Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!pacific.mps.ohio-state.edu!linac!att!ucbvax!ucsd!celit!ps
From: ps@fps.com (Patricia Shanahan)
Newsgroups: comp.arch
Subject: Re: how big are the queues on the SPARC floating point units?
Message-ID: <16637@celit.fps.com>
Date: 2 Apr 91 18:55:11 GMT
References: <11022@dog.ee.lbl.gov> <608@tms390.Micro.TI.COM> <6829@auspex.auspex.com>
Sender: daemon@fps.com
Reply-To: ps@fps.com (Patricia Shanahan)
Organization: FPS Computing Inc., San Diego CA
Lines: 14

In article <6829@auspex.auspex.com> guy@auspex.auspex.com (Guy Harris) writes:
 >>Taken together, FP trap software that must run on all current SPARC
 >>FPUs only needs to deal with queue depths in the range of 1 to 3.  In
 >>the future, the range will extend from 0 to 3 and possibly higher.
 >
 >Note that SunOS 4.x allows for a depth of up to 16.


The FPS 500 Series SPARC uses an FPU with a queue depth of 5.
--
	Patricia Shanahan
	ps@fps.com
        uucp : ucsd!celerity!ps
	phone: (619) 271-9940