Reduced Dataset size to 2 GiB with 8 memory accesses per block

Disabled Dataset growth

src/InterpretedVirtualMachine.cpp

@@ -349,6 +349,7 @@ namespace RandomX {
 			executeBytecode(r, f, e, a);
 
 			mem.mx ^= r[readReg2] ^ r[readReg3];
+			mem.mx &= CacheLineAlignMask;
 			Cache& cache = mem.ds.cache;
 			uint64_t datasetLine[CacheLineSize / sizeof(uint64_t)];
 			initBlock(cache, (uint8_t*)datasetLine, datasetBase + mem.ma / CacheLineSize, RANDOMX_CACHE_ACCESSES / 8);