🚀 go-pugleaf

RetroBBS NetNews Server

Inspired by RockSolid Light RIP Retro Guy

Article View: bit.listserv.asm370
Article #1591

Re: instruction alignment and DIAG

#1591
From: Scott (nmi) Mattes
Date: Thu, 02 Jan 1992 12:53
34 lines
2090 bytes
On Tue, 31 Dec 1991 21:56:48 EST Bruce Crabill said:
>>My 9370 is a factor of 45 (yep, forty-five) times slower on unaligned loads. I
  ........ some deleted ...........

>boundary and has to do an extra fetch.  But on a 9375-60 I tried it on,
>I got:
>
>Test      Nanoseconds
>--------  -----------
>L0            227.356
>L1           6114.775
>L2           6114.938
>L3           6044.049
>L4            227.360
>L5           6111.301
>L6           6113.570
>L7           6047.414

  We had a 9370-60 here for awhile and the thing that stuck in my mind
was that even with no one on it seemed to take forever, now I 'know' it
wasn't just me.

>By the way, I'm looking for other CPUs to run my benchmark on.  PCMs are
>welcome too.  When I've collected enough results, I'll stick them on our
>LISTSERV for anyone to pick up.  It is a CPU intensive benchmark that
>measures the execution time of a variety of normal user instructions.
>It takes about 5 minutes to run on a 3090-180J class machine (or about
>2 hours on the 9375-60...).

  I would love to have and run your benchmark.  I can't offer anything
current to run it on, just a 3081-32 kx.

Scott       | No success can compensate for failure in the home. David O. McKay
Mattes      | President 1951-70, Church of Jesus Christ of Latter-Day Saints
Technical Details
Message-ID: <ASM370%92010208095312@UCF1VM.BITNET>
Path: arc1-ca.pugleaf.net!sparky!uunet!paladin.american.edu!auvm!SEA04VM.NAVSEA.NAVY.MIL!COTRSSM

Show Full Headers
Complete Article Headers
X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: fcdcb,ae6928c0db3b6ad0
X-Google-Attributes: gidfcdcb,public
X-Google-ArrivalTime: 1992-01-02 09:11:31 PST
Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
Path: arc1-ca.pugleaf.net!sparky!uunet!paladin.american.edu!auvm!SEA04VM.NAVSEA.NAVY.MIL!COTRSSM
Message-ID: <ASM370%92010208095312@UCF1VM.BITNET>
Newsgroups: bit.listserv.asm370
Date:         Thu, 2 Jan 1992 07:53:04 EST
Sender:       IBM 370 Assembly Programming Discussion List <ASM370@UGA.BITNET>
From:         "Scott (nmi) Mattes" <COTRSSM@SEA04VM.NAVSEA.NAVY.MIL>
Subject:      Re: instruction alignment and DIAG
In-Reply-To:  Message of Tue,
              31 Dec 1991 21:56:48 EST from
              <BRUCE%UMDD.BITNET@ucf1vm.cc.ucf.edu>