Sm/cuda redop opt

[seemamirch]

Support fast transpose layouts + reductions in the cuda backend.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 27.23%. Comparing base (d6b109f) to head (ee75f9b).
⚠️ Report is 4 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #330      +/-   ##
==========================================
+ Coverage   26.62%   27.23%   +0.61%     
==========================================
  Files         188      190       +2     
  Lines       39015    39530     +515     
  Branches    14183    14459     +276     
==========================================
+ Hits        10388    10767     +379     
- Misses      27252    27731     +479     
+ Partials     1375     1032     -343     

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