Date: Mon, 14 Jul 2003 10:58:50 -0700 From: Terry Lambert <tlambert2@mindspring.com> To: Petri Helenius <pete@he.iki.fi> Cc: freebsd-threads@freebsd.org Subject: Re: LinuxThreads replacement Message-ID: <3F12EF5A.71249E4D@mindspring.com> References: <007601c3467b$5f20e960$020aa8c0@aims.private> <004d01c348ae$583084f0$812a40c1@PETEX31>
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Petri Helenius wrote: > > get up to speed with thread implementations. Is it just me, or > > are threads just a complete evil, which very few people > > understand correctly and are able to implement and/or use them > > correctly? > > Threads are harder to understand and debug. Once you get to think > in threads it actually helps productivity and creates simpler programs > because you can create a thread for a task instead of going trough > dozens of condition statements every time you return from a select or > similar. Other such advantages exist. Threads are for people who can't write finite state automatons. > Also, since future CPUs and systems are likely to have more parallel > execution units, threaded programs are ready to take advantage > of such beasts if your memory coherency protocol does not eat up > your performance. SMP scaling is an argument for threads. It's also an argument for processes. -- Terry
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