Transcription of Vivado HLS Tutorial - Cornell University
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Vivado HLS Tutorial - Cornell University
VivadoHLS TutorialSteve Dai, Sean Lai, HanchenJin, ZhiruZhangSchool of Electrical and Computer Engineering ECE 5775 High-Level Digital Design Automation Fall 2018 Agenda Logistics and questions Introduction to high-level synthesis C-based synthesis Common HLS optimizations Case study: FIR filter1 What Automateddesign process that transforms a high-level functional specificationtooptimized register-transfer level (RTL)descriptions for efficient hardware implementation Why Productivity lower design complexity and faster simulation speed Portability single source -> multiple implementations Permutability rapid design space exploration -> higher quality of result (QoR)2 High-Level Synthesis (HLS)Permutability: Faster Design Space ExplorationLatencyAreaThroughputUntimedC ombinationalSequentialPipelined++in1+out 1in2in3in4++in1+out1in2in3in4addclk1addc lkAAt1Td3t*3/1==tclk dadd+dsetupT2=1/(3*tclk)A2=Aadd+2*Aregre gaddclk3setupaddclkAAAtTddt*6*3/13+==+++ in+out321432121()in4in3,in2,in1,fout1=in 1+out1in2in3in4 REG3 Control-Data Flow Graph Data type specialization arbitrary-precision fixed-point, cu
Compute specialization ... # open the HLS project fir.prj open_project fir.prj -reset # set the top-level function of the design to be fir set_top fir # add design and testbench files add_files fir_initial.c add_files -tb fir-top.c open_solution "solution1" # use Zynq device
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