Presentation is loading. Please wait.

Presentation is loading. Please wait.

© 2012 Elsevier, Inc. All rights reserved.

Similar presentations


Presentation on theme: "© 2012 Elsevier, Inc. All rights reserved."— Presentation transcript:

1 © 2012 Elsevier, Inc. All rights reserved.
Chapter 12 © 2012 Elsevier, Inc. All rights reserved.

2 © 2012 Elsevier, Inc. All rights reserved.
Figure 12.1 Electrostatic potential map is used in building stable structures for molecular dynamics simulation. © 2012 Elsevier, Inc. All rights reserved.

3 © 2012 Elsevier, Inc. All rights reserved.
Figure 12.2 The contribution of atom[i] to the electrostatic potential at lattice point j (potential[j]) is atom[i].charge/rij. In the DCS method, the total potential at lattice point j is the sum of contributions from all atoms in the system. © 2012 Elsevier, Inc. All rights reserved.

4 © 2012 Elsevier, Inc. All rights reserved.
Figure 12.3 Base coulomb potential calculation code for a 2D slice. © 2012 Elsevier, Inc. All rights reserved.

5 © 2012 Elsevier, Inc. All rights reserved.
Figure 12.4 Overview of the DCS kernel design. © 2012 Elsevier, Inc. All rights reserved.

6 © 2012 Elsevier, Inc. All rights reserved.
Figure 12.5 DCS kernel version 1. © 2012 Elsevier, Inc. All rights reserved.

7 © 2012 Elsevier, Inc. All rights reserved.
Figure 12.6 Reusing information among multiple grid points. © 2012 Elsevier, Inc. All rights reserved.

8 © 2012 Elsevier, Inc. All rights reserved.
Figure 12.7 DCS kernel version 2. © 2012 Elsevier, Inc. All rights reserved.

9 © 2012 Elsevier, Inc. All rights reserved.
Figure 12.8 Organizing threads and memory layout for coalesced writes. © 2012 Elsevier, Inc. All rights reserved.

10 © 2012 Elsevier, Inc. All rights reserved.
Figure 12.9 DCS kernel version 3. © 2012 Elsevier, Inc. All rights reserved.

11 © 2012 Elsevier, Inc. All rights reserved.
Figure Performance comparison of various DCS kernel versions. © 2012 Elsevier, Inc. All rights reserved.

12 © 2012 Elsevier, Inc. All rights reserved.
Figure Single-thread CPU versus CPU–GPU comparison. © 2012 Elsevier, Inc. All rights reserved.


Download ppt "© 2012 Elsevier, Inc. All rights reserved."

Similar presentations


Ads by Google