Re: 3380 Performance

Article View: bit.listserv.asm370

Article #1668

Back to bit.listserv.asm370 Previous Next

#1668

From: Peter Flass
Date: Mon, 01 Jun 1992 12:03

18 lines
1813 bytes

>   Anyway, let me give you more info from my investigations. By building CCW
>   programs, I effectively reached the limit of 15 track reads in 15 disk revs.
>   BUT, the real flow is 2000 kB/sec. In fact, CP uses * A LOT * of CPU time to
>   translate guest to real CCWs and other stuff, so I can't reach the
 theoretical
>   limit of 2400 kB/sec.

_Technical Support_  February and March issues had an extensive
discussion on CP's channel program translation which I don't believe
has been mentioned here.  You might find it interesting.

=====================================================================
= Peter Flass                               flass@nyslbd.gov        =
= Systems Programmer                        tel (518)458-5114       =
= NYS Legislative Bill Drafting Commission                          =
= 1450 Western Ave.                                                 =
= Albany, NY  12203                                                 =
=====================================================================

Technical Details

Message-ID: <ASM370%92060112032599@UCF1VM.BITNET>

Path: arc1-ca.pugleaf.net!sparky!uunet!paladin.american.edu!auvm!136.161.128.3!FLASS

Show Full Headers

Complete Article Headers

X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: fcdcb,7e72daf3a91dc416
X-Google-Attributes: gidfcdcb,public
X-Google-ArrivalTime: 1992-06-01 14:29:14 PST
Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
Path: arc1-ca.pugleaf.net!sparky!uunet!paladin.american.edu!auvm!136.161.128.3!FLASS
Message-ID: <ASM370%92060112032599@UCF1VM.BITNET>
Newsgroups: bit.listserv.asm370
Date:         Mon, 1 Jun 1992 12:03:22 LCL
Sender:       IBM 370 Assembly Programming Discussion List <ASM370@UGA.BITNET>
From:         Peter Flass <flass@136.161.128.3>
Subject:      Re: 3380 Performance
Comments: To: IBM 370 Assembly Programming Discussion List
              <ASM370@ucf1vm.cc.ucf.edu>
Comments: cc: Multiple recipients of list ASM370 <ASM370@ucf1vm.cc.ucf.edu>
Lines: 18