Hi Emmanuel,
On 10/10/2016 10:25 AM, Emmanuel Bourg wrote:
> Do you know if using System.arraycopy is always faster than the
> current method, or is there a threshold where it becomes slower?
I checked different sizes of the sub-matrices and attached the code for
the evaluation to the bug report
for creating a sub-matrix from even a relatively small 50x50
matrix by 16 times here:
https://issues.apache.org/jira/browse/MATH-1389
The patch passes the existing unittests.
Best Regards,
Christoph
--
Dipl.-Inf. Christoph Dibak
phone : +49 711 685 88254
www : http://www.ipvs.uni
