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Add filter_arm_params_to_search_space to clone_with()#4915

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hvarfner wants to merge 1 commit intofacebook:mainfrom
hvarfner:export-D93499390
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Add filter_arm_params_to_search_space to clone_with()#4915
hvarfner wants to merge 1 commit intofacebook:mainfrom
hvarfner:export-D93499390

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Summary: Adds an option to clone_with() that filters arm parameters to only include those in the new search space. This enables cloning experiments with reduced search spaces while keeping existing arm data compatible, which is needed for heterogeneous transfer learning.

Differential Revision: D93499390

@meta-cla meta-cla bot added the CLA Signed Do not delete this pull request or issue due to inactivity. label Feb 18, 2026
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meta-codesync bot commented Feb 18, 2026

@hvarfner has exported this pull request. If you are a Meta employee, you can view the originating Diff in D93499390.

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codecov-commenter commented Feb 18, 2026

Codecov Report

❌ Patch coverage is 94.11765% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 96.80%. Comparing base (4b89d30) to head (a8c4851).

Files with missing lines Patch % Lines
ax/core/experiment.py 88.88% 2 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##             main    #4915      +/-   ##
==========================================
- Coverage   96.80%   96.80%   -0.01%     
==========================================
  Files         595      595              
  Lines       63122    63154      +32     
==========================================
+ Hits        61108    61136      +28     
- Misses       2014     2018       +4     

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Summary:

Adds an option to `clone_with()` that filters arm parameters to only include those in the new search space. This enables cloning experiments with reduced search spaces while keeping existing arm data compatible, which is needed for heterogeneous transfer learning.

Differential Revision: D93499390
hvarfner pushed a commit to hvarfner/Ax that referenced this pull request Feb 18, 2026
Summary:

Adds an option to `clone_with()` that filters arm parameters to only include those in the new search space. This enables cloning experiments with reduced search spaces while keeping existing arm data compatible, which is needed for heterogeneous transfer learning.

Differential Revision: D93499390
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