Download presentation
Presentation is loading. Please wait.
1
© 2012 Elsevier, Inc. All rights reserved.
Chapter 10 © 2012 Elsevier, Inc. All rights reserved.
2
© 2012 Elsevier, Inc. All rights reserved.
Figure 10.1 A simple sparse matrix example. © 2012 Elsevier, Inc. All rights reserved.
3
© 2012 Elsevier, Inc. All rights reserved.
Figure 10.2 Example of CSR format. © 2012 Elsevier, Inc. All rights reserved.
4
© 2012 Elsevier, Inc. All rights reserved.
Figure 10.3 A small example of matrix–vector multiplication and accumulation. © 2012 Elsevier, Inc. All rights reserved.
5
© 2012 Elsevier, Inc. All rights reserved.
Figure 10.4 A sequential loop that implements SpMV. © 2012 Elsevier, Inc. All rights reserved.
6
© 2012 Elsevier, Inc. All rights reserved.
Figure 10.5 SpMV loop operating on the sparse matrix in Figure 10.1. © 2012 Elsevier, Inc. All rights reserved.
7
© 2012 Elsevier, Inc. All rights reserved.
Figure 10.6 Example of mapping threads to rows in parallel SpMV/CSR. © 2012 Elsevier, Inc. All rights reserved.
8
© 2012 Elsevier, Inc. All rights reserved.
Figure 10.7 A parallel SpMV/CSR kernel. © 2012 Elsevier, Inc. All rights reserved.
9
© 2012 Elsevier, Inc. All rights reserved.
Figure 10.8 ELL storage format. © 2012 Elsevier, Inc. All rights reserved.
10
© 2012 Elsevier, Inc. All rights reserved.
Figure 10.9 More details of our small example in ELL. © 2012 Elsevier, Inc. All rights reserved.
11
© 2012 Elsevier, Inc. All rights reserved.
Figure A parallel SpMV/ELL kernel. © 2012 Elsevier, Inc. All rights reserved.
12
© 2012 Elsevier, Inc. All rights reserved.
Figure Example of COO format. © 2012 Elsevier, Inc. All rights reserved.
13
© 2012 Elsevier, Inc. All rights reserved.
Figure Reordering COO format. © 2012 Elsevier, Inc. All rights reserved.
14
© 2012 Elsevier, Inc. All rights reserved.
Figure Our small example in ELL and COO hybrid. © 2012 Elsevier, Inc. All rights reserved.
15
© 2012 Elsevier, Inc. All rights reserved.
Figure A sequential loop that implements SpMV/COO. © 2012 Elsevier, Inc. All rights reserved.
16
© 2012 Elsevier, Inc. All rights reserved.
Figure Sorting rows according to their length. © 2012 Elsevier, Inc. All rights reserved.
17
© 2012 Elsevier, Inc. All rights reserved.
Figure JDS format and sectioned ELL. © 2012 Elsevier, Inc. All rights reserved.
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.