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Ran 15 Sep 2017 06:53PM UTC

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Committed 15 Sep 2017 06:46PM UTC coverage: 85.072%. Remained the same

Job # BUILD=stack ARGS="" TESTARGS="--coverage --haddock"

Build Type

push

travis-ci

Committed by

jbearer

Commit Message

Optimize Unifier composition.

Composing Unifiers everytime we complete a new subproof is expensive,
in terms of both time and memory. To mitigate this cost, we implement
to optimizations:

1. Composition is lazy. Unifiers are never explicitly composed, only
unioned. Whenever a unifier is _applied_, we apply it recursively to
the result until there are no more unifications to be made. This
achieves the same transitivity that composing the unifiers does.

2. VarMap union is made more efficient by implementing it in terms of
Data.Map.union.

These optimizations yielded a speed up of 30-100x.

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1060 of 1246 relevant lines covered (85.07%)

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jbearer / hspl / 113 / 4
85%
master: 84%

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Source Files on job 113.4 (BUILD=stack ARGS="" TESTARGS="--coverage --haddock")

jbearer / hspl / 113 / 4 85% master: 84%

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Source Files on job 113.4 (BUILD=stack ARGS="" TESTARGS="--coverage --haddock")

jbearer / hspl / 113 / 4
85%
master: 84%

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