1 #include "RenderScript.h" 2 #include <sys/time.h> 3 4 #include "ScriptC_latency.h" 5 6 int main(int argc, char** argv) 7 { 8 int iters = 100; 9 int numElems = 1000; 10 bool forceCpu = false; 11 bool synchronous = false; 12 13 if (argc >= 2) { 14 iters = atoi(argv[1]); 15 if (iters <= 0) { 16 printf("iters must be positive\n"); 17 return 1; 18 } 19 } 20 21 printf("iters = %d\n", iters); 22 23 if (argc >= 3) { 24 numElems = atoi(argv[2]); 25 if (numElems <= 0) { 26 printf("numElems must be positive\n"); 27 return 1; 28 } 29 } 30 31 if (argc >= 4) { 32 int temp = atoi(argv[3]); 33 if (temp != 0) 34 forceCpu = true; 35 } 36 37 if (argc >= 5) { 38 int temp = atoi(argv[4]); 39 if (temp != 0) 40 synchronous = true; 41 } 42 43 if (forceCpu) 44 printf("forcing CPU\n"); 45 46 if (synchronous) 47 printf("forcing synchronous\n"); 48 49 printf("numElems = %d\n", numElems); 50 51 sp<RS> rs = new RS(); 52 53 uint32_t flags = 0; 54 if (forceCpu) flags |= RS_INIT_LOW_LATENCY; 55 if (synchronous) flags |= RS_INIT_SYNCHRONOUS; 56 57 if (!rs->init("/system/bin", flags)) { 58 printf("Could not initialize RenderScript\n"); 59 return 1; 60 } 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
