Simplify task value remapping API #4860
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Summary: X-link: facebook/Ax#4860 Simplifies the get_task_value_remapping() API from 4 parameters to 2, addressing confusion reported in meta-pytorch#3085. The observed_task_values parameter is removed because the parent diff (D90769576) now makes MultiTaskGP track observed/unobserved tasks internally via _observed_task_indices and _unobserved_task_indices. The default_task_value parameter is removed because the previous behavior—silently mapping unknown tasks to an arbitrary fallback—was confusing and error-prone; instead, unrecognized tasks now map to NaN, providing an explicit error sentinel with a clear warning message. Differential Revision: D90998243
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Summary: X-link: facebook/Ax#4860 Simplifies the get_task_value_remapping() API from 4 parameters to 2, addressing confusion reported in meta-pytorch#3085. The observed_task_values parameter is removed because the parent diff (D90769576) now makes MultiTaskGP track observed/unobserved tasks internally via _observed_task_indices and _unobserved_task_indices. The default_task_value parameter is removed because the previous behavior—silently mapping unknown tasks to an arbitrary fallback—was confusing and error-prone; instead, unrecognized tasks now map to NaN, providing an explicit error sentinel with a clear warning message. Differential Revision: D90998243
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Summary: X-link: meta-pytorch/botorch#3163 X-link: meta-pytorch/botorch#3146 Simplifies the get_task_value_remapping() API from 4 parameters to 2, addressing confusion reported in facebook#3085. The observed_task_values parameter is removed because the parent diff (D90769576) now makes MultiTaskGP track observed/unobserved tasks internally via _observed_task_indices and _unobserved_task_indices. The default_task_value parameter is removed because the previous behavior—silently mapping unknown tasks to an arbitrary fallback—was confusing and error-prone; instead, unrecognized tasks now map to NaN, providing an explicit error sentinel with a clear warning message. Differential Revision: D90998243
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Feb 9, 2026
Summary: X-link: facebook/Ax#4860 Simplifies the get_task_value_remapping() API from 4 parameters to 2, addressing confusion reported in meta-pytorch#3085. The observed_task_values parameter is removed because the parent diff (D90769576) now makes MultiTaskGP track observed/unobserved tasks internally via _observed_task_indices and _unobserved_task_indices. The default_task_value parameter is removed because the previous behavior—silently mapping unknown tasks to an arbitrary fallback—was confusing and error-prone; instead, unrecognized tasks now map to NaN, providing an explicit error sentinel with a clear warning message. Differential Revision: D90998243
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Summary: Pull Request resolved: meta-pytorch#3163 X-link: facebook/Ax#4860 Pull Request resolved: meta-pytorch#3146 Simplifies the get_task_value_remapping() API from 4 parameters to 2, addressing confusion reported in meta-pytorch#3085. The observed_task_values parameter is removed because the parent diff (D90769576) now makes MultiTaskGP track observed/unobserved tasks internally via _observed_task_indices and _unobserved_task_indices. The default_task_value parameter is removed because the previous behavior—silently mapping unknown tasks to an arbitrary fallback—was confusing and error-prone; instead, unrecognized tasks now map to NaN, providing an explicit error sentinel with a clear warning message. Differential Revision: D90998243
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Summary: X-link: meta-pytorch/botorch#3163 Pull Request resolved: facebook#4860 X-link: meta-pytorch/botorch#3146 Simplifies the get_task_value_remapping() API from 4 parameters to 2, addressing confusion reported in facebook#3085. The observed_task_values parameter is removed because the parent diff (D90769576) now makes MultiTaskGP track observed/unobserved tasks internally via _observed_task_indices and _unobserved_task_indices. The default_task_value parameter is removed because the previous behavior—silently mapping unknown tasks to an arbitrary fallback—was confusing and error-prone; instead, unrecognized tasks now map to NaN, providing an explicit error sentinel with a clear warning message. Differential Revision: D90998243
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Summary: Pull Request resolved: meta-pytorch#3163 X-link: facebook/Ax#4860 Pull Request resolved: meta-pytorch#3146 Simplifies the get_task_value_remapping() API from 4 parameters to 2, addressing confusion reported in meta-pytorch#3085. The observed_task_values parameter is removed because the parent diff (D90769576) now makes MultiTaskGP track observed/unobserved tasks internally via _observed_task_indices and _unobserved_task_indices. The default_task_value parameter is removed because the previous behavior—silently mapping unknown tasks to an arbitrary fallback—was confusing and error-prone; instead, unrecognized tasks now map to NaN, providing an explicit error sentinel with a clear warning message. Differential Revision: D90998243
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #4860 +/- ##
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Coverage 96.76% 96.76%
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Files 591 591
Lines 61895 61888 -7
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- Hits 59890 59885 -5
+ Misses 2005 2003 -2 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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hvarfner
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Feb 9, 2026
Summary: X-link: facebook/Ax#4860 Simplifies the get_task_value_remapping() API from 4 parameters to 2, addressing confusion reported in meta-pytorch#3085. The observed_task_values parameter is removed because the parent diff (D90769576) now makes MultiTaskGP track observed/unobserved tasks internally via _observed_task_indices and _unobserved_task_indices. The default_task_value parameter is removed because the previous behavior—silently mapping unknown tasks to an arbitrary fallback—was confusing and error-prone; instead, unrecognized tasks now map to NaN, providing an explicit error sentinel with a clear warning message. Differential Revision: D90998243
Summary: X-link: meta-pytorch/botorch#3163 X-link: meta-pytorch/botorch#3146 Simplifies the get_task_value_remapping() API from 4 parameters to 2, addressing confusion reported in facebook#3085. The observed_task_values parameter is removed because the parent diff (D90769576) now makes MultiTaskGP track observed/unobserved tasks internally via _observed_task_indices and _unobserved_task_indices. The default_task_value parameter is removed because the previous behavior—silently mapping unknown tasks to an arbitrary fallback—was confusing and error-prone; instead, unrecognized tasks now map to NaN, providing an explicit error sentinel with a clear warning message. Differential Revision: D90998243
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Summary:
X-link: meta-pytorch/botorch#3146
Simplifies the get_task_value_remapping() API from 4 parameters to 2, addressing confusion reported in #3085.
The observed_task_values parameter is removed because the parent diff (D90769576) now makes MultiTaskGP track observed/unobserved tasks internally via _observed_task_indices and _unobserved_task_indices. The default_task_value parameter is removed because the previous behavior—silently mapping unknown tasks to an arbitrary fallback—was confusing and error-prone; instead, unrecognized tasks now map to NaN, providing an explicit error sentinel with a clear warning message.
Differential Revision: D90998243