Last change
on this file since 172 was
134,
checked in by kane, 14 years ago
|
add multi write buffer in cc_xcache_v4
|
File size:
1.9 KB
|
Line | |
---|
1 | /*****************************************************/ |
---|
2 | /* Various timer routines. */ |
---|
3 | /* Al Aburto, aburto@nosc.mil, 18 Feb 1997 */ |
---|
4 | /* */ |
---|
5 | /* t = dtime() outputs the current time in seconds. */ |
---|
6 | /* Use CAUTION as some of these routines will mess */ |
---|
7 | /* up when timing across the hour mark!!! */ |
---|
8 | /* */ |
---|
9 | /* For timing I use the 'user' time whenever */ |
---|
10 | /* possible. Using 'user+sys' time is a separate */ |
---|
11 | /* issue. */ |
---|
12 | /* */ |
---|
13 | /* Example Usage: */ |
---|
14 | /* [timer options added here] */ |
---|
15 | /* main() */ |
---|
16 | /* { */ |
---|
17 | /* double starttime,benchtime,dtime(); */ |
---|
18 | /* */ |
---|
19 | /* starttime = dtime(); */ |
---|
20 | /* [routine to time] */ |
---|
21 | /* benchtime = dtime() - starttime; */ |
---|
22 | /* } */ |
---|
23 | /* */ |
---|
24 | /* [timer code below added here] */ |
---|
25 | /*****************************************************/ |
---|
26 | |
---|
27 | /*********************************/ |
---|
28 | /* Timer code. */ |
---|
29 | /*********************************/ |
---|
30 | |
---|
31 | #include "dhry.h" |
---|
32 | #include "system.h" |
---|
33 | |
---|
34 | /***************************************************/ |
---|
35 | /* dtime(). */ |
---|
36 | /***************************************************/ |
---|
37 | #ifdef HAVE_DOUBLE |
---|
38 | # ifndef MHZ |
---|
39 | # define MHZ (1000000.0) |
---|
40 | # endif //!MHZ |
---|
41 | |
---|
42 | # ifndef FRQ |
---|
43 | # define FRQ (1*MHZ) |
---|
44 | # endif //!FRQ |
---|
45 | #endif |
---|
46 | |
---|
47 | DOUBLE dtime() |
---|
48 | { |
---|
49 | DOUBLE q; |
---|
50 | |
---|
51 | #ifdef HAVE_DOUBLE |
---|
52 | q = (DOUBLE)(cpu_cycles())/(DOUBLE)FRQ; |
---|
53 | #else |
---|
54 | q = (DOUBLE)(cpu_cycles()); |
---|
55 | #endif |
---|
56 | |
---|
57 | return (q); |
---|
58 | } |
---|
Note: See
TracBrowser
for help on using the repository browser.