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A Fast Full Tensor Gravity Computation Algorithm for High Resolution 3D Geologic Interpretations V. Jayaram, K.D. Crain, G.R. Keller and A. Chatterjee M b C ll fE th & E Ui it f Okl h Mewbourne College of Earth & Energy, University of Oklahoma 3D FTG Gravity Models GPU-Multi-core CPU Comparison Prism Vs. Line Element SPHERE CPU PRISM CPU LINE GPU LINE CUDA LINE Resolution PRISM (in sec) LINE (in sec) LINE (in sec) LINE (in sec) 10 m gz 66.533 Tensors 4595.27 FTG 24.7364 FTG 11.3244 FTG 2.23 25 m gz 8.06852 Tensors 13.9668 FTG 3.37044 FTG 1.3412 FTG 0.14 gz 50 m 1.89259 Tensors 3.461183 FTG 0.78243 FTG 0.4237 FTG 0.05 100 m gz 0.49816 Tensors 0.86246 FTG 0.19296 FTG 0.0234 FTG 0.02 1

A Fast Full Tensor Gravity Computation Algorithm for High Resolution 3D Geologic Interpretations

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Page 1: A Fast Full Tensor Gravity Computation Algorithm for High Resolution 3D Geologic Interpretations

AFastFullTensorGravityComputationAlgorithmforHighResolution

3DGeologicInterpretationsV. Jayaram, K.D. Crain, G.R. Keller and A. Chatterjee

M b C ll f E th & E U i it f Okl hMewbourne College of Earth & Energy, University of Oklahoma

3D FTG Gravity Models GPU-Multi-core CPU ComparisonPrism Vs. Line Element

SPHERECPU

PRISMCPU LINE

GPULINE

CUDALINEResolution PRISM

(in sec)LINE

(in sec)LINE

(in sec)LINE

(in sec)

10 m

gz66.533

Tensors4595.27

FTG24.7364

FTG11.3244

FTG2.23

25 m

gz8.06852Tensors13.9668

FTG3.37044

FTG1.3412

FTG0.14

gz

50 m 1.89259Tensors3.461183

FTG0.78243

FTG0.4237

FTG0.05

100 m

gz0.49816Tensors0.86246

FTG0.19296

FTG0.0234

FTG0.02

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