Date: Sat, 25 Apr 1998 12:16:35 -0700 From: Mike Smith <mike@smith.net.au> To: "Jordan K. Hubbard" <jkh@time.cdrom.com> Cc: "John S. Dyson" <toor@dyson.iquest.net>, toshok@Hungry.COM (Christoph Toshok), freebsd-hackers@FreeBSD.ORG Subject: Re: threads performance Message-ID: <199804251916.MAA00591@antipodes.cdrom.com> In-Reply-To: Your message of "Sat, 25 Apr 1998 12:06:44 PDT." <3679.893531204@time.cdrom.com>
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> > The issue of kernel threads is on my plate, I have been *ordered* > > I think he was still wanting to know (and I'm darn curious myself) > why our *user* threads are so slow in comparison to the user thread > packages on other platforms. I'm not saying kernel threads aren't > neat or needed, I'm just wondering what specific performance bogon > we're suffering from in userland which makes it so? As was pointed out at the SFBUG, at least one of the problems is the number of signal mask manipulation system calls that take place. Why this hurts so much be comparison to other platforms (which supposedly also do this) is another question entirely. -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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