On Monday, January 2, 2012 12:05:33 PM UTC+1, cko wrote:
>
>
> So the problem is invoking a varargs function (in our case
> Array.splice) with the content of the src array as individual function
> arguments.
>
> Why is System.arraycopy() implemented like this?
How would you have done it? Array.splice/Array.slice surely is the fastest
emulation of System.arraycopy.
> Is this a known limitation?
Not to my knowledge; probably no-one ever tried copying that many elements.
> Are there recommended workarounds?
>
Something like that maybe?
while (length > MAX_ELEMENTS_PER_COPY) {
System.arraycopy(src, srcPos, dest, destPost, Math.max(length,
MAX_ELEMENTS_PER_COPY));
srcPos += MAX_ELEMENTS_PER_COPY;
destPost += MAX_ELEMENTS_PER_COPY;
length -= MAX_ELEMENTS_PER_COPY;
}
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