Speed up trace mode (GSoC Project)

[Clemens Lang]

Hi,

On Fri, Apr 12, 2019 at 11:16:46PM +0530, Mihir Luthra wrote:
> I was constructing the trie data structure which has to be operated
> from the address space mapped by mmap(2). In place of “array of next
> nodes”, I am using “array of offsets”.

Sounds correct.

> the void * returned from calling mmap(2), I would type cast it as my
> struct type.

Sounds correct as well.

> When needing to write data, go to the last offset *(base + offset) and
> CAS.
> 
> I have doubts regarding “type” of offset, simply off_t or int. As here
> we are mapping file memory into process address space, I m not certain
> what “type” would be safe to use for offsets.

off_t would be a good choice, as would be size_t (although I think
they're probably aliases anyway).

-- 
Clemens