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Subject: Re: What to expect from Win64 for Crafty

Author: Robert Hyatt

Date: 21:31:45 11/07/00

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On November 07, 2000 at 23:49:27, Jeremiah Penery wrote:

>On November 07, 2000 at 21:03:05, Robert Hyatt wrote:
>
>>On November 07, 2000 at 20:09:12, Gregor Overney wrote:
>>
>>>Just got the newest Crafty 17.14. As mentioned in main.c, Win64 compliant
>>>pointer definitions are used.
>>>
>>>What is the expected speed improvement when going from Win32 to Win64 for
>>>Crafty? Some of you might have access to early 64-bit Visual C compilers.
>>>
>>>Gregor
>>
>>
>>It depends on when IA64 becomes available.  Although there was (once upon
>>a time) a windows NT port for alphas.
>
>I'm sure it's still possible to get it somewhere.  I'm rather disappointed that
>Compaq decided to dump the NT/Alpha program, but I suppose it wasn't one of
>their big sellers. :P
>
>>Eugene sent the changes as he is running Crafty on IA64 machines inside
>>Microsoft, apparently.
>
>Has he reported anything about Crafty's speed on these machines (i.e., how fast
>are they compared to, say, the Alpha 21264s)?  IIRC, he did say before that
>there were a couple Itanium machines running there in his office, but I think
>they were only like 400-600MHz or something.  I'm interested to know more about
>them. :)
>
>Jeremiah


I don't remember any numbers, which probably means he hasn't given me any.

I think NT was dropped by Microsoft when they had some sort of disagreement
with Compaq, but I don't recall the details...



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