From owner-freebsd-current Fri Jan 19 5:39:55 2001 Delivered-To: freebsd-current@freebsd.org Received: from mail.clones.com (unknown [216.70.178.182]) by hub.freebsd.org (Postfix) with ESMTP id AD9A537B400; Fri, 19 Jan 2001 05:39:35 -0800 (PST) Received: from localhost (gross@localhost) by mail.clones.com (8.9.3/8.9.3) with ESMTP id FAA07315; Fri, 19 Jan 2001 05:40:16 -0800 Date: Fri, 19 Jan 2001 05:40:15 -0800 (PST) From: Glendon Gross To: Mike Smith Cc: Will Andrews , FreeBSD Current Subject: Re: HEADS UP: I386_CPU In-Reply-To: <200101181944.f0IJiIQ00677@mass.osd.bsdi.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Just out of curiousity, has anyone documented how much of a performance hit there is with the i386 code enabled in the kernel? Regards, Glen Gross On Thu, 18 Jan 2001, Mike Smith wrote: > > > That's one of the big reasons that we're 4.x based right now rather > > > than 3.x based, despite 4.x's slightly larger memory footprint. That > > > and 4.x's much better c++ compiler. > > > > Well, Warner, I've never done embedded systems. So, tell me, do they > > actually use any C++ code in embedded systems? C++ has a rather high > > overhead as far as disk space & memory goes. I would imagine that 99%+ > > of embedded systems do not use C++ code except perhaps for a very small > > amount of the code. > > You have a very vivid imagination. > > Unfortunately, imagination isn't very helpful here; the whole idea is to > do stuff that's actually useful, not just what we'd imagine might be > useful. And in that regard, a *lot* of application programming (which > includes programming for embedded systems) is done using c++ compilers. > > -- > ... every activity meets with opposition, everyone who acts has his > rivals and unfortunately opponents also. But not because people want > to be opponents, rather because the tasks and relationships force > people to take different points of view. [Dr. Fritz Todt] > V I C T O R Y N O T V E N G E A N C E > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-current" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message