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Compiler integration of the Concat operation #1193

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@mdanilow mdanilow commented Sep 20, 2024

This PR depends on a PR from the finn-hlslib where the Concat operation was implemented (Xilinx/finn-hlslib#143)

  • The Concat op code is not hardcoded in the compiler anymore and it now accepts different datatypes of inputs. The output datatype is inferred.
  • HLS implementation is defined for a one clock cycle, without defining NUM_REPS, so the new timeout cppsim template is also added and utilized by the operation.
  • The tests/fpgadataflow/test_fpgadataflow_concat.py test now tests the case of inputs being different datatypes

Michal Danilowicz added 9 commits September 20, 2024 16:12
…eNHWC transformations are checking whether the node to be moved is a fork node, in which case the MoveOpPastFork is called. MoveOpPastFork uses deepcopies of the original node.
… and it now accepts different datatypes of inputs. It uses the new implementation from finn-hlslib
…ypes among inputs and sets the SIMD parameter
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