4. Poplar

• 4.1. Tutorial 1: programs and variables
  • Setup
  • Graphs, variables and programs
    • Creating the graph
    • Adding variables and mapping them to IPU tiles
    • Adding the control program
    • Compiling the poplar executable
  • Initialising variables
  • Getting data into and out of the device
  • Data streams
  • (Optional) Using the IPU
  • Summary
• 4.2. Tutorial 2: using PopLibs
  • Setup
  • Using PopLibs
  • Reshaping and transposing data
• 4.3. Tutorial 3: writing vertex code
  • Setup
  • Writing vertex code
  • Creating a codelet
  • Creating a compute set
  • Executing the compute set
• 4.4. Tutorial 4: profiling output
  • Setup
  • Profiling on the IPU
  • Profiling Methods
    • Command line Profile Summary
    • Generating Profile Report Files
    • Using The PopVision Analysis API in C++ or Python
  • Using PopVision Graph Analyser - loading and viewing a report
  • Using PopVision Graph Analyser - General Functionality
    • Capturing IPU Reports - setting POPLAR_ENGINE_OPTIONS
    • Comparing two reports
    • Profiling an Out Of Memory program
  • Using PopVision Graph Analyser - Different tabs in the application
    • Memory Report
    • Program Tree
    • Operations Summary
    • Liveness Report
    • Execution Trace
  • Follow-ups
  • Summary
• 4.5. Tutorial 5: matrix-vector multiplication
  • Setup
  • The vertex code
  • The host code
  • (Optional) Using the IPU
  • Summary
• 4.6. Tutorial 6: matrix-vector multiplication optimisation
  • Setup
  • Optimising matrix-vector multiplication