Performance of VML Functions
|
Default processor |
Pentium® III processor |
Pentium® 4 processor |
Itanium® processor |
||||||||||||
float |
double |
float |
double |
float |
double |
float |
double |
|||||||||
HA |
LA |
HA |
LA |
HA |
LA |
HA |
LA |
HA |
LA |
HA |
LA |
HA |
LA |
HA |
LA |
|
Inv |
10.0 |
10.0 |
11.2 |
11.2 |
10.1 |
10.1 |
11.3 |
11.2 |
9.9 |
3.8 |
11.7 |
11.7 |
3.1 |
3.1 |
4.3 |
4.3 |
Div |
14.5 |
14.5 |
16.2 |
16.2 |
10.9 |
10.9 |
16.4 |
16.4 |
9.8 |
4.1 |
11.8 |
11.6 |
4.2 |
4.2 |
5.3 |
5.3 |
Sqrt |
20.2 |
20.2 |
34.6 |
34.6 |
8.8 |
8.7 |
33.4 |
33.4 |
8.9 |
4.2 |
23.2 |
17.1 |
5.2 |
5.2 |
7.3 |
7.3 |
InvSqrt |
21.9 |
21.9 |
32.2 |
32.2 |
8.1 |
8.1 |
31.8 |
31.8 |
6.4 |
3.8 |
19.5 |
15.7 |
5.2 |
5.2 |
6.3 |
6.3 |
Cbrt |
32.1 |
32.0 |
45.3 |
45.3 |
32.0 |
32.0 |
45.4 |
45.3 |
22.4 |
17.3 |
40.6 |
32.4 |
7.2 |
7.2 |
10.4 |
10.4 |
InvCbrt |
31.4 |
31.4 |
42.4 |
42.4 |
31.3 |
31.3 |
42.3 |
42.3 |
23.4 |
15.8 |
40.8 |
26.9 |
7.2 |
7.2 |
9.4 |
9.4 |
Pow |
63.0 |
63.0 |
96.4 |
96.4 |
62.3 |
62.3 |
96.2 |
96.2 |
38.9 |
38.8 |
85.0 |
76.0 |
11.4 |
11.4 |
29.2 |
29.2 |
Exp |
22.3 |
22.3 |
37.0 |
37.0 |
19.9 |
19.9 |
37.0 |
37.0 |
10.8 |
9.2 |
26.3 |
20.5 |
4.2 |
4.2 |
6.3 |
6.3 |
Ln |
20.8 |
20.8 |
35.2 |
35.2 |
20.9 |
20.9 |
37.8 |
37.8 |
17.3 |
12.6 |
30.0 |
24.4 |
7.2 |
7.2 |
11.4 |
11.4 |
Log10 |
20.8 |
20.8 |
35.1 |
35.1 |
20.9 |
20.9 |
37.5 |
37.5 |
20.1 |
12.8 |
32.3 |
24.3 |
7.2 |
7.2 |
11.4 |
11.4 |
Cos |
42.8 |
42.8 |
54.4 |
54.4 |
44.8 |
24.1 |
58.4 |
58.4 |
21.1 |
11.8 |
35.8 |
35.8 |
7.2 |
7.2 |
8.4 |
8.4 |
Sin |
38.9 |
38.9 |
50.2 |
50.2 |
40.5 |
24.7 |
50.1 |
50.1 |
19.0 |
10.8 |
36.7 |
36.7 |
6.2 |
3.1 |
7.3 |
7.3 |
SinCos |
66.1 |
66.1 |
77.9 |
77.9 |
66.3 |
36.3 |
78.2 |
78.2 |
29.0 |
18.3 |
62.3 |
48.3 |
8.2 |
8.2 |
10.4 |
10.4 |
Tan |
56.8 |
56.8 |
76.6 |
68.8 |
59.8 |
35.0 |
76.6 |
68.8 |
40.2 |
18.7 |
66.6 |
47.8 |
8.2 |
8.2 |
11.4 |
11.4 |
Acos |
66.2 |
65.7 |
97.3 |
97.3 |
43.6 |
36.1 |
97.3 |
97.30 |
25.0 |
16.2 |
69.9 |
51.8 |
10.2 |
10.2 |
15.4 |
15.4 |
Asin |
64.9 |
64.9 |
94.1 |
94.1 |
41.7 |
28.0 |
94.1 |
94.1 |
23.6 |
15.9 |
65.5 |
49.5 |
10.2 |
10.2 |
15.4 |
15.4 |
Atan |
65.4 |
65.4 |
87.7 |
87.7 |
38.4 |
19.8 |
87.6 |
87.6 |
24.5 |
14.4 |
75.7 |
49.3 |
8.2 |
8.2 |
13.5 |
13.5 |
Atan2 |
85.6 |
85.6 |
139.7 |
139.7 |
86.1 |
31.5 |
139.8 |
139.8 |
57.3 |
28.7 |
139.7 |
67.3 |
12.4 |
12.4 |
19.8 |
19.8 |
Cosh |
51.2 |
51.2 |
72.0 |
72.0 |
35.9 |
35.9 |
72.0 |
72.0 |
20.5 |
13.6 |
36.9 |
27.1 |
7.2 |
7.2 |
10.4 |
10.4 |
Sinh |
49.3 |
49.3 |
71.4 |
71.4 |
40.0 |
40.0 |
71.4 |
71.4 |
32.7 |
14.6 |
39.0 |
28.8 |
7.2 |
7.2 |
13.3 |
13.3 |
Tanh |
52.3 |
52.3 |
112.1 |
112.1 |
52.2 |
52.2 |
112.1 |
112.1 |
40.8 |
33.0 |
69.0 |
69.0 |
11.2 |
11.2 |
14.4 |
14.4 |
Acosh |
149.2 |
149.2 |
111.4 |
111.4 |
43.6 |
43.6 |
111.4 |
111.4 |
31.3 |
22.5 |
88.3 |
83.1 |
13.3 |
13.3 |
18.5 |
18.5 |
Asinh |
159.0 |
159.0 |
115.9 |
115.9 |
45.4 |
45.4 |
115.9 |
115.9 |
32.9 |
22.2 |
104.4 |
79.6 |
14.3 |
14.3 |
18.5 |
18.5 |
Atanh |
112.3 |
112.3 |
98.0 |
98.0 |
36.9 |
36.9 |
97.9 |
97.9 |
39.0 |
22.5 |
92.0 |
73.6 |
12.3 |
12.3 |
19.5 |
19.5 |
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