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112 lines
2.6 KiB
112 lines
2.6 KiB
4 months ago
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#include "RenderScript.h"
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#include <sys/time.h>
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#include "ScriptC_latency.h"
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int main(int argc, char** argv)
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{
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int iters = 100;
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int numElems = 1000;
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bool forceCpu = false;
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bool synchronous = false;
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if (argc >= 2) {
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iters = atoi(argv[1]);
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if (iters <= 0) {
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printf("iters must be positive\n");
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return 1;
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}
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}
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printf("iters = %d\n", iters);
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if (argc >= 3) {
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numElems = atoi(argv[2]);
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if (numElems <= 0) {
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printf("numElems must be positive\n");
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return 1;
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}
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}
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if (argc >= 4) {
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int temp = atoi(argv[3]);
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if (temp != 0)
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forceCpu = true;
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}
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if (argc >= 5) {
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int temp = atoi(argv[4]);
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if (temp != 0)
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synchronous = true;
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}
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if (forceCpu)
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printf("forcing CPU\n");
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if (synchronous)
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printf("forcing synchronous\n");
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printf("numElems = %d\n", numElems);
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sp<RS> rs = new RS();
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uint32_t flags = 0;
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if (forceCpu) flags |= RS_INIT_LOW_LATENCY;
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if (synchronous) flags |= RS_INIT_SYNCHRONOUS;
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if (!rs->init("/system/bin", flags)) {
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printf("Could not initialize RenderScript\n");
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return 1;
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}
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sp<const Element> e = Element::U32(rs);
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Type::Builder tb(rs, e);
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tb.setX(numElems);
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sp<const Type> t = tb.create();
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uint32_t *buf = new uint32_t[numElems];
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sp<Allocation> ain = Allocation::createTyped(rs, t);
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sp<Allocation> aout = Allocation::createTyped(rs, t);
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sp<ScriptC_latency> sc = new ScriptC_latency(rs);
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struct timeval start, stop;
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gettimeofday(&start, nullptr);
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for (int i = 0; i < iters; i++) {
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sc->forEach_root(ain, aout);
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}
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rs->finish();
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gettimeofday(&stop, nullptr);
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long long elapsed = (stop.tv_sec * 1000000) - (start.tv_sec * 1000000) + (stop.tv_usec - start.tv_usec);
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printf("elapsed time : %lld microseconds\n", elapsed);
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printf("time per iter: %f microseconds\n", (double)elapsed / iters);
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gettimeofday(&start, nullptr);
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for (int i = 0; i < iters; i++) {
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ain->copy1DFrom(buf);
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sc->forEach_root(ain, aout);
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aout->copy1DTo(buf);
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}
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rs->finish();
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gettimeofday(&stop, nullptr);
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elapsed = (stop.tv_sec * 1000000) - (start.tv_sec * 1000000) + (stop.tv_usec - start.tv_usec);
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printf("elapsed time with copy : %lld microseconds\n", elapsed);
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printf("time per iter with copy: %f microseconds\n", (double)elapsed / iters);
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sc.clear();
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t.clear();
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e.clear();
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ain.clear();
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aout.clear();
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}
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