What does -info say about mallocs?
On Sat, Aug 27, 2011 at 8:04 PM, Milan Mitrovic <milan.v.mitrovic at gmail.com> wrote: > well... I added matrix elements by row (~150 nonzero elements) but I > have 7.5k rows per processor... I know the exact nonzero pattern and I > preallocated the storage so it is not that... and its all done > locally... I couldn't insert blocks because there is no common > structure to the nonzero pattern of different rows... > > so to me it seems that creating the matrix like this should be fast... > computing the values took <3 seconds but the setvalues routine took > more than a minute! > >
