1 #include "RenderScript.h"
2 #include <sys/time.h>
3
4 #include "ScriptC_latency.h"
5
6 using namespace android;
7 using namespace RSC;
8
main(int argc,char ** argv)9 int main(int argc, char** argv)
10 {
11 int iters = 100;
12 int numElems = 1000;
13 bool forceCpu = false;
14 bool synchronous = false;
15
16 if (argc >= 2) {
17 iters = atoi(argv[1]);
18 if (iters <= 0) {
19 printf("iters must be positive\n");
20 return 1;
21 }
22 }
23
24 printf("iters = %d\n", iters);
25
26 if (argc >= 3) {
27 numElems = atoi(argv[2]);
28 if (numElems <= 0) {
29 printf("numElems must be positive\n");
30 return 1;
31 }
32 }
33
34 if (argc >= 4) {
35 int temp = atoi(argv[3]);
36 if (temp != 0)
37 forceCpu = true;
38 }
39
40 if (argc >= 5) {
41 int temp = atoi(argv[4]);
42 if (temp != 0)
43 synchronous = true;
44 }
45
46 if (forceCpu)
47 printf("forcing CPU\n");
48
49 if (synchronous)
50 printf("forcing synchronous\n");
51
52 printf("numElems = %d\n", numElems);
53
54 sp<RS> rs = new RS();
55
56 uint32_t flags = 0;
57 if (forceCpu) flags |= RS_INIT_LOW_LATENCY;
58 if (synchronous) flags |= RS_INIT_SYNCHRONOUS;
59
60 bool r = rs->init("/system/bin", flags);
61
62 sp<const Element> e = Element::U32(rs);
63
64 Type::Builder tb(rs, e);
65 tb.setX(numElems);
66 sp<const Type> t = tb.create();
67
68 uint32_t *buf = new uint32_t[numElems];
69
70 sp<Allocation> ain = Allocation::createTyped(rs, t);
71 sp<Allocation> aout = Allocation::createTyped(rs, t);
72
73 sp<ScriptC_latency> sc = new ScriptC_latency(rs);
74
75 struct timeval start, stop;
76
77 gettimeofday(&start, nullptr);
78
79 for (int i = 0; i < iters; i++) {
80 sc->forEach_root(ain, aout);
81 }
82
83 rs->finish();
84
85 gettimeofday(&stop, nullptr);
86
87 long long elapsed = (stop.tv_sec * 1000000) - (start.tv_sec * 1000000) + (stop.tv_usec - start.tv_usec);
88 printf("elapsed time : %lld microseconds\n", elapsed);
89 printf("time per iter: %f microseconds\n", (double)elapsed / iters);
90
91 gettimeofday(&start, nullptr);
92
93 for (int i = 0; i < iters; i++) {
94 ain->copy1DFrom(buf);
95 sc->forEach_root(ain, aout);
96 aout->copy1DTo(buf);
97 }
98
99 rs->finish();
100
101 gettimeofday(&stop, nullptr);
102 elapsed = (stop.tv_sec * 1000000) - (start.tv_sec * 1000000) + (stop.tv_usec - start.tv_usec);
103 printf("elapsed time with copy : %lld microseconds\n", elapsed);
104 printf("time per iter with copy: %f microseconds\n", (double)elapsed / iters);
105
106 sc.clear();
107 t.clear();
108 e.clear();
109 ain.clear();
110 aout.clear();
111 }
112