Date: Sat, 31 Oct 1998 14:34:25 -0600 From: Kris Kirby <kris@airnet.net> To: Dan Nelson <dnelson@emsphone.com> Cc: Al Stodolski <STODOLSK@symbol.com>, freebsd-questions@FreeBSD.ORG Subject: Re: Linux emulation Message-ID: <363B7451.988811F4@airnet.net> References: <s63acc3b.086@roadrunner.symbol.com> <19981031133014.A2302@emsphone.com>
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Dan Nelson wrote: > > In the last episode (Oct 31), Al Stodolski said: > > Is there a compromise in performance for anyone who runs Linux apps > > using emulation in FreeBSD? I'm finding very few apps out there > > built specifically for FreeBSD. I'm recalling how badly the Mac OS > > ran Windows apps using an emulation package called SoftPC. > > That's because SoftPC had to emulate the entire IBM-PC architecture, > including the x86 processor, FPU, video, etc. All our Linuxulator has > to do is translate Linux system calls into the appropriate FreeBSD > ones, a much simpler task. For most programs, you shouldn't see any > speed loss running a program under emulation. It appears they found a new and faster way to do this: put a PC in a Mac. They are now making accelerator cards which have PC-style processors on them to do the work. You can imagine my suprise at seeing a PowerPC Mac with Windows 95(tm) running on it. The owner explained that a 486DX/100 was doing the job of a PC, while MacOS was (appearently) still running on the PowerPC CPU. -- Kris Kirby UAH Mail <kirbyk@email.uah.edu> UAH CS <kkirby@cs.uah.edu> Home <kris@airnet.net> WWW <nomurphy@hotmail.com> ------------------------------------------- TGIFreeBSD... 'Nuff said. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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