>
Followup-To: comp.sys.powerpc,comp.os.linux.advocacy,comp.sys.mac.advocacy,comp.os.os2.advocacy,comp.sys.amiga.advocacy,comp.sys.intel
Organization: NETCOM On-line Communication Services (408 261-4700 guest)
X-Newsreader: TIN [version 1.2 PL1]
References: <4jj4mj$jnk@nntpb.cb.att.com> <danpop.828822597@rscernix> <3167FCAA.101@mts.se> <31680215.403E@mts.se> <4kdvbi$77c@dfw-ixnews4.ix.netcom.com> <adtDpLvI2.H3u@netcom.com> <dke-1004960729580001@adnline44.adnc.com> <adtDpntEF.Epw@netcom.com> <nevin-1104960029340001@192.12.69.5>
Date: Thu, 11 Apr 1996 16:51:12 GMT
Sender: adt@netcom10.netcom.com