Update muelu-cheby2er12-drop0.02-smoo-rebaltarg10k-explR-rebalPR-aggs… - #1
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Update muelu-cheby2er12-drop0.02-smoo-rebaltarg10k-explR-rebalPR-aggs…#1sthomas61 wants to merge 1 commit into
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reducing the number of V-cycle pre-sweeps to 1 from 2 maintains the same GMRES iteration
counts for the continuity solver. The solver time drops by 1/2 and the overall Nalu-Wind run time
is reduced 10-20%. Tested with Chebyshev smoother on G1 mesh (Cori)
sthomas1@cori07:/global/cscratch1/sd/sthomas1/g1> fgrep "solve --" nrel_5mw_g1-muelu-128-gmres-cheb-1.log
solve -- avg: 0 min: 0 max: 0
solve -- avg: 488.069 min: 486.7 max: 489.225
solve -- avg: 352.963 min: 352.942 max: 352.972
sthomas1@cori07:/global/cscratch1/sd/sthomas1/g1> fgrep "solve --" nrel_5mw_g1-muelu-128-gmres-cheby-post-1.log
solve -- avg: 0 min: 0 max: 0
solve -- avg: 488.481 min: 487.096 max: 489.641
solve -- avg: 160.619 min: 160.603 max: 160.627