MLeap for local model scoring

[tovbinm]

Related issues
Aardpfark is no longer supported.

Describe the proposed solution
Switching to MLeap runtime instead.

Describe alternatives you've considered
N/A

[tovbinm]

@alexandrnikitin ^

[codecov]

Codecov Report

Merging #249 into master will decrease coverage by 58.01%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master    #249       +/-   ##
==========================================
- Coverage   86.41%   28.4%   -58.02%     
==========================================
  Files         312     312               
  Lines       10187    8316     -1871     
  Branches      336     420       +84     
==========================================
- Hits         8803    2362     -6441     
- Misses       1384    5954     +4570

Impacted Files	Coverage Δ
...com/salesforce/op/local/OpWorkflowModelLocal.scala	0% <0%> (-81.58%)	⬇️
...sforce/op/stages/base/binary/BinaryEstimator.scala	0% <0%> (-100%)	⬇️
...la/com/salesforce/op/aggregators/Geolocation.scala	0% <0%> (-100%)	⬇️
...ala/com/salesforce/op/testkit/InfiniteStream.scala	0% <0%> (-100%)	⬇️
...la/com/salesforce/op/utils/io/avro/AvroInOut.scala	0% <0%> (-100%)	⬇️
.../salesforce/op/aggregators/FeatureAggregator.scala	0% <0%> (-100%)	⬇️
...ce/op/stages/impl/feature/TextLenTransformer.scala	0% <0%> (-100%)	⬇️
...cala/com/salesforce/op/features/types/OPList.scala	0% <0%> (-100%)	⬇️
...n/scala/com/salesforce/op/readers/CSVReaders.scala	0% <0%> (-100%)	⬇️
...stages/base/sequence/BinarySequenceEstimator.scala	0% <0%> (-100%)	⬇️
... and 221 more

---

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[codecov]

Codecov Report

Merging #249 into master will increase coverage by 0.08%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #249      +/-   ##
==========================================
+ Coverage   86.41%   86.49%   +0.08%     
==========================================
  Files         312      312              
  Lines       10187    10184       -3     
  Branches      336      336              
==========================================
+ Hits         8803     8809       +6     
+ Misses       1384     1375       -9

Impacted Files	Coverage Δ
...com/salesforce/op/local/OpWorkflowModelLocal.scala	100% <100%> (+18.42%)	⬆️
...es/src/main/scala/com/salesforce/op/OpParams.scala	89.79% <0%> (+4.08%)	⬆️

---

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[gerashegalov]

interesting that there is 3x throughput difference

[tovbinm]

I had to warm up the JVM. Updated the numbers.

[tovbinm]

It's slightly faster.

[leahmcguire]

MLeap?