Trunc
Computes a rounded towards zero integer value for each vector element.
Performance:
Intel® Xeon® Processor E5-2680
|
Intel® Xeon® Processor E5-2699 v3
|
Intel® Xeon® Processor E5-2699 v4
|
Intel® Xeon® Gold 6148 Processor
| ||
|---|---|---|---|---|---|
single
|
HA
|
0.31
|
0.30
|
0.24
|
0.15
|
LA
|
0.31
|
0.30
|
0.24
|
0.15
| |
EP
|
0.31
|
0.30
|
0.24
|
0.15
| |
double
|
HA
|
0.53
|
0.57
|
0.44
|
0.24
|
LA
|
0.53
|
0.57
|
0.44
|
0.24
| |
EP
|
0.53
|
0.57
|
0.44
|
0.24
| |
Notes:
- Units - CPE (Clocks per Element)
- Performance was measured on "working" interval (double precision: [ -10000.0, 10000.0 ]; single precision: [ -10000.0, 10000.0 ])
- Data - vectors of 1000 elements with random generated numbers.
- All data was collected with 64-bit libraries.
Accuracy:
Intel® Xeon® Processor E5-2680
|
Intel® Xeon® Processor E5-2699 v3
|
Intel® Xeon® Processor E5-2699 v4
|
Intel® Xeon® Gold 6148 Processor
| ||
|---|---|---|---|---|---|
single
|
HA
|
0.00
|
0.00
|
0.00
|
0.00
|
LA
|
0.00
|
0.00
|
0.00
|
0.00
| |
EP
|
0.00
|
0.00
|
0.00
|
0.00
| |
double
|
HA
|
0.00
|
0.00
|
0.00
|
0.00
|
LA
|
0.00
|
0.00
|
0.00
|
0.00
| |
EP
|
0.00
|
0.00
|
0.00
|
0.00
| |
Note:
Units - ULP (Units in the Last Place).Performance Graphs:
