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PopVision Graph Analyser User Guide
Version: latest
  • 1. Introduction
  • 2. User guide
    • 2.1. Overview
      • 2.1.1. End User License Agreement
      • 2.1.2. Telemetry consent
      • 2.1.3. About the IPU
    • 2.2. Capturing IPU reports
      • 2.2.1. Unsupported file versions
      • 2.2.2. Profiling Overhead
        • Compilation
        • Execution
      • 2.2.3. Reloading reports
      • 2.2.4. Poplar report files
        • Binary archive (‘archive.a’)
        • Poplar Profile (‘profile.pop’)
        • Lowered Vars Information
        • Serialized Computation graph (‘serialized_graph.capnp’)
        • Frameworks Information (‘framework.json’ & ‘app.json’)
        • Debug Information (‘debug.cbor’)
      • 2.2.5. Using TensorFlow
      • 2.2.6. Using PopART
      • 2.2.7. Using PyTorch
    • 2.3. Opening reports
      • 2.3.1. Opening recent reports
      • 2.3.2. Comparing reports
      • 2.3.3. Local reports
        • Opening local reports
      • 2.3.4. Remote reports
        • Opening a remote report
        • Connection errors
    • 2.4. Viewing reports
      • 2.4.1. Using the side menu
      • 2.4.2. Adjusting report size
      • 2.4.3. Navigating report graphs
        • Using the Navigation panel
        • Keyboard graph navigation
        • Graph data keys
      • 2.4.4. Saving report images to disk
    • 2.5. Viewing a Summary Report
      • 2.5.1. Program Information
        • Target
        • Graph
      • 2.5.2. Engine options
      • 2.5.3. Framework and Application JSON files
      • 2.5.4. Report files
    • 2.6. Viewing an Insights Report
      • 2.6.1. Memory insights
      • 2.6.2. Vertex and exchange sizes
      • 2.6.3. Tips on reducing memory usage
    • 2.7. Viewing a Memory Report
      • 2.7.1. Navigating memory reports
        • Selecting individual tiles/IPUs
        • Memory Report view options
      • 2.7.2. Total Memory graph
        • Memory Report breakdown
          • Breakdown by Region
          • Breakdown by category
          • Breakdown by liveness
      • 2.7.3. Variables Memory graph
      • 2.7.4. Tile map Memory graph
        • Changing the colour scale
      • 2.7.5. Tile memory usage
        • Tile memory usage: Details tab
          • Excluding Gaps
        • Tile memory usage: Compute Sets tab
        • Tile memory usage: Vertices tab
        • Tile memory usage: Exchanges tab
        • Tile memory usage: Variables tab
          • Memory interference
        • Variable types
        • Known variables
        • Plot multiple variables
        • Full-screen option
        • Toggle between table and graph view
        • Show differences between selected tiles
        • Show base address offset
    • 2.8. Viewing a Liveness Report
      • 2.8.1. Navigating Liveness reports
      • 2.8.2. The Liveness graph
        • Selecting a source
        • Filtering steps
        • Viewing options
      • 2.8.3. Liveness stack details
        • Viewing enhanced debug information
        • Always-Live Variables
        • Not-Always-Live Variables
        • Vertices
        • Cycle estimates
        • Show differences between selected tiles
    • 2.9. Viewing a Program Tree
      • 2.9.1. Searching for program steps
      • 2.9.2. Details tab
      • 2.9.3. Viewing Debug Information
      • 2.9.4. Change Layout
      • 2.9.5. Viewing options
    • 2.10. Viewing an Operations Summary
      • 2.10.1. Operations table
        • Selecting a software layer
        • Selecting which columns to display
        • Sorting and filtering
      • 2.10.2. Operations Summary tabs
        • Summary tab
        • Program Tree tab
        • Code tab
        • Cycles tab
        • FLOPs tab
        • Debug tab
    • 2.11. Viewing an Operations Graph
      • 2.11.1. Graph entities
        • HLO layers
          • Defining HLO layers
        • High Level Operations (HLOs)
        • HLO Calls/fusion operations
        • Edge tensors
      • 2.11.2. Selected entity information tabs
      • 2.11.3. Highlighting operations by metric
      • 2.11.4. Advanced options
    • 2.12. Viewing an Execution Trace
      • 2.12.1. The Execution Trace graph
        • Execution View
          • Defining program names
          • Run-specific execution parameters
        • Selecting IPUs
        • Filtering steps
        • Viewing options
      • 2.12.2. Execution Trace details
        • Summary tab
          • Statistics
          • Cycle proportions
          • Tile balance
        • Details tab
          • Internal Sync
          • External Sync
          • SyncAns
          • OnTileExecute
          • DoExchange
          • GlobalExchange operations
          • StreamCopy
      • 2.12.3. Change Layout
    • 2.13. Application preferences
      • 2.13.1. Setting the colour theme
