Edgar Friendly <thelema314@gmail.com> writes:

> Jon Harrop wrote:
>> On Saturday 04 April 2009 22:51:50 Goswin von Brederlow wrote:
>>> The beauty of ocaml strings is that they are really compact. An ocaml
>>> string on 32bit is 5-8 bytes longer than the contained string and 9-16
>>> bytes on 64bit.
>> 
>> The ugliness is that 16Mb limit. I assume those limits have been removed in 
>> batteries?!
>>
> Our implementation of ropes (well, really Mauricio Fernandez's) has a
> limit of ~700MB in 32-bit and 220GB in 64-bit.  Users that need more
> than that will have to recompile batteries with a larger
> 'Rope.max-height' constant.
>
> E.

# Sys.max_string_length;;
- : int = 144115188075855863

Why is the limit for rRope 220GB in 64bit?

MfG
        Goswin