Re: [boost] [shifted_ptr] Review Request

Subject: Re: [boost] [shifted_ptr] Review Request
From: àÒ¦Ê úÕÂÒÉÃØËÉÊ (mt.wizard_at_[hidden])
Date: 2011-04-06 13:07:08

Actually, boost::make_shared involves one dynamic_cast operation (when
getting deleter from shared_ptr object), that's why it doesn't perform
faster at all

2011/4/6, Nevin Liber <nevin_at_[hidden]>:
> On 6 April 2011 11:43, Phil Bouchard <philippe_at_[hidden]> wrote:
>
>>
>> http://www.boost.org/doc/libs/1_46_1/libs/smart_ptr/smarttests.htm
>>>>
>>>
>>>
>>> Here's another one here comparing shared_ptr<>, intrusive_ptr<> and
>> garbage collected algorithms:
>> http://hnxgc.harnixworld.com/benchmarks/GCBench/
>>
>
> Glancing at the code, I noticed that they aren't using make_shared or
> allocate_shared, which any real world high performance app would most likely
> be using just to cut the number of allocations in half.  Not a great
> benchmark for this kind of thing...
> --
>  Nevin ":-)" Liber  <mailto:nevin_at_[hidden]>  [phone]
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