[Newbies] Primitives and array computation
bert at freudenbergs.de
Thu Jul 10 17:38:14 UTC 2008
Am 10.07.2008 um 18:47 schrieb Frederic Dambreville:
> So, my question is: does the VM implements primitives for computing
> mathematical functions on arrays?
Generally, no. It's also hard to do in a general Array, since each
Float is a full object, any arithmetic on it does unboxing and boxing
of a newly allocated Float object. To speed this up considerably you
would have to create primitive array that do not hold objects but.
There is the class FloatArray which works on a primitive array of 32-
bit floats, but only very basic operations are supported by the
- Bert -
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