Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Processor speed

Author: Robert Hyatt

Date: 18:03:17 03/09/00

Go up one level in this thread


On March 09, 2000 at 17:34:47, Tom Kerrigan wrote:

>On March 09, 2000 at 16:35:50, Pierre Bourget wrote:
>
>>>Never heard of an H7 or H8 processor.  But many older chess programs were based
>>>on Motorola 68000 series.  68000 is 16 bit, and 68020 is 32 bit.  You can't just
>
>I believe the 68000 is 32-bit. It has a 24-bit address bus to reduce the
>pincount.
>

He is right.  the 6800 was 8 bit, the 68000 was 16 bit.  the 020 was the
first 32 bit member of the family...


>>So do you think that a 16 K program running on a H7 RISC at 10 mhz will play
>>better and faster than a 128 K program running on and old 6502 at 6 mhz ?
>
>I suspect the H is a slower version (predecessor?) of the SH, so a 10MHz part
>will run at < 8 MIPS.
>
>For some reason I can't seem to find ANY performance data on the 6502. But I
>guess that it runs at a fraction of a "MIP."
>
>So my WAG is that the H7 is 10 times faster than the 6502, and therefore ~150
>points stronger.
>
>(Although the 128k program probably has a much bigger opening book than the 16k
>program... not sure how much that is worth...)
>
>-Tom


The 6502 was actually a good cpu...  first program I remember was written by
the Spracklen's...  I don't recall the speeds however, but they did think it
was faster than a 4mhz z80...



This page took 0.01 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.