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Subject: Re: Tablebases

Author: James T. Walker

Date: 10:26:02 01/23/02

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On January 22, 2002 at 18:40:18, Sune Fischer wrote:

>On January 22, 2002 at 17:59:24, James T. Walker wrote:
>
>>On January 22, 2002 at 14:40:46, Robert Hyatt wrote:
>>
>>>On January 22, 2002 at 12:38:17, James T. Walker wrote:
>>>
>>>>On January 22, 2002 at 12:26:30, Sune Fischer wrote:
>>>>
>>>>>On January 22, 2002 at 11:58:39, Robert Hyatt wrote:
>>>>>
>>>>>>On January 22, 2002 at 10:30:51, James T. Walker wrote:
>>>>>>
>>>>>>>On January 22, 2002 at 10:27:30, Robert Hyatt wrote:
>>>>>>>
>>>>>>>>On January 22, 2002 at 04:57:05, Sune Fischer wrote:
>>>>>>>>
>>>>>>>>>On January 22, 2002 at 00:35:48, Robert Hyatt wrote:
>>>>>>>>>
>>>>>>>>>>On January 21, 2002 at 18:50:22, David Rasmussen wrote:
>>>>>>>>>>
>>>>>>>>>>>How much space does all the 5-man tables take?
>>>>>>>>>>>When people write 3-4-5 man tablebases, do they mean _all_ of them, or just all
>>>>>>>>>>>3 and 4 man, and then some 5 man. If yes, which ones?
>>>>>>>>>>>
>>>>>>>>>>>/David
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>All of the 3/4/5 piece files require about 7.5 gigs of space...
>>>>>>>>>
>>>>>>>>>I think you mean 7.05 GB.
>>>>>>>>>:)
>>>>>>>>>
>>>>>>>>>-S.
>>>>>>>>
>>>>>>>>
>>>>>>>>No... I mean _exactly_ 7411980 bytes.
>>>>>>>>
>>>>>>>>:)
>>>>>>>
>>>>>>>If you have only 7 Megabytes you are missing a lot
>>>>>>
>>>>>>
>>>>>>Sorry... that was in terms of 1024 byte blocks.  I have 'em all, believe
>>>>>>me.  :)
>>>>>>
>>>>>>that is 7,589,867,520 bytes if my math works out right.  :)
>>>>>
>>>>>
>>>>>and 7,589,867,520 bytes/1024^3 = 7.068 gigabytes :)
>>>>
>>>>Not on my calculator!
>>>
>>>
>>>Depends on your definition of "gigabyte".  If you use the rounded value of
>>>1,000,000,000 bytes, you get one answer. If you use the right power of 2,
>>>(2^30) you get a different answer.  :)
>>
>>Well I was responding to the math problem he posted.
>>"7,589,867,520 bytes/1024^3 = 7.068 gigabytes"
>>When I divide 7,589,867,520 by 1024^3  I get 7411.98 which is what you had.
>
>no because 1024^3 means 1024*1024*1024, so
>
>7,589,867,520 /(1024*1024*1024) = 7.06861
>
>>Now If 1 gigabyte is 1024 Megabytes and 1 Megabyte is 1024 Kilobytes and 1
>>Kiltbyte is 1024 bytes then you have to divide by 1024 several times and then
>>you get the 7.0686 Gigabytes.
>
>Exactly ;)
>
>Of cause Hyatt is correct that G for giga is actually 1,000,000,000 and not
>1024^3, only computer folks misuse the k, M and G when talking about diskspace.
>
>-S.

Hello Sune,
My mistake!  I was using 1024x10^3 instead of 1024^3.  Please accept my apology.
And yes, computer people do strange things with K & M stuff.
Jim



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