Need 286 "C" benchmark

Keith Doyle keithd at cadovax.UUCP
Wed May 29 05:31:30 AEST 1985

>> int a[50000];
>> main()
>> {
>>   int i;
>>   for (i=0; i<50000; i++) a[i+1] = a[i];
>> }
>> Dave Trissel    {seismo,ihnp4}!ut-sally!oakhill!davet
>> Motorola Semiconductor Inc.  Austin, Texas
>Hmmm, once again Dave has submitted a benchmark that requires more than 64K
>of data.  This continued harping on the issue seems to indicate to me that
>maybe Dave realizes that for programs that require less than 64K of data
>that a 12MHz 286 actually keeps pace with the 16.67 MHz 68020.  Of course,
>he might not be saying this at all, and far be it for ME to try to read
>between his lines of code.....I would like to see the 680{00,10,20} 
>performance numbers and system configurations for these benchmarks, though,
>just for internal curiousity.
>Ken Shoemaker, Intel, Santa Clara, Ca.

Well, Dave's approach is certainly no worse than the Intel ad which is 
presented without several important OHBYTHEWAY's.  Intel's assumtion that
all programs and data are <64k is no better than Motorola's assumtion
that they're all >64k.  Realizing that this is a basic difference in
performance between the two processors, I'd like to see benchmarks that
address programs and data of sizes both <64k and >64k.  (of course then
we can write benchmarks that use 12 registers to make the Motorola look
good, and ones that use 2 to make the Intel look good.)

Keith Doyle
#  {ucbvax,ihnp4,decvax}!trwrb!cadovax!keithd

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