Author: Robert Hyatt
Date: 08:04:27 07/09/99
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On July 09, 1999 at 09:54:22, Rajen Gupta wrote: >I have read through the posts by all the above learned men but (pardon my >stupidity)have understood nothing, so my question remains '' will the alpha >processor benfit from a 64 bit win 9x/NT and will chess progs therefore become >faster ie relative to that which is merely attributable to increased processor >clock speeds? > >Rajen Gupta The question has two interpretations. (1) _any_ program running on an alpha (at present) using NT or Unix, can use 64 bit integers, as that is the native CPU integer data type. IE Crafty runs just fine. (2) the term 64-bit "operating system" generally refers to something else... the ability of the operating system to use a 64-bit address space, either in memory, or on disk, and so forth. IE under linux on Intel machines, we have a max file size of 2^32-1 bytes, because file offsets use unsigned long values. On an alpha, does the file size go to 2^64-1? If so, we call that a true 64 bit operating system...
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