better logging [2] build_data_flow.py

[azizb-xlnx]

Targeting build_data_flow.py as a first example of #1161
Only info prints are replaced in this PR, so only verbosity = 1 produces any exciting prints.

testing with a sandbox customer flow.

Default, verbosity = 0

we will see these stray prints until they are taken care of unfortunatly.

Running FINN flow: Streamline me
/group/cdc_ir/members/azizb/tools/miniconda3/envs/finn_sm/lib/python3.10/site-packages/qonnx/transformation/gemm_to_matmul.py:57: UserWarning: The GemmToMatMul transformation only offers explicit support for version 9 of the Gemm node, but the ONNX version of the supplied model is 14. Thus the transformation may fail or return incomplete results.
  warnings.warn(

No prints in the log file.

-v. verbosity = 1

Console:

[INFO  ] 15-08-2024 18:23:04 - Applying FINN steps on onnx/model.onnx
Running FINN flow: Streamline me
[INFO  ] 15-08-2024 18:23:04 - Building dataflow accelerator from onnx/model.onnx
[INFO  ] 15-08-2024 18:23:04 - Running step: step_tidy_up [1/3]
[INFO  ] 15-08-2024 18:23:04 - Running step: step_qonnx_to_finn [2/3]
/group/cdc_ir/members/azizb/tools/miniconda3/envs/finn_sm/lib/python3.10/site-packages/qonnx/transformation/gemm_to_matmul.py:57: UserWarning: The GemmToMatMul transformation only offers explicit support for version 9 of the Gemm node, but the ONNX version of the supplied model is 14. Thus the transformation may fail or return incomplete results.
  warnings.warn(
[INFO  ] 15-08-2024 18:23:04 - Running step: step_tidy_up [3/3]
[INFO  ] 15-08-2024 18:23:04 - Completed successfully

finn.log

[INFO  ] 15-08-2024 18:23:04 - main - Applying FINN steps on onnx/model.onnx [in /group/cdc_ir/members/azizb/workspace/sandbox_finn/finn-flow/sandbox-flow/gen_ip.py:41]
[INFO  ] 15-08-2024 18:23:04 - finn.builder.build_dataflow - Building dataflow accelerator from onnx/model.onnx [in /group/cdc_ir/members/azizb/workspace/brainwave/finn/src/finn/builder/build_dataflow.py:95]
[INFO  ] 15-08-2024 18:23:04 - finn.builder.build_dataflow - Running step: step_tidy_up [1/3] [in /group/cdc_ir/members/azizb/workspace/brainwave/finn/src/finn/builder/build_dataflow.py:115]
[INFO  ] 15-08-2024 18:23:04 - finn.builder.build_dataflow - Running step: step_qonnx_to_finn [2/3] [in /group/cdc_ir/members/azizb/workspace/brainwave/finn/src/finn/builder/build_dataflow.py:115]
[INFO  ] 15-08-2024 18:23:04 - finn.builder.build_dataflow - Running step: step_tidy_up [3/3] [in /group/cdc_ir/members/azizb/workspace/brainwave/finn/src/finn/builder/build_dataflow.py:115]
[INFO  ] 15-08-2024 18:23:04 - finn.builder.build_dataflow - Completed successfully [in /group/cdc_ir/members/azizb/workspace/brainwave/finn/src/finn/builder/build_dataflow.py:142]