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I would like to introduce a new feature to Hyperactive to chain together multiple optimization algorithms. This will be called an Optimization Strategy in the future.
While working on this issue I encountered a problem with the progress-bar when running multiple optimization algorithms within hyperactive. Currently the progress-bar is fully controlled by gradient-free-optimizers. So the problem was that (for the example above) one progress-bar would run for 10 iterations and then another one would run again for 10 iterations. This is not how I want this to work. The progress-bar should how the entire search-progress.
The fix for this problem was very complicated, because hyperactive had no access to the iteration-loop but just called .search(...) of the gfo-optimizer. I had to create something like an underlying gfo-api in this commit, by creating init-, step-, and finish stages of the search. This enables hyperactive to loop over the step-method and use this loop to update its own progress-bar. It works perfectly so far and I am very happy with the result.
I would like to introduce a new feature to Hyperactive to chain together multiple optimization algorithms. This will be called an Optimization Strategy in the future.
The API for this feature could look like this:
The
duration
will be the fraction ofn_iter
passed toadd_search(...)
. Each optimizer will automatically pass the memory to the next one.This feature-idea is in an early stage and might change in the future.
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