Add column log size print

[alon-f]

No description provided.

[reviewable-StarkWare]

This change is 

[alon-f]

• Add column log size print #1303 👈 (View in Graphite)
• dev

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.96%. Comparing base (0b81286) to head (5fb4ef5).

Additional details and impacted files

@@           Coverage Diff           @@
##              dev    #1303   +/-   ##
=======================================
  Coverage   92.95%   92.96%           
=======================================
  Files         115      115           
  Lines       14342    14355   +13     
  Branches    14342    14355   +13     
=======================================
+ Hits        13332    13345   +13     
  Misses        918      918           
  Partials       92       92           

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[gilbens-starkware]

@gilbens-starkware reviewed 1 file and all commit messages, and made 1 comment.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @alon-f).

---

crates/stwo/src/prover/pcs/mod.rs line 336 at r1 (raw file):

    for (log_size, count) in log_size_histogram {
        info!("Log size {log_size}: {count}");
    }

Maybe add a title, "Column size histogram:" or something.

Suggestion:

    let mut log_size_histogram = HashMap::new();
    for column in columns {
        *log_size_histogram
            .entry(column.domain.log_size())
            .or_insert(0) += 1;
    }
    for (log_size, count) in log_size_histogram {
        info!("Log size {log_size}: {count}");
    }