A GMIO port attribute is used to make external memory-mapped connections to or from the global memory. These connections are made between an AI Engine graph and the logical global memory ports of a hardware platform design. For more details please refer GMIO Attributes.
GMIO gmioIn1("gmioIn1", 64, 1000);
GMIO gmioOut("gmioOut", 64, 1000);
connect<>(inptr.out[0], k1.in[0]);
connect<parameter>(kernelCoefficients, async(k1.in[1]));
connect<>(k1.out[0], outptr.in[0]);