[Botan-devel] Re: [Monotone-devel] oprofile data for mtn 0.37.

Jack Lloyd lloyd at randombit.net
Mon Apr 7 10:20:28 EDT 2008


On Wed, Apr 02, 2008 at 03:14:58PM -0400, Jack Lloyd wrote:
> On Wed, Mar 12, 2008 at 05:19:50PM -0400, Zack Weinberg wrote:
> > >  > Top of profile is
> > >  >
> > >  > 9678874  11.1247  std::_Rb_tree<std::string, std::pair<std::string
> > >  > const, Botan::Mutex*> ...>
> > 
> [...]
> > >  3) Drop global shared state wholesale, and require applications to
> > >  maintain any per-thread or per-process state (the RNG, allocators,
> > >  etc). [I've been leaning towards this of late for various other
> > >  reasons anyway]
> > 
> > This would be my choice, being the most efficient option for a
> > single-threaded program like Monotone.
> > 
> > zw
> 
> As a start in this direction (removing the global state will be a
> fairly long/incremental process), and to address the immediate
> performance concern, I've checked in a revision to n.r.b
> (902a87e6d79771db7a64cc115b279febb4c936ee) that removes the
> string->mutex mapping code and replaces it with plain objects.

I'm checking in changes for incremental removal of code from the
global state object into net.randombit.botan.remove-libstate

-Jack



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