Re: [Boost-users] boost::pool

Subject: Re: [Boost-users] boost::pool
From: Frank Meerkoetter (frank_at_[hidden])
Date: 2009-11-03 10:35:29

Zitat von Stefan Strasser <strasser_at_[hidden]>:
> Am Tuesday 03 November 2009 07:17:18 schrieb frank:
>> On Tuesday 03 November 2009 05:45:48 Stefan Strasser wrote:
>> > Am Tuesday 03 November 2009 04:08:14 schrieb Diederick C. Niehorster:
>> > I actually considered that, but while recreating the functionality of
>> > Boost.Pool is pretty easy, given that Boost.Intrusive now exists, a
>> > generic pool allocation library is some effort.
>> > some things that come to mind is multiple allocation algorithms to meet
>> > different time complexity and memory overhead needs, pools that allow
>> > allocation of different-sized objects,  maybe even a generic "allocation
>> > algorithm" library that is not limited to chunks of memory, but can be
>> > used for disk space and other arbitrary ranges, like allocating IDs.
>>
>> I recently tried to use the std::allocator drop-in replacement from
>> Boost.Pool in a massively multithreaded program running on a machine with a
>> lot of cores. The result was very disappointing.
>
> as is expected. you might want to look into using thread specific pools, that
> only synchronize when a new pool block is allocated.

could you please elaborate a bit on this? How would i do this with the
std::allocator implemenation provided by Boost.Pool?

KR,
    Frank