Re: pgsql: Pull up isReset flag from AllocSetContext to MemoryContext struc - Mailing list pgsql-committers

On 25.05.2011 00:58, Tom Lane wrote:
> Heikki Linnakangas<heikki.linnakangas@enterprisedb.com>  writes:
>> On 22.05.2011 21:18, Tom Lane wrote:
>>> I'm also concerned that you've probably
>>> added cycles on net to MemoryContextAlloc (where it's no longer possible
>>> to tail-call AllocSetAlloc), which could very easily cost more cycles on
>>> most workloads than could ever be saved by making MemoryContextReset a
>>> shade faster.
>
>> Good point. That would be solved by clearing the flag before the
>> AllocSetAlloc() call. I don't see any harm in clearing the flag before
>> actually doing the allocation.
>
> Done that way.

Ok, thanks.

--
   Heikki Linnakangas
   EnterpriseDB   http://www.enterprisedb.com