Convolution backwards v4r1

[pfultz2]

Motivation

Technical Details

Rewrite convolution_backwards to match the v4r1 algorithm used in miopen.

Changelog Category

Add a CHANGELOG.md entry for any option other than Not Applicable

• • Added: New functionality.
• • Changed: Changes to existing functionality.
• • Removed: Functionality or support that has been removed. (Compared to a previous release)
• • Optimized: Component performance that has been optimized or improved.
• • Resolved Issues: Known issues from a previous version that have been resolved.
• • Not Applicable: This PR is not to be included in the changelog.

[codecov]

Codecov Report

❌ Patch coverage is 79.21348% with 37 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
src/rewrite_convolution.cpp	79.10%	37 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #4928      +/-   ##
===========================================
- Coverage    92.66%   92.58%   -0.08%     
===========================================
  Files          588      590       +2     
  Lines        30397    30575     +178     
===========================================
+ Hits         28165    28306     +141     
- Misses        2232     2269      +37     

Files with missing lines	Coverage Δ
src/include/migraphx/rewrite_convolution.hpp	100.00% <100.00%> (ø)
src/rewrite_convolution.cpp	79.10% <79.10%> (ø)

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