Java > Scala

[Somedude]

Le 19/12/2011 00:26, Andrei Alexandrescu a écrit :
> On 12/18/11 5:15 PM, Somedude wrote:
>> Here is the kind of performance you can expect from the JVM: a factor of
>> 2.5x to native C++.
>> That's from the Box2D physics game engine.
>>
>> http://blog.j15r.com/2011/12/for-those-unfamiliar-with-it-box2d-is.html
>>
>> This is very much in line with what the The Computer Language Benchmark
>> Game gives (and I've come to realize by experience that it's actually
>> quite accurate when evaluating maximum speed for languages) and very
>> much what I've come to expect in practice.
> 
> 2.5x-3x in speed is the number that I've seen most aired. I'm not sure
> about memory consumption.
> 
> Andrei

It's very dependant on how you program of course, but I'd say the
ballpark is usually at least an order of magnitude more. Java wastes a
LOT of memory.