Preferred MPI LPE Decompositions for bathymetry downonegrid2ΒΆ

This table shows the preferred MPI decompositions that optimize Land Processor Elimination for the SalishSea and SMELT configuration running in NEMO-3.6 with the bathy_downonegrid2.nc bathymetry.

MPI breakdown

Water

Land

r

Tile size

Tile aspect

3x7 = 21

20

1

0.952

134x130 = 17420

1.031

4x8 = 32

27

5

0.844

101x114 = 11514

1.129

4x9 = 36

29

7

0.806

101x102 = 10302

1.010

4x10 = 40

33

7

0.825

101x92 = 9292

1.098

5x10 = 50

38

12

0.760

82x92 = 7544

1.122

5x11 = 55

42

13

0.764

82x84 = 6888

1.024

5x12 = 60

44

16

0.733

82x77 = 6314

1.065

6x12 = 72

51

21

0.708

68x77 = 5236

1.132

6x13 = 78

54

24

0.692

68x71 = 4828

1.044

6x15 = 90

59

31

0.656

68x62 = 4216

1.097

7x15 = 105

64

41

0.610

59x62 = 3658

1.051

7x16 = 112

72

40

0.643

59x58 = 3422

1.017

7x17 = 119

74

45

0.622

59x55 = 3245

1.073

7x18 = 126

76

50

0.603

59x52 = 3068

1.135

8x16 = 128

83

45

0.648

52x58 = 3016

1.115

8x18 = 144

88

56

0.611

52x52 = 2704

1.000

8x20 = 160

96

64

0.600

52x47 = 2444

1.106

9x18 = 162

100

62

0.617

46x52 = 2392

1.130

9x19 = 171

104

67

0.608

46x50 = 2300

1.087

9x20 = 180

109

71

0.606

46x47 = 2162

1.022

9x21 = 189

113

76

0.598

46x45 = 2070

1.022

9x22 = 198

114

84

0.576

46x43 = 1978

1.070

10x20 = 200

116

84

0.580

42x47 = 1974

1.119

9x23 = 207

123

84

0.594

46x41 = 1886

1.122

10x21 = 210

124

86

0.590

42x45 = 1890

1.071

10x22 = 220

126

94

0.573

42x43 = 1806

1.024

11x22 = 242

129

113

0.533

38x43 = 1634

1.132

10x23 = 230

132

98

0.574

42x41 = 1722

1.024

11x23 = 253

134

119

0.530

38x41 = 1558

1.079

11x24 = 264

137

127

0.519

38x40 = 1520

1.053

10x25 = 250

142

108

0.568

42x38 = 1596

1.105

11x25 = 275

145

130

0.527

38x38 = 1444

1.000

10x26 = 260

146

114

0.562

42x37 = 1554

1.135

11x26 = 286

147

139

0.514

38x37 = 1406

1.027

11x27 = 297

156

141

0.525

38x36 = 1368

1.056

12x25 = 300

157

143

0.523

35x38 = 1330

1.086

11x28 = 308

159

149

0.516

38x34 = 1292

1.118

12x26 = 312

166

146

0.532

35x37 = 1295

1.057

12x27 = 324

170

154

0.525

35x36 = 1260

1.029

13x26 = 338

175

163

0.518

33x37 = 1221

1.121

12x28 = 336

177

159

0.527

35x34 = 1190

1.029

13x27 = 351

181

170

0.516

33x36 = 1188

1.091

12x30 = 360

183

177

0.508

35x32 = 1120

1.094

13x28 = 364

187

177

0.514

33x34 = 1122

1.030

12x31 = 372

191

181

0.513

35x31 = 1085

1.129

13x29 = 377

193

184

0.512

33x33 = 1089

1.000

14x29 = 406

195

211

0.480

31x33 = 1023

1.065

14x28 = 392

196

196

0.500

31x34 = 1054

1.097

14x30 = 420

199

221

0.474

31x32 = 992

1.032

13x31 = 403

205

198

0.509

33x31 = 1023

1.065

14x31 = 434

208

226

0.479

31x31 = 961

1.000

14x32 = 448

211

237

0.471

31x30 = 930

1.033

15x29 = 435

214

221

0.492

29x33 = 957

1.138

13x33 = 429

217

212

0.506

33x30 = 990

1.100

15x30 = 450

220

230

0.489

29x32 = 928

1.103

14x33 = 462

221

241

0.478

31x30 = 930

1.033

14x34 = 476

225

251

0.473

31x29 = 899

1.069

15x31 = 465

227

238

0.488

29x31 = 899

1.069

14x35 = 490

233

257

0.476

31x28 = 868

1.107

16x31 = 496

235

261

0.474

27x31 = 837

1.148

14x36 = 504

236

268

0.468

31x27 = 837

1.148

15x33 = 495

240

255

0.485

29x30 = 870

1.034

14x37 = 518

242

276

0.467

31x27 = 837

1.148

15x34 = 510

244

266

0.478

29x29 = 841

1.000

16x32 = 512

245

267

0.479

27x30 = 810

1.111

16x33 = 528

254

274

0.481

27x30 = 810

1.111

16x34 = 544

255

289

0.469

27x29 = 783

1.074

15x36 = 540

256

284

0.474

29x27 = 783

1.074