Enhance performance test

[François Dumont]

Attached patch applied.

2011-11-06  François Dumont <fdumont@gcc.gnu.org>

         * testsuite/performance/23_containers/insert_erase/41975.cc: Add
         tests to check performance with or without cache of hash code 
and with
         string type that has a costlier hash functor than int type.

François


On 11/05/2011 12:56 AM, Paolo Carlini wrote:
> On 11/04/2011 10:32 PM, François Dumont wrote:
>> Hi
>>
>>     Here is a patch to enhance the performance test introduced 
>> recently for hashtable. It shows more clearly the 41975 performance 
>> issue. I also introduced a bench using unordered_set<string> so that 
>> we have a tests involving a type with costlier hash functor than the 
>> one used for int. And lastly the bench are run twice, with and 
>> without hash code cached.
>>
>> 2011-11-04  François Dumont <fdumont@gcc.gnu.org>
>>
>>         * testsuite/performance/23_containers/insert_erase/41975.cc: Add
>>         tests to check performance with or without cache of hash code 
>> and with
>>         string type that has a costlier hash functor than int type.
>>
>> Ok to commit ?
> Looks Ok, but, as usual, watch overlong lines!
>
> Paolo.
>

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