C-based Design: High-Level Synthesis with Vivado HLS

DSP3 | DSP21000-ILT (2016.1)

Course Description

The course provides a thorough introduction to Vivado™ HLS (high-level synthesis). This course covers synthesis strategies, features, improving throughput, area, interface creation, latency, testbench coding, and coding tips. Utilize Vivado HLS to optimize code for high-speed performance in an embedded environment and download for in-circuit validation.

Level: DSP-3
Course Duration: 2 days 
Price: $1400 or 14 Xilinx Training Credits 
Course Part Number: DSP-HLS-ILT 
Who Should Attend?: Software and hardware engineers looking to utilize high-level synthesis
Registration: Register online in our secure store 

Prerequisites

  • C, C++, or System C knowledge
  • High-level synthesis for software engineers OR high-level synthesis for hardware engineers

Software Tools

  • Vivado System Edition 2016.1

Hardware

  • Architecture: Zynq™-7000 All Programmable SoC and 7 series FPGAs*
  • Demo board: Zynq-7000 All Programmable SoC ZC702 board or Zed board*

*This course focuses on the Zynq-7000 All Programmable SoC and 7 series FPGA architectures. Contact us for specifics or other customizations.

After completing this comprehensive training, you will have the necessary skills to:

  • Enhance productivity using Vivado HLS tool
  • Describe the high-level synthesis flow
  • Use Vivado HLS for a first project
  • Identify the importance of the testbench
  • Use directives to improve performance and area and select RTL interfaces
  • Identify common coding pitfalls as well as methods for improving code for RTL/hardware
  • Perform system-level integration of IP generated by the Vivado HLS tool
  • Describe how to use OpenCV functions in the Vivado HLS Tool

Course Outline

Day 1

  • Introduction to High-Level Synthesis (Lecture)
  • Basics of the Vivado HLS Tool (Lecture,Demo,Lab)
  • Design Exploration with Directives (Lecture)
  • Vivado HLS Tool Command Line Interface(Lecture,Lab)
  • Introduction to HLS UltraFast Design Methodology (Lecture)
  • Introduction to I/O Interfaces (Lecture)
  • Block-Level Protocols (Lecture,Lab)
  • Port-Level Protocols (Lecture,Demo,Lab)
  • Port-Level Protocols: AXI4 Interfaces (Lecture,Demo)
  • Port-Level Protocols: Memory Interfaces (Lecture,Lab)
  • Port-Level Protocols: Bus Protocol (Lecture)
  • Pipeline for Performance:PIPELINE (Lecture,Demo,Lab)

Day 2

  • Pipeline for Performance: DATAFLOW (Lecture,Lab)
  • Optimizing Structures for Performance (Lecture,Demo,Lab)
  • Data Pack and Data Dependencies (Lecture)
  • Vivado HLS Tool Default Behavior-Latency (Lecture)
  • Reduce Latency (Lecture)
  • Improving Area (Lecture,Lab)
  • Introduction to HLx Design Flow (Lecture,Demo,Lab)
  • HLS vs. DSDoC Development Environment Flow (Lecture,Demo)
  • Vivado HLS Tool: C Code (Lecture,Lab)
  • Hardware Modeling (Lecture)
  • Open CV Libraries(Lecture)
  • Pointers (Lecture)

Topic Descriptions

Day 1

  • Introduction to High-Level Synthesis-Overview of the High-Level Synthesis (HLS), Vivado HLS tool flow, and the verification advantage.
  • Basics of the Vivado HLS Tool-Explore the basics of high-level synthesis and the Vivado HLS tool.
  • Design Exploration with Directives-Explore different optimization techniques that can improve the design performance.
  • Vivado HLS Tool Command Line Interface-Describes the Vivado HLS tool flow in command prompt mode.
  • Introduction to HLS UltraFast Design Methodology-Imtroduces the methodology quidelines covered in this course and the HLS UltraFast Design Methodology steps.
  • Introduction to I/O Interfaces-Explains interfaces such as block-level and port-level protocols abstracted by the Vivado HLS tool from the C design.
  • Block-Level Protocols-Explains the different types of block-level protocols abstracted by the Vivado HLS tool.
  • Port-Level Protocols-Describes the port-level interface protocols abstracted by the Vivado HLS tool from the C design.
  • Port-Level Protocols-AXI4 Interfaces-Explains the different AXI interfaces (such as AXI4-Master,AXI4-Lite(Slave) and AXI4-Stream) supported by the Vivado HLS tool.
  • Port-Level Protocols: Memory Interfaces-Describes the Memory Interface port-level protocols (such as BRAM,FIFO) abstracted by the Vivado HLS tool from the C design.
  • Port-Level Protocols: Bus Protocol-Explains the bus protocol supported by the Vivado HLS tool.
  • Pipeline for Performance: PIPELINE-Describes the PIPELINE directive for improving the throughput of a design.

Day 2

  • Pipeline for Performance: DATAFLOW-Describes the DATAFLOW directive for improving the throughput of a design by pipelining the functions to executes as soon as possible.
  • Optimizing Structures for Performance-Learn the performance limitations caused by arrays in your design. You will also learn some optimization techniques to handle arrays for improving performance.
  • Data Pack and Data Dependencies- Learn how to use DATA_PACK and DEPENCENCE directives to overcome the limitations caused by structures and loops in the design.
  • Vivado HLS Tool Default Behavior: Latency-Describes the default behavior of the Vivado HLS tool on latency and throughput.
  • Reduce Latency-Describes how to optimize the C design to improve latency.
  • Improving Area-Describes different methods for improving resource utilization and explains how some of the directives have impact on the area utilization.
  • Introduction to HLx Design Flow-Describes the traditional RTL flow versus the Vivado HLx design flow.
  • HLS vs. SDSoC Development Environment Flow-Describes the HLS and flow versus the SDSoC development environment flow.
  • Vivado HLS Tool:C Code-Describes the Vivado HLS tool support for the C/C++ languages, as well as arbitrary percision data types.
  • Hardware Modeling-Explains hardware modeling with streaming data types and shift register implementation using the ap_shift_reg class.
  • OpenCV Libraries-Explains the OpenCV design flow and the Vivado HLS tool support.
  • Pointers-Explains the use of pointers in the design and workarounds for some of the limitations.

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