int main(int argc, char *argv[]) {
testMemcpy("sceDmacMemcpy", &sceDmacMemcpy);
testMemcpy("sceDmacTryMemcpy", &sceDmacTryMemcpy);
checkpointNext("Size of copy:");
// Approximate speed: 225 MB/s.
checkpoint(" sceDmacMemcpy 1MB: %08x", sceDmacMemcpy((void*)0x04000000, (void*)0x04100000, 0x00100000));
checkpoint(" sceDmacTryMemcpy 1MB: %08x", sceDmacTryMemcpy((void*)0x04000000, (void*)0x04100000, 0x00100000));
checkpoint(" sceDmacMemcpy 1KB: %08x", sceDmacMemcpy((void*)0x04000000, (void*)0x04100000, 0x00000400));
checkpoint(" sceDmacMemcpy 512B: %08x", sceDmacMemcpy((void*)0x04000000, (void*)0x04100000, 0x00000200));
// This is suspiciously consistent, but maybe it's just chance.
checkpoint(" sceDmacMemcpy 272B: %08x", sceDmacMemcpy((void*)0x04000000, (void*)0x04100000, 0x00000110));
checkpoint(" sceDmacMemcpy 271B: %08x", sceDmacMemcpy((void*)0x04000000, (void*)0x04100000, 0x0000010F));
checkpoint(" sceDmacMemcpy 257B: %08x", sceDmacMemcpy((void*)0x04000000, (void*)0x04100000, 0x00000101));
checkpoint(" sceDmacMemcpy 256B: %08x", sceDmacMemcpy((void*)0x04000000, (void*)0x04100000, 0x00000100));
checkpointNext("Concurrent copies:");
SceUID copyThread = sceKernelCreateThread("dmac", &dmacCopyFunc, 0x10, 0x1000, 0, NULL);
sceKernelStartThread(copyThread, 0, NULL);
checkpoint(" sceDmacTryMemcpy 1MB: %08x", sceDmacTryMemcpy((void*)0x04000000, (void*)0x04100000, 0x00100000));
checkpoint(" sceDmacMemcpy 1MB: %08x", sceDmacMemcpy((void*)0x04000000, (void*)0x04100000, 0x00100000));
checkpointNext("memalign:");
void *ptr;
ptr = memalign(128 , 2048); checkpoint("%d", ((int)ptr) % 128);
ptr = memalign(1024, 2048); checkpoint("%d", ((int)ptr) % 1024);
//ptr = memalign(100 , 2048); checkpoint("%d", ((int)ptr) % 100);
//checkpoint("%i bytes available", oslGetRamStatus().maxAvailable);
return 0;
}
int main()
{
#define TEST_SZ (1024)
int i;
for (i=TEST_SZ;i>0;--i)
{
// testMemmoveAlign(i);
// testBcopyAlign(i);
testMemcpy(i);
}
}