TEST(testcopybuffer, throwsifnotondevice) {
if(!EasyCL::isOpenCLAvailable()) {
cout << "opencl library not found" << endl;
exit(-1);
}
cout << "found opencl library" << endl;
EasyCL *cl = EasyCL::createForFirstGpuOtherwiseCpu();
//CLKernel *kernel = cl->buildKernel("testeasycl.cl", "test");
const int bufferSize = 100 * 1024 / 4;
float *in = new float[bufferSize];
float *in2 = new float[bufferSize];
for(int i = 0; i < bufferSize; i++) {
in[i] = i * 3;
in2[i] = 23 + i;
}
CLWrapper *inwrapper = cl->wrap(bufferSize, in);
CLWrapper *in2wrapper = cl->wrap(bufferSize, in2);
inwrapper->copyToDevice();
// in2wrapper->copyToDevice();
bool threw = false;
try {
inwrapper->copyTo(in2wrapper);
} catch(runtime_error &e) {
threw = true;
}
EXPECT_TRUE(threw);
delete cl;
}
TEST(testcopybuffer, withoffset) {
if(!EasyCL::isOpenCLAvailable()) {
cout << "opencl library not found" << endl;
exit(-1);
}
cout << "found opencl library" << endl;
EasyCL *cl = EasyCL::createForFirstGpuOtherwiseCpu();
//CLKernel *kernel = cl->buildKernel("testeasycl.cl", "test");
float in[10];
float in2[10];
for(int i = 0; i < 10; i++) {
in[i] = i * 3;
in2[i] = 23 + i;
}
float out[10];
CLWrapper *inwrapper = cl->wrap(10, in);
CLWrapper *in2wrapper = cl->wrap(10, in2);
CLWrapper *outwrapper = cl->wrap(10, out);
inwrapper->copyToDevice();
in2wrapper->copyToDevice();
EXPECT_FALSE(in2wrapper->isDeviceDirty());
inwrapper->copyTo(in2wrapper, 2, 5, 4);
EXPECT_TRUE(in2wrapper->isDeviceDirty());
// cl->finish();
// check that in2 host-side unchanged:
for(int i = 0; i < 10; i++) {
in[i] = i * 3;
EXPECT_EQ(23 + i, in2[i]);
}
in2wrapper->copyToHost();
// check that in2 is now a partial copy of in:
for(int i = 0; i < 10; i++) {
// in[i] = i * 3;
if(i >= 5 && i < 9) {
EXPECT_EQ((i-3) * 3, in2[i]);
} else {
EXPECT_EQ(23 + i, in2[i]);
}
}
// check that modifying in2 doesnt modfiy in:
in2[1] = 27;
in2wrapper->copyToDevice();
inwrapper->copyToHost();
EXPECT_EQ(1 * 3, in[1]);
in2wrapper->copyToHost();
EXPECT_EQ(1 * 3, in[1]);
EXPECT_EQ(27, in2[1]);
delete inwrapper;
delete in2wrapper;
delete outwrapper;
delete cl;
}
TEST(testcopybuffer, main) {
if(!EasyCL::isOpenCLAvailable()) {
cout << "opencl library not found" << endl;
exit(-1);
}
cout << "found opencl library" << endl;
EasyCL *cl = EasyCL::createForFirstGpuOtherwiseCpu();
//CLKernel *kernel = cl->buildKernel("testeasycl.cl", "test");
float in[5];
float in2[5];
for(int i = 0; i < 5; i++) {
in[i] = i * 3.0f;
in2[i] = 23.0f + i;
}
float out[5];
CLWrapper *inwrapper = cl->wrap(5, in);
CLWrapper *in2wrapper = cl->wrap(5, in2);
CLWrapper *outwrapper = cl->wrap(5, out);
inwrapper->copyToDevice();
in2wrapper->copyToDevice();
EXPECT_FALSE(in2wrapper->isDeviceDirty());
inwrapper->copyTo(in2wrapper);
EXPECT_TRUE(in2wrapper->isDeviceDirty());
// cl->finish();
// check that in2 host-side unchanged:
for(int i = 0; i < 5; i++) {
in[i] = i * 3.0f;
EXPECT_EQ(23.0f + i, in2[i]);
}
in2wrapper->copyToHost();
// check that in2 is now a copy of in:
for(int i = 0; i < 5; i++) {
in[i] = i * 3.0f;
EXPECT_EQ(i * 3.0f, in2[i]);
}
// check that modifying in2 doesnt modfiy in:
in2[1] = 27;
in2wrapper->copyToDevice();
inwrapper->copyToHost();
EXPECT_EQ(1 * 3.0f, in[1]);
in2wrapper->copyToHost();
EXPECT_EQ(1 * 3.0f, in[1]);
EXPECT_EQ(27.0f, in2[1]);
delete inwrapper;
delete in2wrapper;
delete outwrapper;
delete cl;
}
TEST(SLOW_testcopybuffer, larger) {
if(!EasyCL::isOpenCLAvailable()) {
cout << "opencl library not found" << endl;
exit(-1);
}
cout << "found opencl library" << endl;
EasyCL *cl = EasyCL::createForFirstGpuOtherwiseCpu();
//CLKernel *kernel = cl->buildKernel("testeasycl.cl", "test");
const int bufferSize = 100 * 1024 * 1024 / 4; // 100MB (of floats)
float *in = new float[bufferSize];
float *in2 = new float[bufferSize];
for(int i = 0; i < bufferSize; i++) {
in[i] = i * 3;
in2[i] = 23 + i;
}
CLWrapper *inwrapper = cl->wrap(bufferSize, in);
CLWrapper *in2wrapper = cl->wrap(bufferSize, in2);
inwrapper->copyToDevice();
in2wrapper->copyToDevice();
inwrapper->copyTo(in2wrapper);
// cl->finish();
// check that in2 host-side unchanged:
for(int i = 0; i < bufferSize; i++) {
in[i] = i * 3;
EXPECT_EQ(23 + i, in2[i]);
}
in2wrapper->copyToHost();
// check that in2 is now a copy of in:
for(int i = 0; i < bufferSize; i++) {
in[i] = i * 3;
EXPECT_EQ(i * 3, in2[i]);
}
// check that modifying in2 doesnt modfiy in:
in2[1] = 27;
in2wrapper->copyToDevice();
inwrapper->copyToHost();
EXPECT_EQ(1 * 3, in[1]);
in2wrapper->copyToHost();
EXPECT_EQ(1 * 3, in[1]);
EXPECT_EQ(27, in2[1]);
delete inwrapper;
delete in2wrapper;
delete[] in;
delete[] in2;
delete cl;
}