Fallback to CPU in small size.

[alonh5]

This change is 

[alonh5]

• Fallback to CPU in small size. #824 👈
• dev

This stack of pull requests is managed by Graphite. Learn more about stacking.

Join @alonh5 and the rest of your teammates on Graphite

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 8.69565% with 21 lines in your changes missing coverage. Please review.

Project coverage is 92.60%. Comparing base (1ee6a70) to head (503e901).

Files with missing lines	Patch %	Lines
crates/prover/src/core/backend/simd/quotients.rs	8.69%	21 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #824      +/-   ##
==========================================
- Coverage   92.76%   92.60%   -0.17%     
==========================================
  Files          89       89              
  Lines       12041    12064      +23     
  Branches    12041    12064      +23     
==========================================
+ Hits        11170    11172       +2     
- Misses        764      785      +21     
  Partials      107      107              

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

[andrewmilson]

Reviewable status: 0 of 1 files reviewed, all discussions resolved (waiting on @shaharsamocha7)