Date: Wed, 2 Apr 2003 16:29:35 +0200 From: Sheldon Hearn <sheldonh@starjuice.net> To: Terry Lambert <tlambert2@mindspring.com> Cc: Jeff Roberson <jroberson@chesapeake.net> Subject: Re: libthr and 1:1 threading. Message-ID: <20030402142935.GA790@starjuice.net> In-Reply-To: <3E8AEE1E.AB0583B0@mindspring.com> References: <20030402070515.40396.qmail@web41803.mail.yahoo.com> <20030402132252.23f4e6f3.Alexander@Leidinger.net> <3E8AEE1E.AB0583B0@mindspring.com>
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On (2003/04/02 06:05), Terry Lambert wrote: > > I think Jeff (or someone else?) said, that some web browsers gain > > "something" too (serialization issues with libc_r)? I had the impression > > that this also applies to UP systems. > > > > Do I misremember this? If not, does it not apply to UP systems as well? > > FWIW: the libc_r reentrancy isn't fixed by a 1:1 model for > anything but calls for which there are no non-blocking > alternative kernel APIs. [...long ramble...] For all the rambling, I'm happy to report that my SCHED_ULE + libthr UP workstation feels noticibly more responsive when I have several Mozilla tabs all loading pages simultaneously while I'm trying to make a threaded Java IDE do something sensible. It's possible that I'm actually seeing the impact of other changes that have been committed in the last week, I suppose. Ciao, Sheldon.
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