diff --git a/vector/v.surf.rst/v.surf.rst.html b/vector/v.surf.rst/v.surf.rst.html
index cea49cfa277..b35183e34fe 100644
--- a/vector/v.surf.rst/v.surf.rst.html
+++ b/vector/v.surf.rst/v.surf.rst.html
@@ -293,6 +293,22 @@
Cross validation procedure
with lost details and fluctuations) or when significant noise is
present that needs to be smoothed out.
+Performance
+To enable parallel processing, the user can specify the number of threads to be
+used with the nprocs parameter (default 1). Figure 1 and 2 provides benchmarks of the parallelizations running on Intel® Core™ i5-10210U CPU @ 1.60GHz × 8. See benchmark scripts in source code for more details.
+
+
+
+
+
Figure 1: Benchmark shows execution time for different
+ number of cells (1M, 2M, 4M, and 8M).
+
+
+
+
+
Figure 2: Benchmark shows execution time for running cross-validation on different number of cells (100k, 200k, 400k, and 800k).
+
+
EXAMPLE
Setting for lidar point cloud
@@ -339,26 +355,6 @@ Usage of the where parameter
d.vect elevrand where="value > 94.9"
-Performance
-To enable parallel processing, the user can specify the number of threads to be
-used with the nprocs parameter (default 1). The memory parameter
-(default 300) can also be provided to determine the size of the buffer for
-computation.
-
-
-
-
-
Figure 1 Benchmark shows execution time for different
- number of cells.
-
-
-
-
-
Figure 2 Benchmark shows execution time for running cross-validation on different number of cells.
-
-
-See benchmark scripts in source code. (Intel® Core™ i5-10210U CPU @ 1.60GHz × 8)
-
REFERENCES
@@ -438,3 +434,7 @@ AUTHORS
Parallelization using OpenMP:
Stanislav Zubal, Czech Technical University in Prague
Michal Lacko, Pavol Jozef Safarik University in Kosice
+
+
+Parallelization of cross-validation using OpenMP:
+
Chung-Yuan Liang, Purdue University, West Lafayette, Indiana, USA