Wednesday, February 1, 2023

Heterogeneous Architecture and Computing

V.P. Sampath is a senior member of IEEE and a member of Institution of Engineers India. He is currently working as technical architect at AdeptChips, Bengaluru. He is a regular contributor to national newspapers, IEEE-MAS section, and has published international papers on VLSI and networks

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[stextbox id=”grey”]//SystemC module\

SC_MODULE (addMod) {
sc_in A, B, C, threadIdx_x;
sc_port sMem, gMem;
sc_in clk, start;
sc_out done;
SC_CTOR(addMod) {
SC_CTHREAD(add, clk);

// kernel
void add() {
int i = threadIdx_x;
gMem.writeFloat (C+i,
gMem.readFloat(A+i) +

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SystemC interface called ‘fcMem’ is provided, like in latest GPUs, to better exploit the AXI interface bandwidth.

CUDA kernels in hardware
Fig. 11: CUDA kernels in hardware

Potential applications

Heterogeneous systems use advances in computing architectures to deliver improvements in power efficiency, performance, programmability and portability across computing devices. However, with heterogeneous architectures, care is required by the programmer to fully utilise hardware. Potential applications include smartphones, wearables, drones, high-end cameras, human-machine interfaces, industrial automation platforms, and security and surveillance products. The architecture has the potential to accelerate design of mobile and IoT edge devices, as it can easily handle features like voice, gesture and image recognition, haptics, graphics acceleration and signal aggregation.




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