Integer conversions too pedantic in 64-bit

[Alexander Malakhov]

Don <nospam at nospam.com> писал(а) в своём письме Wed, 16 Feb 2011 17:21:06  
+0600:
>
> Exactly. It is NOT the same as the 8 & 16 bit case. The thing is, the  
> fraction of cases where the MSB is important has been decreasing  
> *exponentially* from the 8-bit days. [...]

Some facts to back your opinion:

* today's most powerful supercomputer have "just" 230 TB of RAM, which is  
between 2^47 and 2^48
   (http://www.top500.org/site/systems/3154)

* Windows7 x64 __virtual__ memory limit is 8 TB (= 2^43)
   (http://msdn.microsoft.com/en-us/library/aa366778(VS.85).aspx#physical_memory_limits_windows_7)

-- 
Alexander