Enable runtime optimization

[grzegorz-k-karch]

To do to undraft

• Document runtime optimization
  • How to enable
  • Example results for ffn pruning

What does this PR do?

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[github-actions]

PR Preview Action v1.8.1
🚀 View preview at https://NVIDIA.github.io/Model-Optimizer/pr-preview/pr-1358/
Built to branch gh-pages at 2026-04-28 14:27 UTC. Preview will be ready when the GitHub Pages deployment is complete.

[codecov]

Codecov Report

❌ Patch coverage is 35.83333% with 77 lines in your changes missing coverage. Please review.
✅ Project coverage is 76.68%. Comparing base (9d2e608) to head (53a2caf).
⚠️ Report is 7 commits behind head on main.

Files with missing lines	Patch %	Lines
...opt/torch/nas/subblock_stats/calc_runtime_stats.py	35.64%	65 Missing ⚠️
...h/puzzletron/subblock_stats/calc_subblock_stats.py	18.18%	9 Missing ⚠️
.../subblock_stats/calc_subblock_params_and_memory.py	57.14%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1358      +/-   ##
==========================================
- Coverage   76.97%   76.68%   -0.29%     
==========================================
  Files         471      474       +3     
  Lines       50510    50882     +372     
==========================================
+ Hits        38881    39020     +139     
- Misses      11629    11862     +233     

Flag	Coverage Δ
unit	52.79% <35.83%> (-0.06%)	⬇️

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