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Goal: Split Compiler

Goal: Split Compiler. static. deployment time. ML. LLVM. LLVM – DRESC. bytecode. ADRES executable. C code. annotations. optimized architecture description. compiler strategy. ADRES. Two functional views/operation modes

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Goal: Split Compiler

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  1. Goal: Split Compiler static deployment time ML LLVM LLVM – DRESC bytecode ADRES executable C code annotations optimized architecture description compiler strategy

  2. ADRES • Two functional views/operation modes • Features heterogeneous FUs, local RFs, direct connections between FUs • Reconfigurable every cycle • Tightly coupled to control processor IMEC ADRES CGRA Coarse-Grained Reconfigurable Array

  3. What does the DRESC scheduler do?

  4. Scheduling Phases • Determining the clusters • Recurrence Cluster Scheduling • Non-recurrence Cluster Scheduling

  5. 1. Determining the clusters

  6. 1 3 4 2

  7. 2. Recurrence Cluster Scheduling • Schedule incoming tree of cluster • Schedule recurrence cluster

  8. 2.I Schedule incoming tree of cluster

  9. 1 2

  10. 3

  11. 2.II Schedule recurrence cluster • All recurrence clusters are scheduled in a reverse manner

  12. 3

  13. 1 2

  14. 3. Schedule Remaining Nodes

  15. 4

  16. 4. Failure? Backtracking

  17. 5. A more complex example

  18. 2 1 4 3 5

  19. 4 3 5

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