[webkit-dev] When should I use AtomicString vs String?

[Glenn Adams]

On Fri, May 31, 2013 at 6:14 PM, Rafael Brandao
<rafael.lobo at openbossa.org>wrote:

> This thread contains really useful information, so I've created a new
> topic on https://trac.webkit.org/wiki/EfficientStrings and pointed to
> here.
>

One thing that always threw me was the term "Atomic" in the class name. I
wonder if the term "InternedString" would make it usage more apparent.


>
> Best regards,
> Rafael
>
>
> On Fri, May 31, 2013 at 8:32 PM, Ryosuke Niwa <rniwa at webkit.org> wrote:
>
>> We shouldn't use AtomicString if the string we're about to create doesn't
>> get shared across multiple AtomicStrings.
>>
>> For example, if we had used AtomicString for the strings inside Text
>> nodes, then we may end up filling up the atomic string table with all these
>> really long strings that don't typically appear more than once.  It also
>> slows down the hash map look up for all other atomic strings.
>>
>> On Fri, May 31, 2013 at 3:00 PM, Brendan Long <self at brendanlong.com>wrote:
>>
>>>  So should I just never use String and always use AtomicString?
>>>
>>>
>>> On 05/31/2013 03:14 PM, Daker Pinheiro wrote:
>>>
>>> It is faster to compare and hash AtomicString than regular Strings.
>>>
>>>
>>> On Fri, May 31, 2013 at 5:57 PM, Brendan Long <self at brendanlong.com>wrote:
>>>
>>>> I hope this isn't a stupid question, but I can't find any references to
>>>> what the difference between AtomicString and String is. It looks like
>>>> AtomicString is generally preferred, but I don't know why. Can someone
>>>> fill me in on this? Is there any refences for the classes in WTF?
>>>>
>>>>
>>>> _______________________________________________
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>>>>
>>>>
>>>
>>>
>>>  --
>>> Daker Fernandes Pinheiro
>>> http://codecereal.blogspot.com
>>>
>>>
>>>
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>>>
>>
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>>
>
>
> --
> Rafael Brandao @ INdT
>
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