Update to_dot and the optimization from DiagTree to Graph

[houpc]

No description provided.

[codecov-commenter]

Codecov Report

Attention: 278 lines in your changes are missing coverage. Please review.

Comparison is base (3317708) 62.36% compared to head (1624693) 57.95%.
Report is 4 commits behind head on computgraph.

Files	Patch %	Lines
src/computational_graph/transform.jl	0.00%	66 Missing ⚠️
src/parquet_builder/sigmaGV.jl	0.00%	59 Missing ⚠️
src/frontend/GV.jl	0.00%	57 Missing ⚠️
src/computational_graph/optimize.jl	43.85%	32 Missing ⚠️
src/computational_graph/tree_properties.jl	0.00%	22 Missing ⚠️
src/backend/to_dot.jl	0.00%	18 Missing ⚠️
src/utility.jl	0.00%	15 Missing ⚠️
src/frontend/diagtree.jl	0.00%	9 Missing ⚠️

❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@               Coverage Diff               @@
##           computgraph     #169      +/-   ##
===============================================
- Coverage        62.36%   57.95%   -4.41%     
===============================================
  Files               66       67       +1     
  Lines             4995     5294     +299     
===============================================
- Hits              3115     3068      -47     
- Misses            1880     2226     +346     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.