[Vm-dev] Dalvik vs. ART: Android virtual machines and the battle for better performance | Pocketnow

[Nicolas Cellier]

But he said increase in speed, not performance.


2013/12/12 Eliot Miranda <eliot.miranda at gmail.com>

>
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> On Thu, Dec 12, 2013 at 1:23 PM, Nicolas Cellier <
> nicolas.cellier.aka.nice at gmail.com> wrote:
>
>>
>> I would interpret twice as fast, and that's only 50% rather than 100%
>> reduction of execution time :)
>>
>
> relative performance = new time - old time / old time.
> 2x = -50%
> 3x = -75%
> etc
>
> -100% means new time = 0, and performance is infinite.
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>
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>> 2013/12/12 Eliot Miranda <eliot.miranda at gmail.com>
>>
>>>
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>>>
>>>
>>> On Thu, Dec 12, 2013 at 1:08 PM, phil at highoctane.be <phil at highoctane.be>wrote:
>>>
>>>>
>>>>
>>>> http://m.pocketnow.com/2013/11/13/dalvik-vs-art
>>>>
>>>
>>> "The benefits? Some sources are reporting a 50% increase in speed.
>>> Others say it’s closer to 100%. Many claim they’ve seen their battery life
>>> increase by 25% or more!"
>>>
>>> Got to love those 100% speed increases.  Apps really fly when they take
>>> no time at all...
>>>
>>> --
>>> Eliot
>>>
>>>
>>
>>
>
>
> --
> best,
> Eliot
>
>
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