Internal:Metric Adaptive CDT3D: Difference between revisions

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= Delta Wing (Scitech 2018) =
= Delta Wing 50k Complexity (Scitech 2018) =


[[File:Delta_wing_50k_parallel_scitech.png| 500px]]
[[File:Delta_wing_50k_parallel_scitech.png| 500px]]
 
==Preliminary data  ==
==50k Complexity ==
=== Starting from a coarse surface mesh  ===
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{| class="wikitable" style="text-align: right;"
  |+ All time data are given in seconds.
  |+ All time data are given in seconds.
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==500k Complexity ==
== Notes ==  
=== Starting from a volume mesh of 50k Complexity ===
* according to Mike's email mesh should be around 100k vertices
Initial mesh :
* Metric Input Data available at [https://github.com/UGAWG/parallel-adapt-results/tree/master/delta-wing/fun3d-fv-lp2 https://github.com/UGAWG/parallel-adapt-results ]
* Vertices 104,305
* Input surface is the coase mesh available at [https://github.com/UGAWG/solution-adapt-cases/delta-wing/initial-grid/delta01.meshb https://github.com/UGAWG/solution-adapt-cases]
* Tetrahedra 581,196
* The experiments performed on a DELL workstation with Linux Red Hat Enterprise, 24 hardware cores Intel® Xeon® CPU E5-2697v2@2.70 GHz, and 757 GB RAM
 
* Memory is measured at the end of Mesh refinement and thus it may reach a slightly higher value before the point of measurement
=== Notes ===
* parameters <code> --brec=2 --met=1 --meval=3 --mrecm2=1 --mrec4=1  --nadapt=2 --malign=0 --mpp=2  --ndfs=0 --nthreads=$THREADS --nbuckets=20*$THREADS --nthreadsaf=20*$THREADS --nbucketsaf=20*${THREADS} --blockmul=500000 --nqual=0 --nminpts=30 --ordt=0 --pardeact=1 --mdse=0  </code>
 
* using commit <code> bb7819619eb9b8831ac1d4515b9605869df72b47</code> or tag <code> Delta-wiki </code>
 
 
=== General Notes ===  
* smoothing : [https://onlinelibrary.wiley.com/doi/abs/10.1002/%28SICI%291097-0207%2819971115%2940%3A21%3C3979%3A%3AAID-NME251%3E3.0.CO%3B2-9 Tetrahedral Mesh Improvement Using Swapping and Smoothing, Lori A. Freitag and Carl Ollivier-Gooch ] [http://www.cs.odu.edu/crtc/internal/Christos/Freitag_et_al-1997-International_Journal_for_Numerical_Methods_in_Engineering.pdf PDF]
* smoothing : [https://onlinelibrary.wiley.com/doi/abs/10.1002/%28SICI%291097-0207%2819971115%2940%3A21%3C3979%3A%3AAID-NME251%3E3.0.CO%3B2-9 Tetrahedral Mesh Improvement Using Swapping and Smoothing, Lori A. Freitag and Carl Ollivier-Gooch ] [http://www.cs.odu.edu/crtc/internal/Christos/Freitag_et_al-1997-International_Journal_for_Numerical_Methods_in_Engineering.pdf PDF]
* [https://epubs.siam.org/doi/abs/10.1137/0715011 An Efficient Method to Solve the Minmax Problem Directly] [http://www.cs.odu.edu/crtc/internal/Christos/Charalambous_An_Efficient_Method_To_Solve_The_Minmax_problem_directly.pdf PDF]
* [https://epubs.siam.org/doi/abs/10.1137/0715011 An Efficient Method to Solve the Minmax Problem Directly] [http://www.cs.odu.edu/crtc/internal/Christos/Charalambous_An_Efficient_Method_To_Solve_The_Minmax_problem_directly.pdf PDF]

Revision as of 17:50, 15 May 2018

Delta Wing 50k Complexity (Scitech 2018)

Preliminary data

All time data are given in seconds.
# Threads # Tetrahedra # Vertices Intitialize Bg Mesh Boundary Adaptation (MMGS) Boundary Recovery Mesh Refinement Total Time

(without MMGS)

Memory (GB)
# Iterations Par. Deactivation Par. Vertex Creation Vertex Insertion Partition Par. Reconnection
1 357,165 62,177 1.44 6.32 0.36 20 2.09 11.92 0.09 1.26 57.35 80.97 0.44
6 361,037 62,795 1.49 6.23 0.35 21 0.51 2.78 0.11 1.45 14.06 27.12 0.63
12 363,278 63,198 1.41 6.27 0.33 22 0.32 1.55 0.11 1.62 8.24 19.99 0.86
24 363,756 63,270 1.49 6.26 0.33 22 0.2 0.88 0.11 1.6 5.13 16.15 1.31

Notes