ASM370 - Re: S/360

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Re: S/360

robin

2006-01-18, 7:55 am

"multicsfan" <multicsfan@hotmail.com> wrote in message
news:BU5zf.2504$SD3.2051@trndny07...
>
> The Cray-1 did not initially come with hardware divide, the divide was
> done in software in the pipe. hardware divide was a $500K option which
> was slower then the software divide ;)
>
> Memory Parity was also a $500K option. To check for memory errors the
> idea was the Cray was so fast you could just run your program twice and
> if you got the same answer there was no memory problem.

Just like the old days!(1950s) !

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