From FPGA to Support Cloud to Cloud of FPGA: State of the Art

Table 3

Summary of FPGA software tools as a service.

Works	Description language^1	FPGA tools^2	Tool parameters^3	Number of FPGA devices^4	Implementation or optimization^5	Sharing time^6	Solved challenges^7
FPGA expansion pack [51]	HDL	Xilinx Vivado	No parameter	Unknown limit	Implementation	Yes	C2
							(i) License software (D4); (ii) Device selection (D7)
AI Lab [55]	HDL	Xilinx Vivado	No parameter	1	Implementation	Yes	C2-C3
							(i) FPGA tools selection (D3); (ii) Device selection (D7)
Intime [52, 53]	Netlist	Xilinx, Intel	Thousands of combinations	1	Optimization	Yes	C2
							(i) Tool parameters (D5); (ii) Timing closure (D6)
Labview FPGA [55]	Labview code	Xilinx	Unknown limited to parameters of the FPGA tool selected	1	Implementation/optimization	Yes	C2
							(i) FPGA design tools selection (D3); (ii) License software (D4); (iii) Tools parameter (D5)

¹Description language: referring to the input language required by the FPGA tools available in the service. ²FPGA tools: providing the FPGA tool vendors in each service. ³Tool parameters: offering the synthesis and place-and-route parameters that are offered by each service. ⁴Number of FPGA devices: indicating the number of FPGA devices that they are available in FPGA tools. ⁵Implementation or optimization: indicating the goal of each service. ⁶Sharing time: ability of hardware designers to synthesis and place and route their applications with different FPGA tools at the same time. ⁷Solved challenge; indicates that the challenge is not fully solved and solved difficulties are listed.