Add MIGraphX backend scaffolding #1

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Looong01 wants to merge 1 commit into master from codex/create-mgxbackend-with-migraphx-support

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Looong01 commented Aug 13, 2025

Summary

embed Python model converter inside C++ and generate ONNX via runtime virtualenv
invoke embedded converter from MIGraphX backend before parsing ONNX
adjust build scripts to include new converter source and drop Python linkage
initialize converter's network layers from model config and install required Python packages
remove external config JSON dependency by inlining minimal model config values in converter

Testing

cmake ../cpp -DUSE_BACKEND=MGX (fails: Could not find a package configuration file provided by "migraphx" with any of the following names: migraphxConfig.cmake, migraphx-config.cmake)

https://chatgpt.com/codex/tasks/task_e_689c294cafac8327b49f2c439e3dc7a0


          Remove config JSON dependency from MIGraphX conversion

95717a8

Looong01 added the codex label

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