Bitarrays in the age of 64bit

Dominikus Dittes Scherkl dominikus at scherkl.de
Sun Apr 5 10:45:31 UTC 2020


On Saturday, 4 April 2020 at 11:08:35 UTC, Jacob Carlborg wrote:
> On 2020-04-03 09:31, Dominikus Dittes Scherkl wrote:
>> Has anybody ever considered to use bit-pointers?
> Sounds like, or similar, to tagged pointers [1]
No, it's no special information stored together with the address.
It IS the address. This is like the difference with memory 
segmentation and full pointers. Today the memory is still 
segmented - in bytes. But bit-pointers are designed to overcome 
this segmentation. Every bit is directly addressable.



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