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[Tune]Add integer loguniform support (#12994)

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* Add integer quantization and loguniform support

* Fix hyperopt qloguniform not being np.log'd first

* Add tests, __init__

* Try to fix tests, better exceptions

* Tweak docstrings

* Type checks in SearchSpaceTest

* Update docs

* Lint, tests

* Update doc/source/tune/api_docs/search_space.rst

Co-authored-by: Kai Fricke <krfricke@users.noreply.github.com>

Co-authored-by: Kai Fricke <krfricke@users.noreply.github.com>
This commit is contained in:
Antoni Baum
2020-12-23 09:27:16 -08:00
committed by GitHub
co-authored by Kai Fricke
parent d37e2c3a20
commit a4f2dd2138
8 changed files with 147 additions and 40 deletions
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doc/source/tune/api_docs/search_space.rst
+9 -1
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@@ -192,10 +192,18 @@ For a high-level overview, see this example:
# Sample a integer uniformly between -9 (inclusive) and 15 (exclusive)
"randint": tune.randint(-9, 15),
# Sample a integer uniformly between 1 (inclusive) and 10 (exclusive),
# while sampling in log space
"lograndint": tune.lograndint(1, 10),
# Sample a random uniformly between -21 (inclusive) and 12 (inclusive (!))
# rounding to increments of 3 (includes 12)
"qrandint": tune.qrandint(-21, 12, 3),
# Sample a integer uniformly between 1 (inclusive) and 10 (inclusive (!)),
# while sampling in log space and rounding to increments of 2
"qlograndint": tune.qlograndint(1, 10, 2),
# Sample an option uniformly from the specified choices
"choice": tune.choice(["a", "b", "c"]),
@@ -266,4 +274,4 @@ Grid Search API
References
----------
See also :ref:`tune-basicvariant`.
See also :ref:`tune-basicvariant`.