      • 2.13.2. SSH preferences
      • 2.13.3. Menu close delay
      • 2.13.4. Scroll behaviour
      • 2.13.5. Show help links
      • 2.13.6. Quit after last window is closed
      • 2.13.7. Experimental features
      • 2.13.8. Show graph stats
      • 2.13.9. Stack graph values
      • 2.13.10. Send telemetry
      • 2.13.11. Software update
    • 2.14. FAQs
      • 2.14.1. Not-always-live memory discrepancy
    • 2.15. Glossary
      • 2.15.1. Architecture
      • 2.15.2. BSP
      • 2.15.3. Bulk-synchronous parallel
      • 2.15.4. Codelet
      • 2.15.5. Compute set
      • 2.15.6. Debug context
      • 2.15.7. Edge
      • 2.15.8. Exchange
        • External exchange
        • Global exchange
        • Host exchange
        • Inter-IPU exchange
      • 2.15.9. Flame graph
      • 2.15.10. IPU
      • 2.15.11. Liveness
        • Always-live
        • Not-always-live
      • 2.15.12. Lowering
      • 2.15.13. Lowered variable
      • 2.15.14. Memory
        • Memory bank
        • Memory element
        • Memory interference
        • Memory region
        • Non-interleaved memory
        • Interleaved memory
        • Overflowed memory
        • Out-of-memory (OOM)
      • 2.15.15. Pipelining
      • 2.15.16. PopART
      • 2.15.17. Poplar
      • 2.15.18. PopLibs
      • 2.15.19. Replication
      • 2.15.20. Sync
        • External sync
        • Internal sync
      • 2.15.21. Tile
        • Active tile
        • Tile balance
        • Unlowered variable
      • 2.15.22. Vertex
        • Vertex field
        • Vertex instance
        • Vertex source
        • Vertex state
        • Vertex type
    • 2.16. Release notes
    • 2.17. Licensing information
    • 2.18. Data we collect
  • 3. Release notes
    • 3.1. Version 3.7.2
    • 3.2. Version 3.6.1
    • 3.3. Version 3.4.1
    • 3.4. Version 3.3.1
    • 3.5. Version 3.2.0
    • 3.6. Version 3.1.1
    • 3.7. Version 3.0.3
      • 3.7.1. General improvements
      • 3.7.2. Execution Trace
      • 3.7.3. Program Tree
    • 3.8. Version 2.5.5
      • 3.8.1. Highlights
      • 3.8.2. Liveness Report
      • 3.8.3. Program Tree
      • 3.8.4. Execution Trace
      • 3.8.5. General improvements and bug fixes
    • 3.9. Version 2.4.4
      • 3.9.1. Highlights
      • 3.9.2. Summary Report
      • 3.9.3. Memory Report
      • 3.9.4. Liveness Report
      • 3.9.5. Program Tree
      • 3.9.6. Operations Graph
      • 3.9.7. Operations Summary
      • 3.9.8. Execution Trace
      • 3.9.9. General improvements and bug fixes
    • 3.10. Version 2.3.2
      • 3.10.1. Highlights
      • 3.10.2. Poplar
      • 3.10.3. PopART and TensorFlow
      • 3.10.4. PopVision™ Graph Analyser
      • 3.10.5. Summary Report
      • 3.10.6. Memory Report
      • 3.10.7. Liveness Report
      • 3.10.8. Operations Report
      • 3.10.9. Execution Trace Report
    • 3.11. Version 2.2.5
      • 3.11.1. Highlights
      • 3.11.2. Poplar
      • 3.11.3. Memory Report
      • 3.11.4. Liveness Report
      • 3.11.5. Program Tree
    • 3.12. Version 2.1.3
      • 3.12.1. Highlights
      • 3.12.2. Summary Report
      • 3.12.3. Memory Report
      • 3.12.4. Liveness Report
      • 3.12.5. Execution Trace
      • 3.12.6. SSH Improvements
      • 3.12.7. General application-wide changes
    • 3.13. Version 2.0.0
      • 3.13.1. Capturing Reports
      • 3.13.2. Opening Reports
      • 3.13.3. Summary Report
      • 3.13.4. Memory Report
      • 3.13.5. Liveness Report
      • 3.13.6. Program Tree Report
      • 3.13.7. Execution Trace Report
      • 3.13.8. Comparing Reports
      • 3.13.9. Help
      • 3.13.10. General
      • 3.13.11. Experimental Features
  • 4. Legal notices
PopVision Graph Analyser User Guide
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PopVision Graph Analyser User Guide

  • 1. Introduction
  • 2. User guide
    • 2.1. Overview
    • 2.2. Capturing IPU reports
    • 2.3. Opening reports
    • 2.4. Viewing reports
    • 2.5. Viewing a Summary Report
    • 2.6. Viewing an Insights Report
    • 2.7. Viewing a Memory Report
    • 2.8. Viewing a Liveness Report
    • 2.9. Viewing a Program Tree
    • 2.10. Viewing an Operations Summary
    • 2.11. Viewing an Operations Graph
    • 2.12. Viewing an Execution Trace
    • 2.13. Application preferences
    • 2.14. FAQs
    • 2.15. Glossary
    • 2.16. Release notes
    • 2.17. Licensing information
    • 2.18. Data we collect
  • 3. Release notes
    • 3.1. Version 3.7.2
    • 3.2. Version 3.6.1
    • 3.3. Version 3.4.1
    • 3.4. Version 3.3.1
    • 3.5. Version 3.2.0
    • 3.6. Version 3.1.1
    • 3.7. Version 3.0.3
    • 3.8. Version 2.5.5
    • 3.9. Version 2.4.4
    • 3.10. Version 2.3.2
    • 3.11. Version 2.2.5
    • 3.12. Version 2.1.3
    • 3.13. Version 2.0.0
  • 4. Legal notices
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