Tree Poisson solver

More documents

Recommendations

Info

Flash 3, BES: time(nCPUs) 350 300 Seconds per timestep 250 200 150 100 50 other com/gcell tree walk/fft hydro 0 tree_1.0 tree_0.5 mg tree_1.0 tree_0.5 mg tree_1.0 tree_0.5 mg tree_1.0 tree_0.5 mg 64 128 256 512 Number of CPUs Richard Wünsch, Flash workshop at the Hamburg Observatory, 15th February 2012 18/26
Flash 3, BES: relative time 1 other com/gcell tree walk/fft hydro Seconds per timestep 0.8 0.6 0.4 0.2 0 tree_1.0 tree_0.5 mg tree_1.0 tree_0.5 mg tree_1.0 tree_0.5 mg tree_1.0 tree_0.5 mg 64 128 256 512 Number of CPUs Richard Wünsch, Flash workshop at the Hamburg Observatory, 15th February 2012 19/26
Page 1 and 2: Tree-based self-gravity solver R. W
Page 3 and 4: Communication of grid properties
Page 5 and 6: • for 8 × 8 × 8 blocks: Block t
Page 7 and 8: • 5 types of iteractions: 1. cell
Page 9 and 10: Test: Bonnor-Ebert sphere • mass:
Page 11 and 12: Flash 3: error in Φ (lref min = lr
Page 13 and 14: Flash 3: error in F r (lref min = l
Page 15 and 16: Flash 3: error in F r (lref min = 1
Page 17: Flash 2: error in F r (lref min = 1
Page 21 and 22: Flash 2, shell: time(nCPUs) 70,000
Page 23 and 24: Flash 3: time(number of blocks) sec
Page 25 and 26: GPU version • tree walk ported to
Page 27: Download at: http://galaxy.asu.cas.

Tree Poisson solver

Create successful ePaper yourself

Delete template?

Save as template?