quantization

• Deprecate the usage of old quantsim implementation
• Update bias correction implementation to use new quantsim api

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From a complexity perspective, this ticket is at an easy level.

FINN has a Vivado version requirements, e.g. 2019.1 in the 0.2b release. The available Vivado version should be checked before any Vivado-related commands are launched, and an assertion should be raised if there is a version mismatch.

We also need to benchmark the Lottery-tickets Pruning algorithm and the Quantization algorithms. The models used for this would be the student networks discussed in #105 (ResNet18, MobileNet v2, Quantization v2).

Pruning (benchmark upto 40, 50 and 60 % pruned weights)

• Lottery Tickets

Quantization

• Static
• QAT

Blueoil inference doesn't work with python2 any longer.
We need to update the pip packages for inference but enum34 package would be the block for some recent packages.
Now the CI has pip uninstall enum34 in the pipeline for the test backward compatibility, but this is no longer required for future.

Related to
blue-oil/blueoil#1139