> On Feb 26, 2016, at 9:28 AM, TAY wee-beng <[email protected]> wrote: > > Hi, > > I have got a 3D code. When I ran with 48 procs and 11 million cells, it runs > for 83 min. When I ran with 96 procs and 22 million cells, it ran for 99 min.
This is actually pretty good! > > So it's not that parallel. I want to find out which part of the code I need > to improve. Also if PETsc and hypre is working well in parallel. What's the > best way to do it? Run both with -log_summary and send the output for each case. This will show where the time is being spent and which parts are scaling less well. Barry > > I thought of doing profiling but if the code is optimized, I wonder if it > still works well. > > -- > Thank you. > > Yours sincerely, > > TAY wee-beng >
