Speed up popularity scoring and top-N ranking #973

Job	Run time
Conda Python py311 on ubuntu-latest	6m 9s
Conda Python py311 on macos-latest	3m 49s
Demos, examples, and docs	2m 27s
Conda Python py311 on windows-latest	10m 58s
Conda Python py312 on ubuntu-latest	6m 49s
Conda Python py312 on macos-latest	3m 48s
Evaluation-based tests	1m 39s
Conda Python py312 on windows-latest	11m 11s
Conda Python py313 on ubuntu-latest	6m 23s
FunkSVD tests on Python py311	41s
Conda Python py313 on macos-latest	4m 19s
Minimal dependency tests for FunkSVD	38s
FunkSVD tests on Python py312	44s
HPF bridge tests on Python py311	59s
Implicit bridge tests on Python py311	39s
HPF bridge tests on Python py312	1m 1s
Minimal dependency tests	6m 13s
Implicit bridge tests on Python py312	42s
Minimal dependency tests for Implicit	46s
Non-JIT test coverage	4m 45s
Minimal dependency tests for Scikit-Learn	26s
Scikit-Learn tests on Python py311	30s
Scikit-Learn tests on Python py312	28s
Vanilla Python 3.11 on ubuntu-latest	5m 55s
Scikit-Learn tests on Python py313	33s
Vanilla Python 3.11 on macos-latest	3m 13s
Vanilla Python 3.12 on ubuntu-latest	7m 22s
Vanilla Python 3.12 on macos-latest	3m 28s
Vanilla Python 3.13 on ubuntu-latest	7m 17s
Test suite results	19s
	1h 44m 11s

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