History cache performance?

[Fabien Tassin]

According to Andrew A. Vasilyev:
> 
> >   BTW: anyone tried playing with locking the cache in memory? I tried
> > using a locked shared mem, but I didn't see a benefit. My machine had
> > lots of memory, though. I would expect the cache to stay in memory on a
> > loaded machine, but comments here made me try it.
> 
>   So the benefit for lookup time is about 5 times.

I assume it is hist file locking, not hist *cache*. Right ?

-- 
Fabien Tassin -+- fta at sofaraway.org