FPGA (Field Programmable Gate Array) shines in the traditional communication field and IC design field due to its hardware parallel acceleration capability and programmable features. Along the way, FPGA technology is not an emerging hardware device. Due to its high development threshold, the release and deployment protection requirements of hardware acceleration algorithms are very high. The use of FPGA has always been a cold beauty and has not entered the homes of ordinary people. . This leads to the fact that the computational potential of FPGAs has not yet been thoroughly tapped.
Alibaba FPGA cloud server platform FaaS (FPGA as a Service) provides a unified hardware platform and middleware in the cloud, which can greatly reduce the cost of accelerator development and deployment. Users can directly use the acceleration services provided by the deployment accelerator provider; they can also quickly develop and deploy their own customized accelerators without knowing the underlying hardware.
The FaaS platform provides a unified FPGA hardware interface Shell for all accelerator developers, helping users solve the most difficult high-speed interface development and debugging of FPGA development, such as PCIe, Fiber interface, DDR controller, etc., greatly simplifying the development time ; Users can directly obtain the maximum performance of the hardware platform and FPGA interface, and will not waste the performance of the hardware platform due to the lack of team development capabilities and experience.
On the premise of providing a unified interface to provide security and convenience, Aliyun FaaS also does its best to ensure the flexibility and speed of user design, and the concept of Role came into being. Role is in the dynamic area, which is different from Shell. Users can change the Role part at any time as needed; this combination of Shell + Role ensures the lightest weight of Shell, greatly improves the convenience of development, and greatly shortens development. The time required.
Corresponding to Shell and Role, on the server side, FaaS also provides corresponding drivers and software libraries to provide users with unified and flexible software support, such as DMA drivers, register access drivers, and so on.
If traditional FPGA development starts from hardware design, it needs to go through a long hardware cycle such as principle design, PCB design, PCB production, assembly testing, etc.; in the logic design stage, it is also necessary to start debugging, interface debugging, and driver development from the bottom layer of the board. The work begins; after these work is completed, Kaineng starts normal logic development work.
The Ali FaaS platform greatly simplifies the entire FPGA design process. Using FaaS examples, no hardware cycle is required; in the logic design stage, you can skip board startup debugging and interface debugging, and you can directly start user logic design; moreover, the provision of Role can also simplify or omit part of user logic design.
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